Pipe and/or Fitting Manufacturers

• Aquatherm

• Asahi/America

• Auray Managing S.L.

• CB Supplies, LTD

• Centennial Plastics

• Charlotte Pipe and Foundry Company

• Flying W Plastics

• Golan Plastic Products LTD

• Heatlink Group Inc

• Hongyue Plastic Group Co., Ltd

• Interplast

• IPEX USA LLC

• ISCO Industries, LLC

• Legend Valve

• Mr. PEX Systems

• NUPI Americas

• Polytubes

• REHAU, Inc.

• Reliance Worldwide

• Titeflex Gastite Division

• Uponor, Inc.

• Versaprofiles, Inc.

• Victaulic

• Viega LLC

• Watts Water Technologies

• Wavin (including Bow Plastics)

• WL Plastics

• YogaPipe

• Zurn PEX, Inc.

Resin/Additives/Other Equipment or Product Suppliers

• Ampacet Corporation

• BASF

• Borealis

• Colloids Inc.

• Conventus Polymers, LLC

• Dow Chemical

• ExxonMobil Chemical Company

• Formosa Plastics Corporation

• INEOS Olefins & Polymers USA

• Kafrit NA Ltd

• Legend Valve

• Lubrizol

• LyondellBasell Industries

• Muehlstein

• Plastics Technology De Mexico

• RTP Company

• Saco AEI Polymers, Inc

• Shell Polymers

• Silon US

• Syensqo

International Affiliates

• K-Flex

• Kan Therm USA

• Rarean Fluid-Tech Private Limited

Machine Equipment Manufacturers

• Battenfeld-cincinnati

• Davis Standard

• Fangli Technology Inc.

• Fast Fusion, LLC

• FB Balzanelli USA, Inc.

• Ifw Mould Tec GmbH

• INOEX

• Krauss Maffei

• McElroy Manufacturing, Inc.

• Milacron LLC

• Ritmo America, LLC

• SCITEQ A/S

• SICA America

• SIKORA International Corporation

• Unicor North America

• Wegener Welding, LLC

Education, Research, Testing, & Consulting

• American Society of Plumbing Engineers

• Bryan Hauger Consulting, Inc.

• CSA Group

• Element Materials Technology

• Exponent Inc.

• IAPMO

• ICC Evaluation Service

• IGSHPA

• NSF International

• PSILab, Inc.

• SKZ Testing GmbH

• TRI Environmental