| Polyalphaolefin | Polyolefin, Film Grade | Polyolefin, Wire/Cable Grade |
| Borealis | Ensinger | Exxon Chemical |
| Fainplast Compounds | Mytex Polymers | Polimeri Europa (Former EniChem) |
| SABIC Innovative Plastics (GE Plastics) | Shandong Guangyin | Silon |
| Spartech | Yparex B.V. |