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Engineering services Businesses in Pennsylvania (SIC Code: 8711)

Search Engineering services businesses in Pennsylvania below and click on on a business name to see details.
7group LLC Kutztown, Pennsylvania (Berks County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-683-0890
Fax: 610-683-0890
A & A Consultants, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-323-2200
Fax: 412-323-2200
A & O Engineering Inc Hickory, Pennsylvania (Washington County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-356-4010
Fax: 724-356-4010
A + E Group Inc Wilkes Barre, Pennsylvania (Luzerne County)
Engineering services (SIC Code:871199)
Phone: 570-822-8500
Fax: 570-822-8500
A Design Products Inc Peckville, Pennsylvania (Lackawanna County)
Engineering Services (SIC Code:871100)
Phone: 570-489-9442
Fax: 570-489-9442
A Scott Chesnick Fairfield, Pennsylvania (Adams County)
Engineering Services (SIC Code:871100)
Phone: 717-642-8888
Fax: 717-642-8888
A Valey Engineers Inc Wallingford, Pennsylvania (Delaware County)
Engineering Services (SIC Code:871100)
Phone: 610-876-3192
Fax: 610-876-3192
A W G M Inc Ebensburg, Pennsylvania (Cambria County)
Engineering services (SIC Code:871199)
Phone: 814-472-7980
Fax: 814-472-7980
Aaim Controls Inc Waynesboro, Pennsylvania (Franklin County)
Engineering Services (SIC Code:871100)
Phone: 717-765-9100
Fax: 717-765-9100
Abatech, Inc. Blooming Glen, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-258-3640
Fax: 215-258-3640
Abec, Inc. Bethlehem, Pennsylvania (Northampton County)
Food Products Machinery (SIC Code:355600)
Phone: 610-861-4666
Fax: 610-861-4666
Ablaze Development Corporation Villanova, Pennsylvania (Delaware County)
Engineering services (SIC Code:871199)
Phone: 610-525-5352
Fax: 610-525-5352
Aca Engineering Inc Pittsburgh, Pennsylvania (Allegheny County)
Construction and civil engineering (SIC Code:871104)
Phone: 412-761-1990
Fax: 412-761-1990
Ackenheil Engineers Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-531-7111
Fax: 412-531-7111
Ackermat Inc Murrysville, Pennsylvania (Westmoreland County)
Engineering Services (SIC Code:871100)
Phone: 724-327-1064
Fax: 724-327-1064
Acorn Engineering Inc York, Pennsylvania (York County)
Engineering services (SIC Code:871199)
Phone: 717-854-9343
Fax: 717-854-9343
Adaptive Resources Incorporated Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-431-4662
Fax: 412-431-4662
Adaptive Resources, Inc. Carnegie, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-489-3030
Fax: 412-489-3030
Advanced Crane Technologies, LLC Reading, Pennsylvania (Berks County)
Heavy construction equipment rental (SIC Code:735399)
Phone: 610-582-7203
Fax: 610-582-7203
Advanced Design and Control Corporation Franconia, Pennsylvania (Montgomery County)
Relays and industrial controls (SIC Code:362599)
Phone: 215-723-7200
Fax: 215-723-7200
Advanced Electronic Assembly Boyertown, Pennsylvania (Berks County)
Engineering services (SIC Code:871199)
Phone: 610-473-2085
Fax: 610-473-2085
Advanced Engineering Service Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-367-7990
Fax: 412-367-7990
Advanced Engineering, Inc Media, Pennsylvania (Delaware County)
Engineering services (SIC Code:871199)
Phone: 610-361-0700
Fax: 610-361-0700
Advanced Geoservices Corp. West Chester, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-840-9100
Fax: 610-840-9100
Advanced Integration Group, Inc. Mc Kees Rocks, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-722-0065
Fax: 412-722-0065
Advanced Systems Concepts Inc Holicong, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 267-580-0292
Fax: 267-580-0292
Advantage Engineering Services Camp Hill, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-975-5559
Fax: 717-975-5559
Advantus Engineers, LLC Carnegie, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-400-0820
Fax: 412-400-0820
Aea Technology, Inc Pittsburgh, Pennsylvania (Allegheny County)
Holding companies (SIC Code:671999)
Phone: 412-586-1810
Fax: 412-586-1810
Aecom Technology Corporation Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-735-0832
Fax: 215-735-0832
Aerospace Consulting Buckingham, Pennsylvania (Bucks County)
Commercial Economic, Sociological, And Educational Research (SIC Code:873200)
Phone: 215-345-7184
Fax: 215-345-7184
Aguirre Design Network Inc York, Pennsylvania (York County)
Engineering Services (SIC Code:871100)
Phone: 717-779-0950
Fax: 717-779-0950
Airfoils Inc Port Matilda, Pennsylvania (Centre County)
Engineering services (SIC Code:871199)
Phone: 814-357-0500
Fax: 814-357-0500
Aker Solutions US Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone:
Fax:
Akf Engineers LLP Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-735-7290
Fax: 215-735-7290
Akustica, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-390-1730
Fax: 412-390-1730
Alexander Associates Inc Falls Creek, Pennsylvania (Jefferson County)
Engineering Services (SIC Code:871100)
Phone: 814-371-5578
Fax: 814-371-5578
Alfred Benesch & Company Allentown, Pennsylvania (Lehigh County)
Engineering services (SIC Code:871199)
Phone: 610-439-7066
Fax: 610-439-7066
Algor, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Prepackaged Software (SIC Code:737200)
Phone: 412-967-2700
Fax: 412-967-2700
Alion Science and Technology Corporation West Conshohocken, Pennsylvania (Montgomery County)
Business Consulting Services, Not Elsewhere Classified (SIC Code:874800)
Phone: 610-825-1960
Fax: 610-825-1960
Alion Science and Technology Corporation Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-473-6100
Fax: 412-473-6100
All County and Associates Inc Oley, Pennsylvania (Berks County)
Land Subdividers And Developers, Except Cemeteries (SIC Code:655200)
Phone: 610-987-9165
Fax: 610-987-9165
Alpha Consulting Engineers Inc New Cumberland, Pennsylvania (Cumberland County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-770-2500
Fax: 717-770-2500
Alpha Scientific Corporation Southeastern, Pennsylvania (Chester County)
Marketing consulting services (SIC Code:874203)
Phone: 610-647-7000
Fax: 610-647-7000
Altek-Mdy, L.L.C. Exton, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 484-713-0070
Fax: 484-713-0070
Amec Biopharmaceuticals, Inc. Plymouth Meeting, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-828-8100
Fax: 610-828-8100
American Bridge Company Coraopolis, Pennsylvania (Allegheny County)
Structural Steel Erection (SIC Code:179100)
Phone: 412-631-1000
Fax: 412-631-1000
American Geotech, Inc. Reading, Pennsylvania (Berks County)
Engineering Services (SIC Code:871100)
Phone: 610-670-9055
Fax: 610-670-9055
American Pfeiffer Corporation Newtown Square, Pennsylvania (Delaware County)
