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US MidAtlantic : Pennsylvania - Selective Company List

 Contact :   TEL   847-304-4655

Bruce Donnelly   bruce@gdi-solutions.com    (Biography)

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Companies in other MidAtlantic states are on separate pages  (New Jersey, Maryland, Virginia, Delaware, Washington DC, West Virginia, North Carolina)
Headquarters or major subunits located in the state, including foreign-owned subunits.
Company HQ/Sub Website Location
Pennsylvania      <bottom>   maps of PA, NJ, MD, DC, VA, NC, WV Area Representative City State Postal
Allegheny Ludlum Corp. Public subunit http://www.alleghenyludlum.com   Brackenridge PA 15014-1597
Universal Stainless & Alloy Products, Inc. Public http://www.univstainless.com   Bridgeville PA 15017-2705
Tollgrade Communications, Inc. Public http://www.tollgrade.com   Cheswick PA 15024-1010
Millennia Group (The) Private http://www.the-millennia-group.com   Cheswick PA 15024-1330
Tube City, Inc. Private http://www.tubecity.com   Glassport PA 15045-1397
Medrad, Inc. US subsidiary http://www.medrad.com Germany Indianola PA 15051-9759
Black Box Corporation Public http://www.blackbox.com   Lawrence PA 15055-1018
Hussey Copper, Ltd Private http://www.husseycopper.com   Leetsdale PA 15056-1000
Nova Chemicals Corp. US subsidiary http://www.novachem.com Canada Monaca PA 15061-2212
Tuscarora Inc. US subsidiary http://www.tuscarora.com Sweden New Brighton PA 15066-1922
Industrial Scientific Corp. Private http://www.indsci.com   Oakdale PA 15071-1500
Marconi Communications US subsidiary http://www.marconi.com UK - England Warrendale PA 15086
Microbac Laboratories, Inc. Private http://www.microbac.com   Wexford PA 15090
Union Electric Steel Corp. Public subunit http://www.uniones.com   Carnegie PA 15106-1137
USFilter Engineering & Construction US subsidiary http://www.usfilter.com France Moon Township PA 15108
TechRx, Inc. Private http://www.techrx.com   Coraopolis PA 15108
Baker Environmental, Inc. Public subunit http://www.mbakercorp.com   Coraopolis PA 15108
Michael Baker Jr., Inc. / Transportation Division Public subunit http://www.mbakercorp.com   Coraopolis PA 15108-2750
Precise Technology, Inc. Private http://www.precisetech.com   North Versailles PA 15137-2553
Adonix Transcomm, Inc. US subsidiary http://www.adonix.com France Sewickley PA 15143
Cold Metal Products, Inc. Public http://www.coldmetal.com   Sewickley PA 15143
Transtar, Inc. Public subunit http://www.tstarinc.com   Monroeville PA 15146
GAI Consultants, Inc. Private http://www.gaiconsultants.com   Monroeville PA 15146-1334
Compunetics, Inc. Private http://www.compunetics.com   Monroeville PA 15146-1430
IT Group, Inc. (The) Public http://www.theitgroup.com   Monroeville PA 15146-2743
Compunetix, Inc. / Communications Systems Division Private Subunit http://www.compunetix.com   Monroeville PA 15146-4236
Wabtec Corp. Public http://www.wabtec.com   Wilmerding PA 15148-1036
WRS Motion Picture and Video Laboratory Private http://www.wrslabs.com   Pittsburgh PA 15205
Calgon Carbon Corp. Public http://www.calgoncarbon.com   Pittsburgh PA 15205-1131
Rapidigm, Inc. Private http://www.rapidigm.com   Pittsburgh PA 15205-1312
Bayer Corp. / Industrial Chemicals Division US subsidiary http://www.bayerus.com/industrial/ Germany Pittsburgh PA 15205-9707
Bayer Corp. US subsidiary http://www.bayerus.com Germany Pittsburgh PA 15205-9741
