| Business | Phone |
| Laird Plastics 650 S Industrial Way, Seattle 98108 | (206) 623-4900 |
| Lighting Plastics Northwest 4069 1st Ave S, Seattle 98134 | (206) 622-4318 |
| Ves Co 20416 Richmond Beach Dr Nw, Seattle 98177 | (206) 542-6991 |
| Plastics Northwest 360 Upland Dr, Seattle 98188 | (206) 575-6855 |
| Port Plastics Inc 1228 Andover Park E, Seattle 98188 | (206) 575-4994 |