| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| STYRON™ 414 | Americas Styrenics LLC | PS (HIPS) | STYRON™ |
| STYRON™ 484 | Americas Styrenics LLC | PS (HIPS) | STYRON™ |
| STYRON™ 695 | Americas Styrenics LLC | PS (GPPS) | 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™ 6500 | Trinseo | PS (IRPS) | STYRON™ |
| STYRON™ 656D | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 637 | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 610 | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 5050 | Trinseo | PS (HIPS) | STYRON™ |
| STYRON™ 487R | Americas Styrenics LLC | PS (HIPS) | STYRON™ |
| STYRON™ 485 | Trinseo | PS (HIPS) | STYRON™ |
| STYRON™ 686E | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 666D | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 665 | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 668 | Americas Styrenics LLC | PS (GPPS) | STYRON™ |
| STYRON™ 2678 MED | Trinseo | PS (GPPS) | STYRON™ |
| STYRON™ 685D | Trinseo | PS (GPPS) | STYRON™ |