| AB Volvo | Mack Trucks, Inc. |
| Air Products and Chemicals Inc. | Air Products & Chemicals, Inc. |
| AK Steel Holding Corporation | Armco Incorporated |
| Akzo Nobel N.V. | Reliance Universal, Inc. |
| Alcatel-Lucent | Western Electric Co. |
| Alcoa Inc. | Reynolds Metal Company, Aluminum Company of America |
| Allied Waste Industries Inc. | Browning Ferris Industries |
| Apollo Management L.P. | Borden Chemical Co., Borden, Inc. |
| Arkema Inc. | Pennwalt Corp. |
| Ashland Inc. | Ashland Chemical Co. |
| BASF AG | BASF Corp. , Inmont Corp. |
| Bayer AG | Stauffer Chemical Co. |
| Bemis Company Inc. | Bemis Co., Inc |
| Bethlehem Steel Corporation | Bethlehem Steel Corporation |
| BorgWarner Inc. | Borg-Warner Corporation |
| BP p.l.c. | Amoco Corp. , Atlantic Richfield Company |
| Bridgestone Corporation | Bridgestone/Firestone, Inc. |
| Burlington Northern Santa Fe Corporation | Burlington Northern Railroad |
| Cabot Corporation | Cabot Corporation |
| CBS Corporation | Westinghouse Electric Corp |
| Celanese Corporation | Hoechst Celanese Corporation, American Hoechst Corporation |
| Chemtura Corporation | Uniroyal, Inc. |
| Chevron Corporation | Chevron USA, Inc., Texaco, Inc., Gulf Oil Corporation |
| ConocoPhillips | Phillips Petroleum Co. |
| Continental AG | General Tire & Rubber Co. |
| Contran Inc. | NL Industries, Inc. |
| Cooper Industries Ltd. | Cooper Industries, Inc. |
| Corning Incorporated | Corning Glass Works |
| CRR Holdings LLC | Consolidated Rail Corp (Conrail) |
| DaimlerChrysler AG | Chrysler Corporation |
| Dainippon Ink and Chemicals Incorporated | Sun Chemical Corp. |
| DII Industries, LLC | Dresser Industries, Inc. |
| Dow Chemical Company | Union Carbide Corp., Dow Chemical Co. |
| Dow Corning Corporation | Dow Corning Corporation |
| E. I. du Pont de Nemours and Company | E.I.Dupont De Numours & Co. |
| EaglePicher Corporation | Eagle-Pitcher Industries Inc. |
| Eaton Corporation | Eaton Corporation |
| Exxon Mobil Corporation | Mobil Oil Corp/Chemical Co., Exxon Corp. |
| Federal Government | U.S.Air Force, U.S.Coast Guard, U.S.Navy |
| FMC Corporation | FMC Corporation |
| Ford Motor Company | Ford Motor Company |
| GAF Materials Corporation | GAF Corporation |
| General Electric Company | General Electric Co. |
| General Motors Corporation | General Motors Corporation |
| Goodrich Corporation | B.F.Goodrich Co. |
| Goodyear Tire & Rubber Company | Goodyear Tire & Rubber Co. |
| Hanson PLC | Koppers Chemical Co. |
| Henkel KGaA | Amchem Products, Inc. |
| Hercules Incorporated | Hercules Inc. |
| Honeywell International Inc. | Allied Signal Inc., Allied Chemical Corp., Honeywell, Inc |
| I Kestrel Acquisition Corp. | Reichhold Chemicals, Inc |
| Imperial Chemical Industries PLC | ICI Americas |
| Ingersoll-Rand Company Limited | Ingersoll-Rand Co. |
| Johnson & Johnson | Johnson & Johnson |
| Johnson Controls Inc. | Johnson Controls, Inc |
| Kaiser Aluminum Corporation | Kaiser Aluminum & Chemical Corp. |
| Kimberly-Clark Corporation | Scott Paper Co. |
| Monsanto Company | Monsanto Co. |
| NewMarket Corporation | Ethyl Corp. |
| Nippon Mining Holdings Inc. | Gould, Inc. |
| Northrop Grumman Corporation | TRW, Inc. |
| Novartis AG | Ciba-Geigy Corp. |
| Occidental Petroleum Corporation | Occidental Chemical Corp., Diamond Shamrock Corp |
| Olin Corporation | Olin Corporation |
| Owens-Illinois Inc. | Owens-Illinois, Inc. |
| Paloma Co., Ltd. | Rheem manufacturing Co. |
| Pfizer Inc | Pfizer, Inc. |
| Polaroid Corporation | Polaroid Corp. |
| PPG Industries Inc. | PPG Industries, Inc. |
| Raytheon Company | Raytheon Co. |
| Rexam PLC | American Can Company |
| Rockwell Automation Inc. | Rockwell International |
| Rohm and Haas Company | Rohm & Haas Co. |
| Royal Dutch Shell plc | Shell Oil Co. |
| Sears Holdings Corporation | Sears, Roebuck & Co. |
| Suffolk Services Inc. | Sullolf Services, Inc. |
| Superior TeleCom Inc. | Essex Group, Inc. |
| Texas Instruments Incorporated | Texas Instruments, Inc. |
| Textron Inc. | Textron, Inc. |
| True Specialty Corporation | Velsicol Chemical Corp. |
| W. R. Grace & Co. | W.R.Grace & Co. |
| Waste Management Inc. | Waste Management of North America, Inc, Chemical Waste Management |
| Weyerhaeuser Company | Weyerhauser Co. |
| Wyeth | American Cynamid Company |