Eichleay Engineers & Constructors Inc. Private Subunit http://www.eichleay.com   Pittsburgh PA 15206-4407
Management Science Associates, Inc. Private http://www.msa.com   Pittsburgh PA 15206-4490
Matthews International Corp. Public http://www.matw.com   Pittsburgh PA 15212-5838
Filmet, Inc. Private http://www.filmet.com   Pittsburgh PA 15218-2500
DQE, Inc. Public http://www.dqe.com   Pittsburgh PA 15219
Koppers Industries, Inc. Private http://www.koppers.com   Pittsburgh PA 15219-1800
INDSPEC Chemical Corp. Public subunit http://www.indspec-chem.com   Pittsburgh PA 15219-1923
Dietrich Metal Framing, Inc. Public subunit http://www.dietrichmetalframing.com   Pittsburgh PA 15219-2502
United States Steel Corp. Public http://www.uss.com   Pittsburgh PA 15219-2702
Union Switch & Signal Inc. US subsidiary http://www.switch.com Italy Pittsburgh PA 15219-3104
Cable Design Technologies, Inc. Public http://www.cdtc.com   Pittsburgh PA 15220
Computer Enterprises, Inc. Private http://www.ceiamerica.com   Pittsburgh PA 15220-1203
iGATE Capital Corp. Public http://www.igatecapital.com   Pittsburgh PA 15220-2700
PEP Modular Computers, Inc. US subsidiary http://www.pep.com Germany Pittsburgh PA 15220-2783
Respironics, Inc. Public http://www.respironics.com   Pittsburgh PA 15221-4401
General Nutrition Companies, Inc. US subsidiary http://www.gnc.com Netherlands Pittsburgh PA 15222
Mylan Laboratories, Inc. Public http://www.mylan.com   Pittsburgh PA 15222
Reunion Industries, Inc. Public http://www.reunionindustries.com   Pittsburgh PA 15222
Copperweld Corp. Public subunit http://www.ltv-copperweld.com   Pittsburgh PA 15222-1211
Carbide Graphite Group, Inc. (The) Public http://www.cggi.com   Pittsburgh PA 15222-1435
FreeMarkets, Inc. Public http://www.freemarkets.com   Pittsburgh PA 15222-2602
printCafe Systems, Inc. Private http://www.printcafe.com   Pittsburgh PA 15222-4600
Stargate, Inc. Private http://www.stargate.net   Pittsburgh PA 15222-4656
Logica Carnegie Group US subsidiary http://www.cgi.com UK - England Pittsburgh PA 15222-5405
Allegheny Technologies Inc. Public http://www.alleghenytechnologies.com   Pittsburgh PA 15222-5479
Matthews International Corp. / Bronze Division Public subunit http://www.matthewsbronze.com   Pittsburgh PA 15226-1040
Elkem Metals Co. L.P. US subsidiary http://www.elkem.com Norway Pittsburgh PA 15230-0266
Westinghouse Electric Co. US subsidiary http://www.esbu.westinghouse.com UK - England Pittsburgh PA 15230-0355
Mine Safety Appliances Co., Inc. Public http://www.msanet.com   Pittsburgh PA 15230-0427
Mine Safety Appliances Co., Inc. / Instrument Divi Public subunit http://www.msanet.com   Pittsburgh PA 15230-0427
Michael Baker Corp. Public http://www.mbakercorp.com   Pittsburgh PA 15231-0259
PDG Environmental, Inc. Public http://www.pdge.com   Pittsburgh PA 15235-5068
Spang & Co. Private http://www.spang.com   Pittsburgh PA 15238
Chromalox, Inc. Private Subunit http://www.chromaloxheating.com   Pittsburgh PA 15238
Lake Region Medical, Inc. Private Subunit http://www.lakergn.com   Pittsburgh PA 15238-2836
Aerotech, Inc. Private http://www.aerotech.com   Pittsburgh PA 15238-2897
Westinghouse Process Control, Inc. Public subunit http://www.westinghousepc.com   Pittsburgh PA 15238-2986
GENCO Distribution System Private http://www.genco.com   Pittsburgh PA 15238-3274
Pittsburgh Corning Corp. Public subunit http://www.pittsburghcorning.com   Pittsburgh PA 15239-2799
