JW Corporation
- Flexible duct hoses and pipes for HVAC, cable ducting, drainage and sewage, as well as pipe manufacturing equipment and consulting. Company overview and product descriptions.
- http://jw4u.com/pipe.htm

Marley Equator
- Manufactured from a high engineering grade plastic, cross linked polyethylene pe-x, equator offers excellent performance capabilities, and its benefits, both practical and financial, present a real alternative to copper.
- http://www.equator.co.uk/

Smith Fiberglass Products
- Offering nine standard piping systems in sizes from 1-inch through 48-inch diameters and temperatures to 275 degrees F. Pipe is manufactured by the filament-winding process using fiberglass strands and thermosetting resin.
- http://www.smithfiberglass.com/

Bristolpipe
- Serving the plastic pipe needs of wholesalers and contractors; including pipe for drainage, waste and venting; water pressure, sewer main, drain pipe, industrial fluid handling, and communication duct.
- http://www.bristolpipe.com/

FlowGuard Gold CPVC
- High-impact hot and cold water piping system from B. F. Goodrich.
- http://www.flowguardgold.com/