| Acrylonitrile/Styrene/Acrylate (ASA), Unreinforced, Molded | ASA/AES, Unreinforced, Extruded/Molded | Acrylonitrile/Styrene/Acrylate (ASA), 15% Glass Reinforced |
| Covestro | Diamond and Network Polymers | Gromax |
| Lanxess | LG Chemical | PolyOne Corporation |
| Polyram | Ravago Manufacturing Americas, LLC | Samsung, Cheil Industries |
| Spartech | SPS Guang Zhou | Styrolution |