| BASF - Chartwell International - Davis Color - Dianal America - Dupont - EC Pigments - Engelhard Corp - Fibertec |
| IMI Fabi - ITP International - Interfibe Corp - Konica Minolta Color Instruments - OPC Polymers |
| Omya Inc. - Perstorp Polyols Inc. - Raybo Chemical Co. - Resinall - Rhodia - Silberline MFG Co. |
| Silbrico - Spolchemie - Supercolori - Superior Graphite - Unifrax - Unimin Specialty Minerals - Wayne Pigments |