CONSOL Energy, Inc. US subsidiary http://www.consolenergy.com Germany Pittsburgh PA 15241
Mellon Financial Corp. Public http://www.mellon.com   Pittsburgh PA 15258-0001
PPG Industries, Inc. Public http://www.ppg.com   Pittsburgh PA 15272-0001
PPG Industries, Inc. / Chemicals Group Public subunit http://www.ppg.com   Pittsburgh PA 15272-0001
PPG Industries, Inc. / Coatings Group Public subunit http://www.ppg.com   Pittsburgh PA 15272-0001
PPG Industries, Inc. / Fiber Glass Division Public subunit http://www.ppg.com   Pittsburgh PA 15272-0001
Matthews International Corp. / Graphic Systems Div Public subunit http://www.matw.com   Pittsburgh PA 15275-1002
Resco Products, Inc. Private http://www.rescoproducts.com   Pittsburgh PA 15276
Spartech Polycom, Inc. Public subunit http://www.spartech.com   Washington PA 15301-4524
Dynamet Inc. Public subunit http://www.dynamet.com   Washington PA 15301-6197
Hankison International Private Subunit http://www.hankisonintl.com   Canonsburg PA 15317-1700
ANSYS, Inc. Public http://www.ansys.com   Canonsburg PA 15317-9565
Invensys Metering Systems US subsidiary http://www.sensus.com UK - England Uniontown PA 15401-2494
Oglevee, Ltd Private http://www.oglevee.com   Connellsville PA 15425-3851
Sunrise Medical, Inc. / Respiratory Products Divis Public subunit http://www.sunrisemedical.com   Somerset PA 15501-2125
AMI Doduco, Inc. Public subunit http://www.amidoduco.com   Export PA 15632-8908
Elliott Co., Inc. Private http://www.elliott-turbo.com   Jeannette PA 15644-1473
Kennametal Inc. / Mining and Construction Division Public subunit http://www.kennametal.com   Latrobe PA 15650
Kennametal Inc. Public http://www.kennametal.com   Latrobe PA 15650-0231
Timken Latrobe Steel Public subunit http://www.timkenlatrobe.com   Latrobe PA 15650-3294
Breeze Industrial Products Public subunit http://www.breezeclamps.com   Saltsburg PA 15681
Powerex, Inc. Public subunit http://www.pwrx.com   Youngwood PA 15697-1800
FMC Corp. / Food Systems & Handling Division Public subunit http://www.fmcsyntron.com   Homer City PA 15748-1361
Morgan AM&T / Pure Carbon Division US subsidiary http://www.mamat.com UK - England Saint Marys PA 15857-1422
Keystone Powdered Metal Co. Private http://www.keystonepm.com   Saint Marys PA 15857-1661
St. Marys Carbon Co. Private http://www.stmaryscarbon.com   Saint Marys PA 15857-1696
Johnstown America Corp. Private http://www.johnstownamerica.com   Johnstown PA 15901-1531
DRS Laurel Technologies Public subunit http://www.drs.com   Johnstown PA 15904-1134
Concurrent Technologies Corp. Private http://www.ctc.com   Johnstown PA 15904-1935
L. Robert Kimball & Associates, Inc. Private http://www.lrkimball.com   Ebensburg PA 15931-1048
Magnetics, Inc. Private Subunit http://www.mag-inc.com   Butler PA 16003
Genesis Worldwide II, Inc. Private http://www.gen-world.com   Callery PA 16024
Penn United Technology, Inc. Private http://www.pennunited.com   Saxonburg PA 16056
II-VI Inc. Public http://www.ii-vi.com   Saxonburg PA 16056-9499
Allegheny Plastics, Inc. Private http://www.allegheny.com   Cranberry Township PA 16066-1304
GA Industries, Inc. Private http://www.gaindustries.com   Cranberry Township PA 16066-3696
CATTRON Group, Inc. Private http://www.cattron-theimeg.com   Sharpsville PA 16150-1126
Oberg Industries Private http://www.oberg.com   Freeport PA 16229-0315
Miller-Dalloz Fall Protection US subsidiary http://www.cdalloz.com France Franklin PA 16323-1941