Engineering services (SIC Code:871199)
Phone: 610-356-6995
Fax: 610-356-6995
Ammann & Whitney Pennsylvania Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-567-1341
Fax: 215-567-1341
Andersen Engineering Associates Inc Perkasie, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-257-5711
Fax: 215-257-5711
Andrew Kent Reading, Pennsylvania (Berks County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-373-6786
Fax: 610-373-6786
Antakamatics Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-802-6431
Fax: 412-802-6431
APT Technical Services, Inc. Coraopolis, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-264-0565
Fax: 412-264-0565
Aquatech, Inc. Morrisville, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-428-9400
Fax: 215-428-9400
Arcadis U.S., Inc. Newtown, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-497-3146
Fax: 215-497-3146
Arcadis U.S., Inc. Pittsburgh, Pennsylvania (Allegheny County)
Business consulting (SIC Code:874899)
Phone: 412-231-6624
Fax: 412-231-6624
Arcadis U.S., Inc. King of Prussia, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-337-7601
Fax: 610-337-7601
Areva NP Inc Cranberry Township, Pennsylvania (Butler County)
Engineering Services (SIC Code:871100)
Phone: 724-779-9800
Fax: 724-779-9800
Arora Engineers, Inc. Chadds Ford, Pennsylvania (Delaware County)
Engineering services (SIC Code:871199)
Phone: 610-459-7900
Fax: 610-459-7900
Arris Engineering Group, Ltd. Wilkes Barre, Pennsylvania (Luzerne County)
Engineering services (SIC Code:871199)
Phone: 570-825-7760
Fax: 570-825-7760
Arro Consulting, Inc. Royersford, Pennsylvania (Montgomery County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-495-0303
Fax: 610-495-0303
Arro Consulting, Inc. Lancaster, Pennsylvania (Lancaster County)
Engineering services (SIC Code:871199)
Phone: 717-569-7021
Fax: 717-569-7021
Associated Engineering Consultants Wayne, Pennsylvania (Delaware County)
Engineering Services (SIC Code:871100)
Phone: 610-688-3980
Fax: 610-688-3980
At Sciences Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-687-1181
Fax: 412-687-1181
Atc Group Services Inc Plymouth Meeting, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-313-3100
Fax: 610-313-3100
ATI Engineering Services LLC Johnstown, Pennsylvania (Cambria County)
Engineering Services (SIC Code:871100)
Phone: 814-539-4040
Fax: 814-539-4040
Atsi Inc Lawrence, Pennsylvania (Washington County)
Engineering Services (SIC Code:871100)
Phone: 724-742-2730
Fax: 724-742-2730
Aus Inc Camp Hill, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone:
Fax:
Authentix, Inc. Douglassville, Pennsylvania (Berks County)
Engineering Services (SIC Code:871100)
Phone: 610-385-0440
Fax: 610-385-0440
Automatika, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-967-9873
Fax: 412-967-9873
Automation & Validation Solutions Inc Blue Bell, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-542-7917
Fax: 215-542-7917
Automation Applications, LLC Exton, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-524-0500
Fax: 610-524-0500
Avail Technologies, Inc. State College, Pennsylvania (Centre County)
Engineering Services (SIC Code:871100)
Phone: 814-234-3394
Fax: 814-234-3394
Avanceon LP Exton, Pennsylvania (Chester County)
Industrial process measurement equipment (SIC Code:382304)
Phone: 610-458-8700
Fax: 610-458-8700
Aya-Instruments, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Electronic Parts And Equipment, Not Elsewhere Classified (SIC Code:506500)
Phone: 412-622-5500
Fax: 412-622-5500
B & B Designed Systems, Inc. Orbisonia, Pennsylvania (Huntingdon County)
Electrical work (SIC Code:173199)
Phone: 814-259-3991
Fax: 814-259-3991
Bae Systems Land & Armaments, L.P. York, Pennsylvania (York County)
Tanks And Tank Components (SIC Code:379500)
Phone: 717-225-8000
Fax: 717-225-8000
Bae Systems Technology Solutions & Services Inc. Camp Hill, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-737-0444
Fax: 717-737-0444
Baker Michael Jr Inc Beaver, Pennsylvania (Beaver County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-495-7711
Fax: 724-495-7711
Baker Michael Jr Inc Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-221-2000
Fax: 717-221-2000
Baker Michael Jr Inc Horsham, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-444-0888
Fax: 215-444-0888
Bala Consulting Engineers Ardmore, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-649-8475
Fax: 610-649-8475
Bala Consulting Engineers, Inc. King of Prussia, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-649-8000
Fax: 610-649-8000
Bard RAO & Athanas Consulting Engineers Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-988-9606
Fax: 215-988-9606
Barker Steel LLC Allentown, Pennsylvania (Lehigh County)
Engineering Services (SIC Code:871100)
Phone: 610-266-9676
Fax: 610-266-9676
Barry Isett & Associates Inc Norristown, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone:
Fax:
Barry Isett & Associates Inc Trexlertown, Pennsylvania (Lehigh County)
Industrial engineers (SIC Code:871102)
Phone: 610-398-0904
Fax: 610-398-0904
Barryz LLC Morgantown, Pennsylvania (Berks County)
Engineering Services (SIC Code:871100)
Phone: 610-621-2263
Fax: 610-621-2263
Barton Associates, Inc. (pa) York, Pennsylvania (York County)
Engineering services (SIC Code:871199)
Phone: 717-845-7654
Fax: 717-845-7654
Bassett Engineering Montoursville, Pennsylvania (Lycoming County)
Engineering Services (SIC Code:871100)
Phone: 570-368-2131
Fax: 570-368-2131
BE&k Engineering Company Feasterville Trevose, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-633-3506
Fax: 215-633-3506
Beaumont Development, LLC Erie, Pennsylvania (Erie County)
Engineering Services (SIC Code:871100)
Phone: 814-899-6390
Fax: 814-899-6390
Beaumont Technologies, Inc. Erie, Pennsylvania (Erie County)
Engineering Services (SIC Code:871100)
Phone: 814-899-6390
Fax: 814-899-6390
Bechtel Marine Propulsion Corporation West Mifflin, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-476-6000
Fax: 412-476-6000
Bechtel Plant Machinery, Inc Monroeville, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-829-8626
Fax: 412-829-8626
Becker Engineering LLC Lancaster, Pennsylvania (Lancaster County)
Engineering Services (SIC Code:871100)
Phone: 717-295-4975
Fax: 717-295-4975
Benchmark Civil Engineering Services Inc Allentown, Pennsylvania (Lehigh County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-776-6700
Fax: 610-776-6700
Biochem Technology Inc King of Prussia, Pennsylvania (Montgomery County)
Surgical And Medical Instruments And Apparatus (SIC Code:384100)
Phone: 610-768-9360
Fax: 610-768-9360
Biokinetics, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-656-2500
