| Ethyl Cellulose, Molded | Cellulose Acetate, Molded | Cellulose Acetate Butyrate, Molded |
| Cellulose Acetate Propionate, Molded |
| - | Clariant | Eastman Chemical |
| Garlock Rubber Technologies | Goodfellow | Hybrid Plastics |
| Lucobit AG | Mikro-Technik | Rotuba |
| Zelfo Technology |