| Styrene-Butadiene Copolymer, SBC | Styrene/Butadiene/Styrene (SBS) | Polyphenylene Ether + Styrene-Butadiene Blend |
| Polyphenylene Ether + Styrene-Butadiene Blend, Glass Filled |
| BASF | Buckeye Polymers | Chevron Phillips Chemical Company LP |
| Denka | Dow Chemical | Kraton |
| LG Chemical | Network Polymers | Polykemi AB |
| PolyOne Corporation | S&E Specialty Polymers | Styron |