Fax: 215-656-2500
Bl Companies, Inc. Harrisburg, Pennsylvania (Dauphin County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-651-9850
Fax: 717-651-9850
Black & Veatch Corporation Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-928-0700
Fax: 215-928-0700
Black, H Edward & Associates PC Harrisburg, Pennsylvania (Dauphin County)
Landscape services (SIC Code:078102)
Phone: 717-233-1026
Fax: 717-233-1026
Blade Diagnostics Corporation Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-421-3134
Fax: 412-421-3134
Blazosky Associates, Inc. Greensburg, Pennsylvania (Westmoreland County)
Engineering services (SIC Code:871199)
Phone: 724-733-2060
Fax: 724-733-2060
Blazosky Associates, Inc. State College, Pennsylvania (Centre County)
Engineering services (SIC Code:871199)
Phone: 814-238-2060
Fax: 814-238-2060
Bogia Engineering Inc. Reading, Pennsylvania (Berks County)
Engineering Services (SIC Code:871100)
Phone: 610-678-3071
Fax: 610-678-3071
Bohler Engineering Chalfont, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-996-9100
Fax: 215-996-9100
Boles Smyth Associates Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-561-2644
Fax: 215-561-2644
Bomir Inc. Moscow, Pennsylvania (Lackawanna County)
Electronic Parts And Equipment, Not Elsewhere Classified (SIC Code:506500)
Phone: 570-842-4725
Fax: 570-842-4725
Borton-Lawson Engineering, Inc. Wilkes Barre, Pennsylvania (Luzerne County)
Construction and civil engineering (SIC Code:871104)
Phone: 570-821-1999
Fax: 570-821-1999
Boucher & James, Inc. Doylestown, Pennsylvania (Bucks County)
Surveying Services (SIC Code:871300)
Phone:
Fax:
Bradford Engineering Associates Inc Aston, Pennsylvania (Delaware County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-497-6200
Fax: 610-497-6200
Bricmont, Inc. Canonsburg, Pennsylvania (Washington County)
Industrial engineers (SIC Code:871102)
Phone: 724-746-2300
Fax: 724-746-2300
Bridge Semiconductor Corporation Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-242-4437
Fax: 412-242-4437
Bridgestone Associates Ltd Chadds Ford, Pennsylvania (Delaware County)
Engineering Services (SIC Code:871100)
Phone: 610-388-6191
Fax: 610-388-6191
Brill, J Michael & Associates Inc Mechanicsburg, Pennsylvania (Cumberland County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-691-0200
Fax: 717-691-0200
Brinjac Engineering, Inc. Harrisburg, Pennsylvania (Dauphin County)
Engineering Services (SIC Code:871100)
Phone: 717-233-4502
Fax: 717-233-4502
Brinjac Engineering, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-592-9611
Fax: 215-592-9611
Brinjac Engineering, Inc. Allentown, Pennsylvania (Lehigh County)
Engineering Services (SIC Code:871100)
Phone: 610-336-0432
Fax: 610-336-0432
Broadlands Financial Group, LLC Villanova, Pennsylvania (Delaware County)
Management services (SIC Code:874199)
Phone: 610-664-8800
Fax: 610-664-8800
Buchart Horn, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-261-5059
Fax: 412-261-5059
Building Services Consultants Inc Wyncote, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-886-2006
Fax: 215-886-2006
Burlington Electrical Testing Company, Inc. Croydon, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-826-9400
Fax: 215-826-9400
Burns Engineering Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-563-9270
Fax: 215-563-9270
Burris Engineers, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-643-4465
Fax: 215-643-4465
Bursich Associates, Inc. Pottstown, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-323-4040
Fax: 610-323-4040
Business Partners Greensburg Greensburg, Pennsylvania (Westmoreland County)
Engineering services (SIC Code:871199)
Phone: 724-836-2900
Fax: 724-836-2900
C & J Engineering Technical Services Washington Crossing, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-369-7652
Fax: 215-369-7652
C K S Engineers Inc Doylestown, Pennsylvania (Bucks County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-340-0600
Fax: 215-340-0600
C S Davidson, Inc. Gettysburg, Pennsylvania (Adams County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-337-3021
Fax: 717-337-3021
C S Davidson, Inc. Lancaster, Pennsylvania (Lancaster County)
Engineering services (SIC Code:871199)
Phone: 717-481-2991
Fax: 717-481-2991
C S Davidson, Inc. York, Pennsylvania (York County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-846-4805
Fax: 717-846-4805
Caddworks Corporation Camp Hill, Pennsylvania (Cumberland County)
Computer Programming Services (SIC Code:737100)
Phone: 717-731-8680
Fax: 717-731-8680
Cahill Associates Inc West Chester, Pennsylvania (Chester County)
Sanitary engineers (SIC Code:871101)
Phone: 610-696-4150
Fax: 610-696-4150
Cairone & Kaupp Inc Philadelphia, Pennsylvania (Philadelphia County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-291-2800
Fax: 215-291-2800
Caleb Engineering, LLC Red Lion, Pennsylvania (York County)
Management Consulting Services (SIC Code:874200)
Phone: 717-244-5171
Fax: 717-244-5171
Camp Dresser & McKee Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-201-5500
Fax: 412-201-5500
Camp Dresser & McKee Inc. Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-636-0600
Fax: 215-636-0600
Capstone Associates Inc Hummelstown, Pennsylvania (Dauphin County)
Engineering Services (SIC Code:871100)
Phone: 717-220-1143
Fax: 717-220-1143
Carbon Steel Inspection, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-826-3755
Fax: 412-826-3755
Cardinal Resources LLC Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-374-0989
Fax: 412-374-0989
Carleton, Inc Doylestown, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-230-8900
Fax: 215-230-8900
Carlyle Consulting Yardley, Pennsylvania (Bucks County)
Noncommercial research organizations (SIC Code:873399)
Phone: 215-428-4556
Fax: 215-428-4556
Carnegie Robotics LLC Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-973-4312
Fax: 412-973-4312
Carroll Engineering Corporation Warrington, Pennsylvania (Bucks County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-343-5700
Fax: 215-343-5700
Castle Environmental Inc New Castle, Pennsylvania (Lawrence County)
Engineering Services (SIC Code:871100)
Phone: 724-657-8777
Fax: 724-657-8777
Castle Valley Consultants Doylestown, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-348-8257
Fax: 215-348-8257
Catalyx Technologies, LLC Media, Pennsylvania (Delaware County)
Petroleum, mining, and chemical engineers (SIC Code:871103)
Phone: 610-892-9405
Fax: 610-892-9405
CB Engineering Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-364-2180
Fax: 412-364-2180
CDI Corporation Philadelphia, Pennsylvania (Philadelphia County)
Labor resource services (SIC Code:736301)
Phone: 215-569-2200
