| Polyalphaolefin | Polyolefin, Film Grade | Polyolefin, Wire/Cable Grade |
| Clariant | Fainplast Compounds | Lucobit AG |
| LyondellBasell | Mitsui Chemicals America | Multibase |
| Mytex Polymers | Ovation Polymers | RheTech Products |
| SABIC Innovative Plastics (GE Plastics) | Silon | Styron |