National Forge Co. Private http://www.nationalforge.com   Irvine PA 16329
PHB, Inc. Private http://www.phbcorp.com   Fairview PA 16415-1899
Spectrum Control, Inc. Public http://www.spectrumcontrol.com   Fairview PA 16415-2829
Port Erie Plastics, Inc. Private http://www.porterie.com   Harborcreek PA 16421-1098
Greenleaf Corp. Private http://www.greenleafcorporation.com   Saegertown PA 16433
Snap-tite, Inc. / Solenoid Valve Division Private Subunit http://www.snap-tite.com   Erie PA 16505-1023
Snap-tite, Inc. Private http://www.snap-tite.com   Erie PA 16506-2302
Plastek Group Private http://www.plastekgroup.com   Erie PA 16506-2920
Eriez Magnetics Private http://www.eriez.com   Erie PA 16514-0608
GE Transportation Systems Public subunit http://www.getransportation.com   Erie PA 16531-0001
New PIG Corp. Private http://www.newpig.com   Tipton PA 16684
Zippo Manufacturing Company Private http://www.zippo.com   Bradford PA 16701
Kane Magnetics International, Inc. Private http://www.kanemagnetics.com   Kane PA 16735-1068
RUTGERS Organics Corp. US subsidiary http://www.ruetgers-organics-corp.com Germany State College PA 16801-7488
C-COR.net Corp. Public http://www.c-cor.net   State College PA 16801-7530
ACCU WEATHER, Inc. Private http://www.accuweather.com   State College PA 16803-2215
Supelco, Inc. Public subunit http://www.sigma-aldrich.com   Bellefonte PA 16823
Adelphia Communications Corp. Public http://www.adelphia.com   Coudersport PA 16915
Adelphia Business Solutions, Inc. Public http://www.adelphia-abs.com   Coudersport PA 16915-1768
TVC Communications Private Subunit http://www.tvcinc.com   Annville PA 17003
Freedom Forge Corp. Private http://www.freedomforge.com   Burnham PA 17009-1644
Standard Steel Private Subunit http://www.standardsteel.com   Burnham PA 17009-1698
Harsco Corp. Public http://www.harsco.com   Camp Hill PA 17011-2599
Carlisle SynTec Inc. Public subunit http://www.carlisle-syntec.com   Carlisle PA 17013
Advantica Stoner US subsidiary http://www.stoner.com UK - England Carlisle PA 17013-0086
CTS Reeves Public subunit http://www.ctscorp.com   Carlisle PA 17013-2248
AGFA NDT, Inc. US subsidiary http://www.agfandt.com Belgium Lewistown PA 17044-9344
EUR Systems Private http://www.eursystems.com   Mechanicsburg PA 17055
Select Medical Corp. Public http://www.selectmedicalcorp.com   Mechanicsburg PA 17055
Fry Communications Private http://www.frycomm.com   Mechanicsburg PA 17055-3198
Harsco Corp. / Gas and Fluid Control Group Public subunit http://www.taylorwharton.com   Mechanicsburg PA 17055-4379
Corning Frequency Control, Inc. Public subunit http://www.ofc.com   Mount Holly Springs PA 17065-1821
Tyco Electronics Public subunit http://www.tycoelectronics.com   Harrisburg PA 17105
Gannett Fleming, Inc. Private http://www.gannettfleming.com   Harrisburg PA 17106-7100
D&H Distributing Co., Inc. Private http://www.dandh.com   Harrisburg PA 17110
Dayton Parts, Inc. Public subunit http://www.daytonparts.com   Harrisburg PA 17110-2908
Synertech Private Subunit http://www.synertechsystems.com   Harrisburg PA 17110-9423
Phoenix Contact Inc. US subsidiary http://www.phoenixcon.com Germany Harrisburg PA 17111-0100
GS Electric Public subunit http://www.gselectric.com   Chambersburg PA 17201
TB Wood's, Inc. Public http://www.tbwoods.com   Chambersburg PA 17201-1763
JLG Industries, Inc. Public http://www.jlg.com   Mc Connellsburg PA 17233-9533
