| Polyalphaolefin | Polyolefin, Film Grade | Polyolefin, Wire/Cable Grade |
| A. Schulman, Inc. | Dow Chemical | E-Polymers Co. Ltd. |
| Exxon Chemical | Lucent Polymers | Multibase |
| PolyOne Corporation | SABIC Innovative Plastics (GE Plastics) | Silon |
| Solvay Specialty Polymers | Spartech |