Fax: 215-569-2200
CDI Engineering Solutions, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-569-2200
Fax: 215-569-2200
Ceco Associates Inc Scranton, Pennsylvania (Lackawanna County)
Construction and civil engineering (SIC Code:871104)
Phone: 570-342-3101
Fax: 570-342-3101
Cedg Inc Mechanicsburg, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-691-8050
Fax: 717-691-8050
Center Point Engineering, Inc. Mechanicsburg, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-795-8575
Fax: 717-795-8575
Century Engineering, Inc. York, Pennsylvania (York County)
Engineering services (SIC Code:871199)
Phone: 717-755-8500
Fax: 717-755-8500
Cernotics, Inc Telford, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 215-723-0225
Fax: 215-723-0225
Ch2m Hill, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Construction and civil engineering (SIC Code:871104)
Phone:
Fax:
Cha, Inc. Scranton, Pennsylvania (Lackawanna County)
Engineering Services (SIC Code:871100)
Phone: 570-341-1313
Fax: 570-341-1313
Char Services LLC Annville, Pennsylvania (Lebanon County)
Engineering Services (SIC Code:871100)
Phone: 717-867-2788
Fax: 717-867-2788
Charles E Shoemaker Inc Abington, Pennsylvania (Montgomery County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-887-2165
Fax: 215-887-2165
Charles E Wilson Hollsopple, Pennsylvania (Somerset County)
Construction and civil engineering (SIC Code:871104)
Phone: 814-479-2134
Fax: 814-479-2134
Chembio Shelter, Inc. Allentown, Pennsylvania (Lehigh County)
Engineering services (SIC Code:871199)
Phone: 610-266-6667
Fax: 610-266-6667
Chester Engineers, Inc. Moon Township, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-809-6600
Fax: 412-809-6600
Chester Engineers, Inc. Coraopolis, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-809-6649
Fax: 412-809-6649
Chester Valley Engineers Inc Paoli, Pennsylvania (Chester County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-644-4623
Fax: 610-644-4623
Chromlab Malvern, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-644-2260
Fax: 610-644-2260
Cintar Incorporated Glenshaw, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-753-1018
Fax: 412-753-1018
Cintar Systems, Inc. Glenshaw, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-471-4150
Fax: 412-471-4150
City Engineers Office of Lockhaven Lock Haven, Pennsylvania (Clinton County)
Engineering Services (SIC Code:871100)
Phone: 570-893-5904
Fax: 570-893-5904
Civil & Environmental Consultants, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-429-2324
Fax: 412-429-2324
Civil Mining Environmental Engineering, Inc. Latrobe, Pennsylvania (Westmoreland County)
Engineering Services (SIC Code:871100)
Phone: 724-532-4800
Fax: 724-532-4800
Claitman Engineering Associates Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-963-6700
Fax: 412-963-6700
Clifton, Weiss & Associates Gwynedd Valley, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 215-753-1474
Fax: 215-753-1474
CM Services Inc Canonsburg, Pennsylvania (Washington County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-916-3070
Fax: 724-916-3070
CMX Inc Kulpsville, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 215-361-6050
Fax: 215-361-6050
Collective Efforts, LLC Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-459-0114
Fax: 412-459-0114
Compliance Technology Group Inc West Chester, Pennsylvania (Chester County)
Engineering services (SIC Code:871199)
Phone: 484-356-0618
Fax: 484-356-0618
Componets Kits LLC Blandon, Pennsylvania (Berks County)
Engineering services (SIC Code:871199)
Phone: 610-916-7720
Fax: 610-916-7720
Compu Desygn Cooperative Corporation Philadelphia, Pennsylvania ( County)
Construction and civil engineering (SIC Code:871104)
Phone:
Fax:
Compunetics, Inc. Monroeville, Pennsylvania (Allegheny County)
Telephones and telephone apparatus (SIC Code:366101)
Phone: 412-373-8110
Fax: 412-373-8110
Concept Engineering Group, Inc Verona, Pennsylvania (Allegheny County)
Industrial engineers (SIC Code:871102)
Phone: 412-826-8800
Fax: 412-826-8800
Concurrent Technologies Corporation Johnstown, Pennsylvania (Cambria County)
Engineering Services (SIC Code:871100)
Phone: 814-269-4888
Fax: 814-269-4888
Concurrent Technologies Corporation Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-261-1797
Fax: 412-261-1797
Concurrent Technologies Corporation Johnstown, Pennsylvania (Cambria County)
Engineering services (SIC Code:871199)
Phone: 814-266-2874
Fax: 814-266-2874
Conformance Technologies Inc Monroeville, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-373-8969
Fax: 412-373-8969
Consolidated Design & Engineering, Inc. Leesport, Pennsylvania (Berks County)
Engineering services (SIC Code:871199)
Phone: 610-916-1600
Fax: 610-916-1600
Construction Methods & Coordination Inc Kimberton, Pennsylvania (Chester County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-983-9200
Fax: 610-983-9200
Contractors Educational Services Inc Wayne, Pennsylvania (Delaware County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-642-9505
Fax: 610-642-9505
Controls Link Inc Sewickley, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-749-1199
Fax: 412-749-1199
Core Furnace Systems Corp. Coraopolis, Pennsylvania (Allegheny County)
Industrial engineers (SIC Code:871102)
Phone: 412-262-2240
Fax: 412-262-2240
Core Technologies, Inc. Carnegie, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-429-6470
Fax: 412-429-6470
Cornerstone Consulting Engineers & Architectural Inc Bethlehem, Pennsylvania (Northampton County)
Surveying Services (SIC Code:871300)
Phone: 610-865-3200
Fax: 610-865-3200
Cornerstone Consulting Engineers & Architectural, Inc Lansdale, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-362-2600
Fax: 215-362-2600
Corpro Inc West Chester, Pennsylvania (Chester County)
Engineering services (SIC Code:871199)
Phone: 610-344-7002
Fax: 610-344-7002
Covex, LLC Wayne, Pennsylvania (Delaware County)
Custom computer programming services (SIC Code:737101)
Phone: 267-960-5100
Fax: 267-960-5100
Cowan Associates, Inc. Quakertown, Pennsylvania (Bucks County)
Surveying Services (SIC Code:871300)
Phone: 215-536-7075
Fax: 215-536-7075
CP Environmental Group, Inc. New Kensington, Pennsylvania (Westmoreland County)
Engineering Services (SIC Code:871100)
Phone: 724-594-1900
Fax: 724-594-1900
Crabtree, Rohrbaugh & Associates, Inc. Mechanicsburg, Pennsylvania (Cumberland County)
Architectural engineering (SIC Code:871201)
Phone: 717-458-0272
Fax: 717-458-0272
Crawford Consulting Services, Inc East Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-823-0400
Fax: 412-823-0400
Creating Impact Ambler, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-657-4468
