| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| SPI CPPFG18CBK | Service Polymers, Inc. | PP Impact Copolymer | SPI |
| SPI HOPP12 | Service Polymers, Inc. | PP Homopolymer | SPI |
| SPI CPPFG18CNAT | Service Polymers, Inc. | PP Impact Copolymer | SPI |
| SPI PC18RU | Service Polymers, Inc. | PC | SPI |
| SPI 1029 NAT | Service Polymers, Inc. | Nylon 6 | SPI |
| SPI PC25RU | Service Polymers, Inc. | PC | SPI |
| SPI HDPE20 | Service Polymers, Inc. | HDPE | SPI |
| SPI 962 BK | Service Polymers, Inc. | Nylon 66 | SPI |
| SPI 1029 BK | Service Polymers, Inc. | Nylon 6 | SPI |