| Polyalphaolefin | Polyolefin, Film Grade | Polyolefin, Wire/Cable Grade |
| Clariant | Imerys (Kentucky-Tennessee Clay Co.) | Lucobit AG |
| LyondellBasell | Multibase | Mytex Polymers |
| PolyOne Corporation | REXtac | SABIC Innovative Plastics (GE Plastics) |
| Sekisui Plastics | Styron | Yparex B.V. |