Fax: 215-657-4468
Creative Engineered Solutions Dallas, Pennsylvania (Luzerne County)
Engineering Services (SIC Code:871100)
Phone: 570-675-7255
Fax: 570-675-7255
Creative Science Solutions Inc Exton, Pennsylvania (Chester County)
Engineering services (SIC Code:871199)
Phone: 610-903-0370
Fax: 610-903-0370
Crest Integrators Corporation Erie, Pennsylvania (Erie County)
Engineering Services (SIC Code:871100)
Phone: 814-450-5594
Fax: 814-450-5594
Csa Group Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-427-8700
Fax: 215-427-8700
Curtiss-Wright Electro-Mechanical Corporation Mount Pleasant, Pennsylvania (Westmoreland County)
Engineering services (SIC Code:871199)
Phone: 724-696-1600
Fax: 724-696-1600
Curtiss-Wright Flow Control Corporation Berwick, Pennsylvania (Columbia County)
Engineering Services (SIC Code:871100)
Phone: 570-759-8120
Fax: 570-759-8120
Custom Pack, Inc. Exton, Pennsylvania (Chester County)
Plastics processing (SIC Code:308906)
Phone: 610-321-2525
Fax: 610-321-2525
Cv Designers Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-364-2180
Fax: 412-364-2180
Cvm Engineers, Inc. Oaks, Pennsylvania (Montgomery County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-989-3800
Fax: 610-989-3800
Czop-Specter, Inc Worcester, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-584-0880
Fax: 610-584-0880
D & D Engineering Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-784-1560
Fax: 412-784-1560
D C Gohn Associates Inc Mount Joy, Pennsylvania (Lancaster County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-653-5308
Fax: 717-653-5308
D F Jacobs Consulting Inc Pittsburgh, Pennsylvania (Allegheny County)
Management Consulting Services (SIC Code:874200)
Phone: 412-571-9350
Fax: 412-571-9350
D Gilmore Robert & Associates Inc New Britain, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-345-4330
Fax: 215-345-4330
D S Winokur Associates Inc Elkins Park, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-750-9900
Fax: 215-750-9900
D'Huy Engineering Inc Bethlehem, Pennsylvania (Northampton County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-865-3000
Fax: 610-865-3000
D.L. Howell & Associates, Inc. West Chester, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-918-9002
Fax: 610-918-9002
Da-Tech Corporation Warminster, Pennsylvania (Bucks County)
Printed Circuit Boards (SIC Code:367200)
Phone: 215-322-9410
Fax: 215-322-9410
Damper Design, Inc. Bethlehem, Pennsylvania (Northampton County)
Engineering services (SIC Code:871199)
Phone: 610-861-0111
Fax: 610-861-0111
Daniel C Baker & Associates Inc Beaver, Pennsylvania (Beaver County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-495-7020
Fax: 724-495-7020
Data Acquisition Services Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-848-1965
Fax: 215-848-1965
David Black Associates Inc Chambersburg, Pennsylvania (Franklin County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-267-0202
Fax: 717-267-0202
David Blackmore & Associates Inc Pottstown, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-495-6255
Fax: 610-495-6255
David L. Sheridan P.C. Carlisle, Pennsylvania (Cumberland County)
Engineering Services (SIC Code:871100)
Phone: 717-497-5768
Fax: 717-497-5768
David Miller Associates Inc Lancaster, Pennsylvania (Lancaster County)
Landscape services (SIC Code:078102)
Phone: 717-898-3402
Fax: 717-898-3402
Dawood Engineering, Inc. Enola, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-732-8576
Fax: 717-732-8576
Day & Zimmermann International, Incorporated Philadelphia, Pennsylvania (Philadelphia County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-299-8000
Fax: 215-299-8000
Day & Zimmermann, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Facilities Support Management Services (SIC Code:874400)
Phone: 215-299-8000
Fax: 215-299-8000
De Muro Associates Inc Allentown, Pennsylvania (Lehigh County)
Engineering Services (SIC Code:871100)
Phone: 610-481-9433
Fax: 610-481-9433
Defined Source Cooperative, Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-487-7800
Fax: 215-487-7800
Definitive Design Corp. Langhorne, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-741-6805
Fax: 215-741-6805
Delphinus Engineering Corp. Eddystone, Pennsylvania (Delaware County)
Engineering Services (SIC Code:871100)
Phone: 610-874-9160
Fax: 610-874-9160
Delserro Engineering Solutions Inc Easton, Pennsylvania (Northampton County)
Industrial engineers (SIC Code:871102)
Phone: 610-253-6637
Fax: 610-253-6637
Demco Enterprises Inc Quakertown, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-538-9700
Fax: 215-538-9700
Dennis E Black Engineering Chambersburg, Pennsylvania (Franklin County)
Engineering Services (SIC Code:871100)
Phone: 717-263-8794
Fax: 717-263-8794
Derck and Edson Associates L.L.P. Lititz, Pennsylvania (Lancaster County)
Landscape services (SIC Code:078102)
Phone: 717-626-2054
Fax: 717-626-2054
Design Engineering Analysis Corporation Canonsburg, Pennsylvania (Washington County)
Engineering services (SIC Code:871199)
Phone: 724-743-3322
Fax: 724-743-3322
Designtek, Inc. Middletown, Pennsylvania (Dauphin County)
Engineering Services (SIC Code:871100)
Phone: 717-939-7730
Fax: 717-939-7730
Dewberry-Goodkind, Inc. Carlisle, Pennsylvania (Cumberland County)
Engineering Services (SIC Code:871100)
Phone: 717-240-0344
Fax: 717-240-0344
Diamond Technical Services, Inc. Indiana, Pennsylvania (Indiana County)
Engineering services (SIC Code:871199)
Phone: 724-463-7991
Fax: 724-463-7991
Diehm & Sons Inc Lititz, Pennsylvania (Lancaster County)
Surveying Services (SIC Code:871300)
Phone: 717-626-0175
Fax: 717-626-0175
Digenova Associates Inc Plymouth Meeting, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-270-9511
Fax: 610-270-9511
Digital Designs Inc Croydon, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-781-2525
Fax: 215-781-2525
Digital Devices, Inc. Perkasie, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-258-3593
Fax: 215-258-3593
Digital Indigo, L.L.C. Lancaster, Pennsylvania (Lancaster County)
Engineering Services (SIC Code:871100)
Phone: 717-872-6233
Fax: 717-872-6233
Digital Systems Group, Inc Warminster, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-443-5178
Fax: 215-443-5178
Dimitri J Ververelli Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-496-0000
Fax: 215-496-0000
Dme Alliance, Inc. Allentown, Pennsylvania (Lehigh County)
Engineering Services (SIC Code:871100)
Phone: 610-366-1744
Fax: 610-366-1744
Dobil Laboratories, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-782-3399
Fax: 412-782-3399
Dodson Engineering Inc Pittsburgh, Pennsylvania (Allegheny County)
Industrial engineers (SIC Code:871102)
Phone: 412-261-6515
Fax: 412-261-6515
