Georg Fischer Central Plastics United States
 ABC Industries Inc United States 
 Advance Products & Systems United States 
 Anvil International & Smith-Cooper International United States 
 Applied Flow Technology United States 
 Atlas Copco CMT USA Inc United States 
 Blasch Precision Ceramics United States 
 CAB United States 
 CBP Engineering Corp United States 
 Central Plastics Co. United States 
 CertainTeed Corporation United States 
 CF UltraTech United States 
 Chemco Systems United States 
 CoorsTek Technical Ceramics United States 
 Corzan Industrial Systems United States 
 Dallai Ernesto SRL Italy 
 Flaretite United States 
 Flex-A-Seal Inc. United States 
 Flexitallic US LLC United States 
 GPM Inc. United States 
 H & M Plating Company, Inc. United States 
 Hayward Flow Control United States 
 Helmick Corporation United States 
 Hercules Sealing Products United States 
 Hilti USA United States 
 Indumar Products Inc. United States 
 Industrias Montefiore S.A.I.C. Argentina 
 Integrity Fusion Products, Inc. United States 
 Jabo Supply Corporation United States 
 JCM Industries, Inc. United States 
 JGB Enterprises Inc. United States 
 Kadant Unaflex United States 
 Kamal Import Exports Inc. India 
 Karl Hamacher GmbH Germany 
 Kroy Industries United States 
 Lawson Products Inc. United States 
 Loeb Winternitz Industrial Auctioneers United States 
 McElroy Manufacturing Inc. United States 
 MOGAS Industries Inc. United States 
 Netafim USA - Fresno United States 
 Paterson & Cooke South Africa 
 Performance Pipe United States 
 Pexgol Israel 
 Plastatech Engineering Ltd. United States 
 Polypipe United Kingdom 
 Prime Power North South Africa 
 Purvis Industries United States 
 Saint-Gobain Performance Ceramics & Refractories United States 
 Schaltbau North America United States 
 Schauenburg Flexadux Corp. United States 
 Scotchman Industries United States 
 Shijiazhuang Kingda Pump Industry Group Co Ltd. China 
 ShurJoint Piping Products United States 
 Simtech Process Systems United States 
 SPIRO INTERNATIONAL SA Switzerland 
 Tandem Products Inc./Rhino Hyde Div. United States 
 Thompson Pump & Manufacturing Co Inc United States 
 Torus Pressure Control United States 
 Ultra Tech Pipe United States 
 Val-Matic Valve & Mfg. Corp. United States 
 ValvTechnologies Inc United States 
 Victaulic Company United States 
 Wolseley Industrial Group United States 
 Xylem Inc. United States 
 Yamada America Inc. United States