| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| STYRON™ 438 | Trinseo | PS (HIPS) | STYRON™ |
| STYRON™ 470 | Trinseo | PS (HIPS) | STYRON™ |
| STYRON™ 484 | Americas Styrenics LLC | PS (HIPS) | STYRON™ |
| STYRON™ H9152T | Trinseo | PS (HIPS) | STYRON™ |
| STYRON™ 693 | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 685P | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 634 | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 656D | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 649D | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 610 | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 5050 | Trinseo | PS (HIPS) | STYRON™ |
| STYRON™ 498 | Americas Styrenics LLC | PS (HIPS) | STYRON™ |
| STYRON™ 487 | Americas Styrenics LLC | PS (HIPS) | STYRON™ |
| STYRON™ 666D | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 660 | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 685D | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 685F | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 2678 MED | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 685D | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 686E | Trinseo | PS (GPPS) | STYRON™ |