| Polyalphaolefin | Polyolefin, Film Grade | Polyolefin, Wire/Cable Grade |
| Borealis | Dow Chemical | Imerys (Kentucky-Tennessee Clay Co.) |
| Lushan | LyondellBasell (former Equistar) | Ovation Polymers |
| Polimeri Europa (Former EniChem) | REXtac | Sekisui Plastics |
| Shandong Guangyin | Styron |