PVC Pipe
| Company | Website |
| Bristol Pipe | www.bristolpipe.com |
| Contech Construction Products | www.contech-cpl.com |
| Diamond Plastics, Inc. | www.dpcpipe.com |
| Freedom Plastics, Inc. | www.freedomplastics.com |
| Lamson Vylon Pipe | www.vylonpipe.com |
| North American Pipe Company | www.northamericanpipe.com |
| Uponor ETI Company | www.uponoreti.com |