Don Weiner Assoc Southampton, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-364-0911
Fax: 215-364-0911
Dumack, Ralph C Pe & Associates Penns Park, Pennsylvania (Bucks County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-945-4700
Fax: 215-945-4700
Dyna East Corporation King of Prussia, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-270-9900
Fax: 610-270-9900
Dynamic Design Engineering, Inc. Moon Township, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-262-1220
Fax: 412-262-1220
Dynetics Inc Erie, Pennsylvania (Erie County)
Industrial engineers (SIC Code:871102)
Phone: 814-459-0592
Fax: 814-459-0592
E & C Amec Services Inc Plymouth Meeting, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-828-8100
Fax: 610-828-8100
E & M Engineering Inc Huntingdon Valley, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-947-4562
Fax: 215-947-4562
E Brooks Bruce & Associates Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-569-0400
Fax: 215-569-0400
E D M Consultants Inc Lansdale, Pennsylvania (Montgomery County)
Sanitary engineers (SIC Code:871101)
Phone: 215-393-0670
Fax: 215-393-0670
E L A Group, Inc Lititz, Pennsylvania (Lancaster County)
Landscape services (SIC Code:078102)
Phone: 717-626-7271
Fax: 717-626-7271
E R E S Harrisburg Camp Hill, Pennsylvania ( County)
Engineering services (SIC Code:871199)
Phone:
Fax:
Eads Architects, Inc. Irwin, Pennsylvania (Westmoreland County)
Engineering services (SIC Code:871199)
Phone: 412-754-0801
Fax: 412-754-0801
Earth Engineering Inc Norristown, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-277-0880
Fax: 610-277-0880
Earthtech, Inc. Johnstown, Pennsylvania (Cambria County)
Engineering services (SIC Code:871199)
Phone: 814-266-6402
Fax: 814-266-6402
East Coast Control Systems Inc Bigler, Pennsylvania (Clearfield County)
Relays and industrial controls (SIC Code:362599)
Phone: 814-857-5420
Fax: 814-857-5420
Eastern Engineering Associates Inc Easton, Pennsylvania (Northampton County)
Engineering services (SIC Code:871199)
Phone: 610-252-0040
Fax: 610-252-0040
Echo Industrial, Inc. Carlisle, Pennsylvania (Cumberland County)
Engineering Services (SIC Code:871100)
Phone: 717-249-6319
Fax: 717-249-6319
Eckles Architecture & Engineering, Inc. New Castle, Pennsylvania (Lawrence County)
Architectural Services (SIC Code:871200)
Phone: 724-652-5507
Fax: 724-652-5507
Ecs - Mid-Atlantic, LLC York, Pennsylvania (York County)
Engineering services (SIC Code:871199)
Phone: 717-767-4788
Fax: 717-767-4788
Edge Product Development Corp Newtown, Pennsylvania (Bucks County)
Design services (SIC Code:738918)
Phone: 215-579-5700
Fax: 215-579-5700
Eichleay Engineers, Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-363-9000
Fax: 412-363-9000
Ekc Engineering Coraopolis, Pennsylvania (Allegheny County)
Construction and civil engineering (SIC Code:871104)
Phone: 412-859-0233
Fax: 412-859-0233
Elcon Technologies, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-822-8250
Fax: 412-822-8250
Electric Research and Management Inc Cabot, Pennsylvania (Butler County)
Engineering services (SIC Code:871199)
Phone: 724-360-2723
Fax: 724-360-2723
Electronic Prototype Development, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Electronic circuits (SIC Code:367901)
Phone: 412-767-4111
Fax: 412-767-4111
Ema, Inc. Trevose, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-942-7510
Fax: 215-942-7510
Emv Innovative Material Technologies LLC Bethlehem, Pennsylvania (Northampton County)
Engineering Services (SIC Code:871100)
Phone: 610-419-4952
Fax: 610-419-4952
Encotech, Inc. Eighty Four, Pennsylvania (Washington County)
Engineering services (SIC Code:871199)
Phone: 724-222-3334
Fax: 724-222-3334
Ener-Tech Associates, Inc. Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-657-9017
Fax: 717-657-9017
Eneractive LLC Pottstown, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-579-9000
Fax: 610-579-9000
Enerdyne Inc Yardley, Pennsylvania (Bucks County)
Engineering services (SIC Code:871199)
Phone: 215-321-9400
Fax: 215-321-9400
Energy Performance Services Inc Fort Washington, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 215-390-2060
Fax: 215-390-2060
Engineering Dynamics Inc Bethel Park, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-571-5301
Fax: 412-571-5301
Entech Engineering Inc Mountain Top, Pennsylvania (Luzerne County)
Engineering Services (SIC Code:871100)
Phone: 570-868-0275
Fax: 570-868-0275
Entech Engineering, Inc. Reading, Pennsylvania (Berks County)
Engineering Services (SIC Code:871100)
Phone: 610-373-6667
Fax: 610-373-6667
Enviroace Allentown, Pennsylvania (Lehigh County)
Engineering Services (SIC Code:871100)
Phone: 610-437-0701
Fax: 610-437-0701
Erdman Anthony Associates, Inc Mechanicsburg, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-766-1741
Fax: 717-766-1741
Erie Technical Systems Erie, Pennsylvania (Erie County)
Engineering services (SIC Code:871199)
Phone: 814-825-4958
Fax: 814-825-4958
Erm-NA Holdings Corp. Exton, Pennsylvania (Chester County)
Engineering services (SIC Code:871199)
Phone: 610-524-3500
Fax: 610-524-3500
ESP Partners, Inc. Fleetwood, Pennsylvania ( County)
Engineering services (SIC Code:871199)
Phone:
Fax:
Esw America Montgomeryville, Pennsylvania ( County)
Sanitary engineers (SIC Code:871101)
Phone:
Fax:
Eugene J Aufiero & Assoc Inc New Cumberland, Pennsylvania (Cumberland County)
Engineering Services (SIC Code:871100)
Phone: 717-774-9412
Fax: 717-774-9412
Evans Engineering Inc Harrisburg, Pennsylvania (Dauphin County)
Engineering Services (SIC Code:871100)
Phone: 717-541-1580
Fax: 717-541-1580
Ewingcole Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 215-923-2020
Fax: 215-923-2020
Exponent, Inc. Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone:
Fax:
F X Browne Inc Lansdale, Pennsylvania (Montgomery County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-362-3878
Fax: 215-362-3878
F&F Consultants, Inc. Tarentum, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 724-224-4593
Fax: 724-224-4593
Falcon Engineering Consultants, LLC Cranberry Township, Pennsylvania (Butler County)
Engineering Services (SIC Code:871100)
Phone: 724-316-2143
Fax: 724-316-2143
Fayette Engineering Company Inc Uniontown, Pennsylvania (Fayette County)
Engineering services (SIC Code:871199)
Phone: 724-438-5573
Fax: 724-438-5573
Fbs, Inc. State College, Pennsylvania (Centre County)
Engineering Services (SIC Code:871100)
Phone: 814-234-3437
Fax: 814-234-3437
FEC Technologies, Inc. Manchester, Pennsylvania (York County)
Engineering services (SIC Code:871199)
Phone: 717-764-5959
Fax: 717-764-5959
Fiber Architects Ambler, Pennsylvania (Montgomery County)
