| Grade | Generic | Region\Company |
| API PS 370 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 370-21 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 375 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 390 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 392 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 395 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 395-21 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 410 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 425 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 500 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 505 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 505 HF | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 505-21 | PS (GPPS) | North America - American Polymers, Inc. |
| API PS 545 | PS (HIPS) | North America - American Polymers, Inc. |
| API PS 545-21 | PS (HIPS) | North America - American Polymers, Inc. |
| API PS 550 | PS (HIPS) | North America - American Polymers, Inc. |
| API PS 550-21 | PS (HIPS) | North America - American Polymers, Inc. |
| API PS 550-HF | PS (HIPS) | North America - American Polymers, Inc. |
| API PS 645-21 | PS (HIPS) | North America - American Polymers, Inc. |
| API PS 650-21 | PS (HIPS) | North America - American Polymers, Inc. |