Grove Worldwide Private http://www.groveworldwide.com   Shady Grove PA 17256-0021
Landis Gardner Public subunit http://www.landisgardner.com   Waynesboro PA 17268-2050
Gichner Shelter Systems Private http://www.gichner.com   Dallastown PA 17313-0481
FCI Berg Electronics Corp. US subsidiary http://www.fciconnect.com France Etters PA 17319-9351
Adhesives Research, Inc. Private http://www.adhesivesresearch.com   Glen Rock PA 17327-0100
Topflight Corp. Private http://www.topflight.com   Glen Rock PA 17327-8625
Stewart Connector Systems, Inc. Public subunit http://www.stewartconnector.com   Glen Rock PA 17327-9199
CCX, Inc. / Hanover Wire Cloth Division Private Subunit http://www.hanoverwire.com   Hanover PA 17331-2027
General Dynamics OTS (Pennsylvania), Inc. Public subunit www.generaldynamics.com   Red Lion PA 17356-1426
Graham Packaging Company Private http://www.grahampackaging.com   York PA 17402
Svedala Industries, Inc. / Grinding Division US subsidiary http://www.svedala.com Finland York PA 17403-1410
Dentsply International Inc. Public http://www.dentsply.com   York PA 17404-3880
Dentsply International Inc. / Trubyte Division Public subunit http://trubyte.dentsply.com/   York PA 17404-3880
York International Corp. Public http://www.york.com   York PA 17405
FKI Industries, Inc. / Chain and Lifting Products US subsidiary http://www.accochain.com UK - England York PA 17405-0792
United Defense Industries, Inc. / Ground Systems D Public subunit http://www.uniteddefense.com   York PA 17405-1512
New Standard Corp. Private http://www.newstandard.com   York PA 17406
D & E Communications Private http://www.dejazzd.com   Ephrata PA 17522
Fenner Drives US subsidiary http://www.fennerdrives.com UK - England Manheim PA 17545-1747
MapQuest.com, Inc. Public subunit http://www.mapquest.com   Mountville PA 17554-1542
Berk-Tek US subsidiary http://www.berktek.com France New Holland PA 17557-8303
Thermacore, Inc. Public subunit http://www.thermacore.com   Lancaster PA 17601-4275
BURLE Industries, Inc. Private http://www.burle.com   Lancaster PA 17601-5688
Philips Communication, Security and Imaging US subsidiary http://www.philipscsi.com Netherlands Lancaster PA 17601-5814
Lancaster Laboratories, Inc. Private Subunit http://www.lancasterlabs.com   Lancaster PA 17601-5994
Kerr Group, Inc. Private http://www.kerrgroup.com   Lancaster PA 17602-2104
Herley Industries, Inc. Public http://www.herley.com   Lancaster PA 17603-4025
Blue M Public subunit http://www.bluem.com   Williamsport PA 17701
Lunaire Limited Public subunit http://www.lunaire.com   Williamsport PA 17701
Textron Lycoming Public subunit http://www.lycoming.textron.com   Williamsport PA 17701-4472
Gruenberg Oven Co., Inc. Public subunit http://www.lunaire.com   Williamsport PA 17701-5500
Brodart Co. Private http://www.brodart.com   Williamsport PA 17705-0001
Andritz, Inc. US subsidiary http://www.andritz-na.com Austria Muncy PA 17756-1227
JPM Company (The) Public http://www.jpmco.com   Lewisburg PA 17837-8822
Bethlehem Steel Corp. Public http://www.bethsteel.com   Bethlehem PA 18016-7600
Mannesmann Rexroth Corp. / Industrial Hydraulics D US subsidiary http://www.us.rexroth.com Germany Bethlehem PA 18017-2131
HYDAC International Private http://www.hydacusa.com   Bethlehem PA 18017-2146
F.L. Smidth US subsidiary http://www.fullerco.com Denmark Bethlehem PA 18017-2188
B. Braun Medical Inc. US subsidiary http://www.bbraunusa.com Germany Bethlehem PA 18018