Architectural Services (SIC Code:871200)
Phone: 215-654-0296
Fax: 215-654-0296
Fineline Circuits, Inc. Feasterville Trevose, Pennsylvania (Bucks County)
Printed Circuit Boards (SIC Code:367200)
Phone: 215-364-3311
Fax: 215-364-3311
Firsching, Marstiller, Rusbarsky and Wolf Engineering, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-271-5090
Fax: 412-271-5090
First Capital Engineering Inc York, Pennsylvania (York County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-845-3227
Fax: 717-845-3227
Fischbach Morgan & Associates LLC Mechanicsburg, Pennsylvania (Cumberland County)
Engineering Services (SIC Code:871100)
Phone: 717-790-9604
Fax: 717-790-9604
Five Star Associates, Inc Bangor, Pennsylvania (Northampton County)
Electronic training devices (SIC Code:369903)
Phone: 610-588-7426
Fax: 610-588-7426
Fleming Gannett Inc Harrisburg, Pennsylvania (Dauphin County)
Engineering Services (SIC Code:871100)
Phone: 860-646-5291
Fax: 860-646-5291
Fleming Gannett Inc Chambersburg, Pennsylvania (Franklin County)
Engineering Services (SIC Code:871100)
Phone: 717-709-1616
Fax: 717-709-1616
Fleming Gannett Inc Lancaster, Pennsylvania (Lancaster County)
Engineering Services (SIC Code:871100)
Phone: 717-537-4115
Fax: 717-537-4115
Fleming Gannett Inc State College, Pennsylvania (Centre County)
Engineering Services (SIC Code:871100)
Phone: 814-234-8625
Fax: 814-234-8625
Fleming Gannett Inc Clearfield, Pennsylvania (Clearfield County)
Engineering Services (SIC Code:871100)
Phone: 814-765-4320
Fax: 814-765-4320
Fleming Gannett Inc Harrisburg, Pennsylvania (Dauphin County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-763-7211
Fax: 717-763-7211
Fleming Gannett Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-922-5575
Fax: 412-922-5575
Fleming Gannett Inc Mercer, Pennsylvania (Mercer County)
Sanitary engineers (SIC Code:871101)
Phone: 724-662-2402
Fax: 724-662-2402
Fleming Gannett Inc Phoenixville, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-917-9100
Fax: 610-917-9100
Fleming Gannett Inc Philadelphia, Pennsylvania (Philadelphia County)
Engineering Services (SIC Code:871100)
Phone: 717-763-7211
Fax: 717-763-7211
Fleming Gannett Inc Valley Forge, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 610-650-8101
Fax: 610-650-8101
Fleming Gannett Inc Harrisburg, Pennsylvania (Dauphin County)
Engineering Services (SIC Code:871100)
Phone: 717-763-7211
Fax: 717-763-7211
Fonda Engineering Associates King of Prussia, Pennsylvania ( County)
Industrial engineers (SIC Code:871102)
Phone:
Fax:
Forecast Technology Group Inc Beaver Falls, Pennsylvania (Beaver County)
Engineering Services (SIC Code:871100)
Phone: 724-847-9921
Fax: 724-847-9921
Foreman Architects-Engineers, Inc. Zelienople, Pennsylvania (Butler County)
Engineering Services (SIC Code:871100)
Phone: 724-452-9690
Fax: 724-452-9690
Forensic Consultants and Engineers, Inc. Homestead, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-476-8201
Fax: 412-476-8201
Foresys, Inc. Wexford, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 724-799-8479
Fax: 724-799-8479
Fossman Corp. Pittsburgh, Pennsylvania (Allegheny County)
Communication equipment (SIC Code:506502)
Phone: 412-344-9000
Fax: 412-344-9000
Frazier-Simplex, Inc. Washington, Pennsylvania (Washington County)
Engineering services (SIC Code:871199)
Phone: 724-225-1100
Fax: 724-225-1100
Fuehrer Associates, Ltd. Ephrata, Pennsylvania (Lancaster County)
Engineering services (SIC Code:871199)
Phone: 717-733-9658
Fax: 717-733-9658
Fx Bonnes Associates Inc Glen Mills, Pennsylvania (Delaware County)
Engineering services (SIC Code:871199)
Phone: 610-558-3464
Fax: 610-558-3464
G T A Engineering Consultants Plymouth, Pennsylvania (Luzerne County)
Industrial engineers (SIC Code:871102)
Phone: 570-779-7843
Fax: 570-779-7843
G-A-I Consultants, Inc. Berwyn, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-640-7456
Fax: 610-640-7456
G-A-I Consultants, Inc. Homestead, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-476-2000
Fax: 412-476-2000
Galletta Engineering Corp Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-261-3357
Fax: 412-261-3357
Ganflec Architects & Engineers Inc Harrisburg, Pennsylvania (Dauphin County)
Architectural Services (SIC Code:871200)
Phone: 717-763-7220
Fax: 717-763-7220
Gannett Fleming Engineers and Architects, P.C. Camp Hill, Pennsylvania (Cumberland County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-763-7212
Fax: 717-763-7212
Gannett Fleming of Michigan Inc Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-763-7211
Fax: 717-763-7211
Gateway Enterprises, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-921-4030
Fax: 412-921-4030
Gatter & Diehl Inc Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-657-9700
Fax: 717-657-9700
General Electric Company Bethlehem, Pennsylvania (Northampton County)
Engineering services (SIC Code:871199)
Phone: 610-758-7500
Fax: 610-758-7500
General Electric Company Hatfield, Pennsylvania (Montgomery County)
Computer Programming Services (SIC Code:737100)
Phone: 215-996-9200
Fax: 215-996-9200
Genesis Engineers, Inc. Plymouth Meeting, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-592-0280
Fax: 610-592-0280
Geo - Solutions, Inc. New Kensington, Pennsylvania (Westmoreland County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-335-7273
Fax: 724-335-7273
Geo-Technical Services, Inc. Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-236-3006
Fax: 717-236-3006
Geoservices, Ltd. Camp Hill, Pennsylvania (Cumberland County)
Engineering Services (SIC Code:871100)
Phone: 717-303-2660
Fax: 717-303-2660
Geospatial Holdings, Inc. Sarver, Pennsylvania (Butler County)
Engineering Services (SIC Code:871100)
Phone: 724-353-3400
Fax: 724-353-3400
Geostructures Inc King of Prussia, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-265-1818
Fax: 610-265-1818
Geosystems Consultants Inc Fort Washington, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 215-654-9600
Fax: 215-654-9600
Geosystems LP Team Venetia, Pennsylvania (Washington County)
Engineering services (SIC Code:871199)
Phone: 724-942-0570
Fax: 724-942-0570
Gesco, Inc Beaver Falls, Pennsylvania (Beaver County)
Business services (SIC Code:738999)
Phone: 724-846-8700
Fax: 724-846-8700
Gibson-Thomas Engineering Co, Inc Latrobe, Pennsylvania (Westmoreland County)
Engineering services (SIC Code:871199)
Phone: 724-539-8562
Fax: 724-539-8562
Giovanetti Shulman Associates Broomall, Pennsylvania (Delaware County)
Industrial engineers (SIC Code:871102)
Phone: 610-328-7700
Fax: 610-328-7700
Glace Associates Inc Camp Hill, Pennsylvania (Cumberland County)
Engineering services (SIC Code:871199)
Phone: 717-731-1579
Fax: 717-731-1579
