| Grade | Generic | Region\Company |
| WPP TPO TPO-125 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-160 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-165 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-180 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-185 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-247 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-247 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-247 UV Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-247 UV DX9 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-247 UV YGYA | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2470 Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2470 UV RXF | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2471 Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2525 UV YGYA | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2561 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2561 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2562 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2563 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2563AS UV Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2565 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2565 UV | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-257 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-257 UV Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-257 UV DX9 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-2573 Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-264PC Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 UV DX9 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 UV HS5 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 UV RJ3 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 UV RS8 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 UV SPN | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-277 UVP ZSP | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3125 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-326 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-336 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3361 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3925 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3964 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3972 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3972 UV | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3974 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3976 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3976 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-3976 UV Natural | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-425 UV Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-497 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-5435 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-5674 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-5674 P Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-5674 UV Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-614 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-6145 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-6455 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-7510 | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
| WPP TPO TPO-7510 UV Black | Polyolefin, Unspecified | North America - Washington Penn Plastic Co. Inc. |
