CHEMICAL INDUSTRY
Ashland Chemical
Bayer Corporation
Nova Chemical (formerly Arco Chemical)
Sun Chemical (formerly Aristech Chemical-corporate and plant)
Fexsys America LP (formerly Akzo Chemical)
American Refining Group
BASF Corporation
Callery Chemical Company
CYTEC (formerly American Cyanamid Company)
Degussa Chemical
E I DuPont (Parkersburg and Belle)
Omnova (formerly GenCorp)
Eastman Chemical Corp (formerly Hercules, Inc.)
Indspec Chemical Corp (formerly Koppers Industry)
Koppers Company
Lord Corporation (Erie, Saegertown)
MSA
Neville Chemical
PPG Industries (4 Divisions: Paint, Coatings, Glass, Fiberglass)
Petrowax PA, Inc (formerly Quaker State)
Rutgers-Nease Chemicals (State College)
United Refining Company
SCA Packaging (formerly Tuscarora, Inc)
Valspar Corporation
Witco Chemical
Penerco
Dyno Nobel
Sunoco Chemical
Allegheny Color Corporation
Degussa Metals Catalysts Cerdec Corp.
Zinc Corporation of America
Alcoa World Chemicals
Calgon Carbon Corporation
Envirotrol, Inc.
Reichhold Chemicals, Inc.
Ranbar Electrical Materials, Inc.
Spectrum Controls
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PAPER INDUSTRY
Westavaco
International Paper
Appleton Papers
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OEM
Heyl & Patterson, Inc.
Tippins, Inc.
ABB - Alston Power
Struthers Wells Corporation
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METAL INDUSTRY
Alcoa Technology
Alcoa, Inc.
Allegheny Ludlum
U.S. Steel Corporation (4 locations)
Inmetco
International Steel Services, Inc.
J & L Specialty Steel, Inc.
Armco
A-K Steel ( Butler)
Shenango, Inc.
Weirton Steel
Wheeling - Pittsburgh Steel
Zinc Corporation of America
ISG
The Techs
Copperweld Corporation
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GLASS INDUSTRY
PPG Industries
Henry F. Teichmann, Inc.
TECO (Toledo Engineering System, Inc.)
KTGSI
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CARBON INDUSTRY
C/G Electrodes
Carbone of America
Morgan AM&T
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MAJOR ENGINEERING & CONSTRUCTION FIRMS
Continental Design & Management
Lockwood Greene
Aker Kvaerner
SNC Lavalin America, Inc. (formerly Eichleay Engineers)
ChemTech Engineers
Veolia Water
River Consulting (formerly Trimark Engineering)
UHDE Engineering (formerly ThyssenKrupp)
SMS DeMag, Inc.
Orbital Engineering
UEC Consultants
Voest-Alpine Industries
Wheelabrator Air Pollution Control
S/D Engineers, Inc.
Bricmont, Inc.
Chemstress Engineering
DQE - Energy Services
Harding ESE
Hatch
Hatch Mott MacDonald
NA Water Systems
Quattro Associates
R.T. Patterson
Siemens
URS Corporation
Veolia Water North America
Voest-Alpine Industries, Inc.
ATSI Engineering
Winkle WL Engineering
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REFRACTORY INDUSTRY
Lazar
ANH Refractories
Harbusib Walker
RHI Refractrories America
Mt. Savage Specialty
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