Global Systems Technologies, Inc. Morrisville, Pennsylvania (Bucks County)
Engineering Services (SIC Code:871100)
Phone: 215-579-8200
Fax: 215-579-8200
Global Technology Group Inc Clarks Summit, Pennsylvania (Lackawanna County)
Engineering services (SIC Code:871199)
Phone: 570-587-0702
Fax: 570-587-0702
Gnostech, Inc Warminster, Pennsylvania (Bucks County)
Computer software development and applications (SIC Code:737103)
Phone: 215-443-8660
Fax: 215-443-8660
Good Schools Pe Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-332-2700
Fax: 215-332-2700
Gordon L. Brown & Associates, Inc. York, Pennsylvania (York County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-741-4621
Fax: 717-741-4621
Graybill's Tool & Die Inc Manheim, Pennsylvania (Lancaster County)
Engineering services (SIC Code:871199)
Phone: 717-665-5546
Fax: 717-665-5546
Great Valley Consultants Inc Reading, Pennsylvania (Berks County)
Engineering services (SIC Code:871199)
Phone: 610-375-8822
Fax: 610-375-8822
Greeley and Hansen LLC Philadelphia, Pennsylvania (Philadelphia County)
Sanitary engineers (SIC Code:871101)
Phone: 215-563-3460
Fax: 215-563-3460
Green Energy Capital Partners, LLC Conshohocken, Pennsylvania (Montgomery County)
Engineering services (SIC Code:871199)
Phone: 484-351-8020
Fax: 484-351-8020
Greenhorne & O'Mara, Inc. Mechanicsburg, Pennsylvania (Cumberland County)
Construction and civil engineering (SIC Code:871104)
Phone: 717-691-3355
Fax: 717-691-3355
Greenman-Pedersen Inc Scranton, Pennsylvania (Lackawanna County)
Industrial engineers (SIC Code:871102)
Phone: 570-342-9800
Fax: 570-342-9800
Greenman-Pedersen, Inc. Moosic, Pennsylvania (Lackawanna County)
Engineering Services (SIC Code:871100)
Phone: 570-342-3700
Fax: 570-342-3700
Ground Technology, Inc Monroeville, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-856-9440
Fax: 412-856-9440
Groundwater Sciences Corp Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-652-6832
Fax: 717-652-6832
Gtech Inc Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-823-7110
Fax: 412-823-7110
H Wilden & Associates Inc Allentown, Pennsylvania (Lehigh County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-871-3935
Fax: 610-871-3935
H. F. Lenz Co. Johnstown, Pennsylvania (Cambria County)
Engineering services (SIC Code:871199)
Phone: 814-269-9300
Fax: 814-269-9300
Haas Building Solutions Inc. State College, Pennsylvania (Centre County)
Architectural engineering (SIC Code:871201)
Phone: 814-238-1551
Fax: 814-238-1551
Habitat For Humanity of Lakwa Scranton, Pennsylvania (Lackawanna County)
Construction and civil engineering (SIC Code:871104)
Phone: 570-342-7911
Fax: 570-342-7911
Haines Mechanical, LLC Landisville, Pennsylvania ( County)
Engineering Services (SIC Code:871100)
Phone:
Fax:
Haks Engineers P C Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-496-9322
Fax: 215-496-9322
Hamilton Clark Bellefonte, Pennsylvania (Centre County)
Engineering Services (SIC Code:871100)
Phone: 814-355-3335
Fax: 814-355-3335
Hamon Research Cottrell Duquesne, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-469-0114
Fax: 412-469-0114
Hanes Erie, Inc. Fairview, Pennsylvania (Erie County)
Plastics processing (SIC Code:308906)
Phone: 814-474-1999
Fax: 814-474-1999
Hanover Engineering Associates Inc Bethlehem, Pennsylvania (Northampton County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-691-5644
Fax: 610-691-5644
Hanover Engineering Associates, Inc Allentown, Pennsylvania (Lehigh County)
Construction and civil engineering (SIC Code:871104)
Phone: 610-395-9222
Fax: 610-395-9222
Harbor Engineering, Inc. Manheim, Pennsylvania (Lancaster County)
Engineering services (SIC Code:871199)
Phone: 717-665-9000
Fax: 717-665-9000
Harman Group, Inc. King of Prussia, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-337-3360
Fax: 610-337-3360
Hatch Associates Consultants, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-281-8888
Fax: 412-281-8888
Hazen and Sawyer PC Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-592-0600
Fax: 215-592-0600
HDR Engineering, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-497-6000
Fax: 412-497-6000
HDR Engineering, Inc. King of Prussia, Pennsylvania (Montgomery County)
Engineering Services (SIC Code:871100)
Phone: 610-768-7737
Fax: 610-768-7737
Hebco, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering Services (SIC Code:871100)
Phone: 412-271-3760
Fax: 412-271-3760
Helbling and Associates Inc Wexford, Pennsylvania (Allegheny County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-935-7500
Fax: 724-935-7500
Henien & Associates Inc Newtown Square, Pennsylvania (Delaware County)
Engineering Services (SIC Code:871100)
Phone: 610-359-0430
Fax: 610-359-0430
Herbert H Metz Inc Lansdale, Pennsylvania (Montgomery County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-855-3111
Fax: 215-855-3111
Herbert, Rowland & Grubic, Inc. Gettysburg, Pennsylvania (Adams County)
Engineering services (SIC Code:871199)
Phone: 717-337-9684
Fax: 717-337-9684
Herbert, Rowland & Grubic, Inc. State College, Pennsylvania (Centre County)
Engineering services (SIC Code:871199)
Phone: 814-238-7117
Fax: 814-238-7117
Herbert, Rowland & Grubic, Inc. Lancaster, Pennsylvania (Lancaster County)
Engineering services (SIC Code:871199)
Phone: 717-291-1783
Fax: 717-291-1783
Herbert, Rowland & Grubic, Inc. Harrisburg, Pennsylvania (Dauphin County)
Engineering services (SIC Code:871199)
Phone: 717-564-1121
Fax: 717-564-1121
Herbert, Rowland & Grubic, Inc. Cranberry Township, Pennsylvania (Butler County)
Construction and civil engineering (SIC Code:871104)
Phone: 724-779-4777
Fax: 724-779-4777
Heritage Technical Services Inc West Chester, Pennsylvania (Chester County)
Engineering Services (SIC Code:871100)
Phone: 610-701-5650
Fax: 610-701-5650
Herman Faiola Lebanon, Pennsylvania (Lebanon County)
Inspection and testing services (SIC Code:738902)
Phone: 717-272-2679
Fax: 717-272-2679
Hhsdr Inc. Sharon, Pennsylvania (Mercer County)
Architectural engineering (SIC Code:871201)
Phone: 724-981-8820
Fax: 724-981-8820
Hill Engineering Inc North East, Pennsylvania (Erie County)
Engineering services (SIC Code:871199)
Phone: 814-725-8659
Fax: 814-725-8659
Hntb Corporation Philadelphia, Pennsylvania (Philadelphia County)
Engineering services (SIC Code:871199)
Phone: 215-568-6500
Fax: 215-568-6500
Horizon Engineering Associates, LLC Quakertown, Pennsylvania (Bucks County)
Construction and civil engineering (SIC Code:871104)
Phone: 215-529-5300
Fax: 215-529-5300
Hornfeck Engineering, Inc. Pittsburgh, Pennsylvania (Allegheny County)
Engineering services (SIC Code:871199)
Phone: 412-781-1500
Fax: 412-781-1500

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