Pentamation Enterprises, Inc. Public subunit http://www.pentamation.com   Bethlehem PA 18018-5716
Binney & Smith Inc. Private Subunit http://www.crayola.com   Easton PA 18040
Knoll, Inc. Private http://www.knoll.com   East Greenville PA 18041
Paragon Technologies, Inc. Public http://www.sihs.com   Easton PA 18044-0070
Allen Organ Co. Public http://www.allenorgan.com   Macungie PA 18062-1165
Essroc Corp. US subsidiary http://www.essroc.com Italy Nazareth PA 18064
Rodale, Inc. Private http://www.rodale.com   Emmaus PA 18098-0099
Polymer Dynamics, Inc. Private http://www.pdi-usa.com   Allentown PA 18103
Penn Treaty American Corp. Public http://www.penntreaty.com   Allentown PA 18103
Agere Systems, Inc. Public http://www.agere.com   Allentown PA 18103-3229
Mack Trucks, Inc. Private http://www.macktrucks.com   Allentown PA 18105-5000
Mack Trucks, Inc. / MackPower Division Private Subunit http://www.macktrucks.com/mackpower   Allentown PA 18105-5000
Akrion Private http://www.akrion.com   Allentown PA 18106-9268
Sanbor Corp. Private http://www.sanbor.com   Allentown PA 18106-9336
Air Products and Chemicals, Inc. Public http://www.airproducts.com   Allentown PA 18195-1501
Air Products and Chemicals, Inc. / Chemicals Group Public subunit http://www.airproducts.com   Allentown PA 18195-1501
Air Products and Chemicals, Inc. / Gases and Equip Public subunit http://www.airproducts.com   Allentown PA 18195-1501
KAMA Corp. Public subunit http://www.kamacorp.com   Hazleton PA 18201-7754
Laird Technologies, Inc. US subsidiary http://www.lairdtech.com UK - England Delaware Water Gap PA 18327-0650
Aventis Pasteur USA US subsidiary http://www.aventispasteur.com France Swiftwater PA 18370-0187
Anemostat Public subunit http://www.anemostat.com   Scranton PA 18504
Commonwealth Telephone Enterprises, Inc. Public http://www.ct-enterprises.com   Dallas PA 18612-9745
Schott Glass Technologies Inc. US subsidiary http://www.us.schott.com/sgt Germany Duryea PA 18642-2036
Altec Industries, Inc. / Eastern Division Private Subunit http://www.altec.com   Plains PA 18705-3821
OSRAM SYLVANIA / Chemicals and Metallurgical Divis US subsidiary http://www.sylvania.com Germany Towanda PA 18848
Penn Color, Inc. Private http://www.penncolor.com   Doylestown PA 18901-2399
Severn Trent Water Purification, Inc. US subsidiary http://www.severntrentservices.com UK - England Colmar PA 18915-9727
PennEngineering Public http://www.penn-eng.com   Danboro PA 18916
PennEngineering / PEM Fastening Systems Division Public subunit http://www.pemnet.com   Danboro PA 18916
Talk America Holdings, Inc. Public http://www.talk.com   New Hope PA 18938-1079
L-3 Communications Corp. / Telemetry East Division Public subunit http://www.l-3com.com/te   Newtown PA 18940-1803
Goodrich Corporation / France Compressor Products Public subunit http://www.francecompressor.com   Newtown PA 18940-1821
ICT Group, Inc. Public http://www.ictgroup.com   Newtown PA 18940-4000
Scott Specialty Gases Private http://www.scottgas.com   Plumsteadville PA 18949-0310
AM Communications, Inc. Public http://www.amcomm.com   Quakertown PA 18951-2107
Environmental Tectonics Public http://www.etcusa.com   Southampton PA 18966
CW Industries Private http://www.cwind.com   Southampton PA 18966-3838
Draeger Medical, Inc. US subsidiary http://www.draegermedical.com Germany Telford PA 18969-1042
Accu-Sort Systems, Inc. Private http://www.accusort.com   Telford PA 18969-1196