| Styrene-Butadiene Copolymer, SBC | Styrene/Butadiene/Styrene (SBS) | Polyphenylene Ether + Styrene-Butadiene Blend |
| Polyphenylene Ether + Styrene-Butadiene Blend, Glass Filled |
| BASF | Chevron Phillips Chemical Company LP | Denka |
| Diamond and Network Polymers | E-Polymers Co. Ltd. | Ecomass Technologies |
| Kraton | LG Chemical | PolyOne Corporation |
| Sibur | Styrolution | Styron |