| Heat Transfer |
| Dylon Industries Inc. | http://www.dylon.com |
| Insulating |
| Dylon Industries Inc. | http://www.dylon.com |
| Insulating |
| Thermal Cerramics | http://www.thermalceramics.com |
| Plastic Conduit / Pipe |
| EGS - Appleton | http://www.appletonelec.com |
| Plastic Conduit / Pipe |
| EGS - O-Z/Gedney | http://www.o-zgedney.com |
| Plastic Conduit / Pipe |
| Gexpro | http://www.gesupply.com |
| Solvent | Thermoplastic Pipe | Arrow Adhesives Co. | http://www.arrowadhesives.com |
| Solvent | Thermoplastic Pipe | J.C. Whitlam Mfg. Co. | http://www.jcwhitlam.com/ |
| Solvent | Thermoplastic Pipe | The Ruscoe Co. | http://www.ruscoe.com |