Customer Listing
| AEP | Degussa | Mitsubishi |
| Alcan | Diamond Power | Momentive |
| Allegheny Energy | Dominion | Monsanto |
| Alpharma | Doosan Babcok | Nova Chemicals |
| Alstrom Power | Dover Chemical | O & G Industries |
| Altra Biofuels | Dow | Ormet |
| Americas Styrenics | Duke Energy | Plaskolite |
| AMP | DuPont | PPG |
| Arizona Chemical | Elkem Metals | PSEG Energy |
| Artco Steel | Energizer | PWP Industries |
| Babcock & Wilcox | Eramet | Riley Power |
| Bayer | Fluor | SABIC |
| Bechtel | Foster-Wheeler | Sargent & Lundy |
| Black & Veatch | GE | Selas Fluid |
| Bowen Engineering | Globe | Shell |
| BP | Hitachi | Solvay |
| Calgon | Indeck Keystone | Sunoco |
| Century Aluminum | International Conv. | TIC |
| Cherne | International Paper | Toshiba |
| Chevron | Jacobs | Toyota |
| Cinergy | Kleen Energy | URS |
| Colgate-Palmolive | Kokosing | US Door |
| Columbia Gas | Kraton Polymers | Vogt Power |
| Criterion Catalysts | Marathon | Weyerhaeuser |
| Cytec | Miba Bearings | Worley Parsons |
