| Advanced
Polymer |
H.J. Heinz |
| AK
Steel |
Hercules |
| AKZO
Nobel |
Heyl & Patterson |
| Albany International |
International Paper |
| Albemarle
(Quality Chemical) |
International Steel Services |
| Allegheny Ludlum Steel |
Joy Manufacturing |
| Allegheny Plastics |
Lord Corporation |
| Allegheny Power Systems
(APS) |
Metal Cladding |
| Aluminum Co. of America (ALCOA) |
Miller Plastics |
| American Electric Power
(AEP) |
Mobotec USA |
| Andritz-Ruthner |
Monsanto |
| Appleton Papers |
Nabisco |
| Applied Energy Services
(AES) |
Neville Chemical |
| Aristech Chemical |
Nova Chemical
(Arco
Chemical) |
| Ashland Chemical |
NRG
(Niagara Mohawk Power Corporation) |
| A/Z Corporation |
Occidental
Chemical |
| Bayer
CropScience (Aventis/ Rhone Poulenc) |
Ogden Martin |
| Bayer
Materials Science (Miles/Mobay) |
OMG (Mooney Chemical) |
| Bleach
Tech |
Orion
Energy |
| Boeing Services |
PPG Industries |
| Busch
International |
Penmar Steel |
| Calgon Carbon Corporation |
Pitt-Des Moines Inc. |
| Calgon Corporation |
Plant
Maintenance |
| Century Steel |
Quaker State |
| Consolidated Rail Corporation |
Reliant
Energy |
| Crown Union |
Reynolds Metals |
| Cytec
Industries (American Cyanamid) |
Sauer Inc. |
| Dick Corporation |
Schneider Engineers |
| Dominion
Resources |
S/D Engineering (Rust International) |
| Dow
Chemical (Union Carbide) |
SGL
Acotec |
| DuPont |
SNC
Lavalin America (Eichleay Engineers) |
| Duquesne Light |
Stone & Webster |
| Eastman Kodak |
Structural Fiberglass |
| Edison
Mission Energy |
Texas Gulf Chemical |
| Emerson
Process (Westinghouse) |
Tri-State Industrial |
| Engelhard
Corp. |
Trimark Engineers & Constructors |
| Erie
Power Technologies (Aalborg/Zurn Industries) |
USX Corporation |
| First Energy (Ohio Edison/PA Power) |
Valspar Corporation |
| FLAKTWoods
(Buffalo Forge) |
Wayne Crouse Company |
| FMC Corporation |
Westvaco |
| GE Chemicals |
Weyerhaeuser
(Willamette Industries) |
| G.E. Specialty |
Wheatland Tube |
| General Electric |
Wheelabrator APC |
| GIE
Niagara Engineering |
Wheeling Pittsburgh Steel |
| Great Lakes Chemical |
Witco Chemical |
| Gryphon
International Eng. |
Zinc Corporation of America |
| Halon Chemical |
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