South East Water Limited
South East Water is a state-owned Company, which provides water and sewerage services to over 1.3 millions customers in the south-east of Melbourne, Victoria, Australia.
http://www.sewl.com.au/

New Hope Pipe Liners
Profiles a pipe line rehabilitation contractor serving the Northeast United States. Offers trenchless pipe rehabilitation systems for the waste water, storm water, potable water, gas and nuclear industries. Products include National Liner CIPP and U-Liner.
http://www.nhpl.net/

Clow Water Systems Pipe and Fittings
Clow Water Systems Company has been one of the United States premiere manufacturers of iron pipe and fittings in the waterworks industry.
http://www.clowwatersystems.com

Per Aarsleff A/S Pipe Technologies
Renovates pipes and pipe systems using No Dig technologies. The No Dig division renovates e.g. pipes for potable water, discharge water, process water, rainwater, gas and district heating, and also vertical downpipes, and vent shafts.
http://www.aarsleff.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/

D. A. Van Dam & Associates
Infrastructure solutions for culvert liners, manhole rehabilitation, pipe rehabilitation, crystalline waterproofing, stopping water inflow in sewage treatment plants, potable water tanks,manholes and pipe relining.
http://www.davandam.com

American Water Works Association (AWWA)
National organization for clean water and water distribution systems. Develops standards for water pipes and hosts a supplier directory of pipe manufacturers for all materials.
http://www.awwa.org

Petroleum Pipe Company Ltd
Supplies API, casing, and line pipe to the oil, gas, and water industries.
http://www.petpipe.co.uk/

Southeastern Pipe & Drain Systems
Southeastern Pipe and Drain Systems is your single source for all of your drain and pipe system needs. We are distributors of ADS HDPE plastic pipe and PVC pipe and fittings. We also have a fabrication shop that specializes in the design, fabrication and installation of pond and lake water control structures.
http://www.sepipe.net

Northwest Pipe Company

http://www.nwpipe.com/