GSE Lining Technology GmbH Germany 
 A W Chesterton Co United States 
 Abtrex Industries Inc United States 
 American Plastics Depot United States 
 Arch Environmental Equipment Inc United States 
 Bailey Parks Urethane Inc United States 
 Boyce, Graybeal, Sayre, Inc United States 
 C.U.E. Inc. United States 
 Canadian Wear Technologies Ltd Canada 
 Castech Metallurgie Inc. Canada 
 CBP Engineering Corp United States 
 CDG Engineers United States 
 Centrifugal Services Incorporated United States 
 Christian Pfeiffer Maschinenfabrik GmbH Germany 
 CL Smith Industrial United States 
 Convenience Products United States 
 CoorsTek Technical Ceramics United States 
 CQMS Razer United States 
 Crushing & Mining Equipment Australia 
 Custom Linings, Inc. United States 
 Duraline LLC United States 
 Durex Products Inc United States 
 Eutectic Corporation United States 
 Field Lining Systems Inc. United States 
 Godwin Pumps of America Inc United States 
 GSE Lining Technology Inc. United States 
 ITW Polymers Adhesives North America United States 
 Linatex Inc. United States 
 LINE-X Protective Coatings United States 
 Loeb Winternitz Industrial Auctioneers United States 
 McNeil Industries United States 
 Multotec South Africa 
 Nelson Williams Linings, Inc. United States 
 Prime Power North South Africa 
 Process Equipment Inc. United States 
 Quatro Industries Limited Canada 
 Reef Industries, Inc. United States 
 Rema Tip Top North America Inc. United States 
 Rhino Linings USA Inc. United States 
 Saint-Gobain Performance Ceramics & Refractories United States 
 SAS Global Corp. United States 
 Silicon Carbide Products Inc United States 
 Tandem Products Inc./Rhino Hyde Div. United States 
 Valley Rubber, LLC United States 
 Weir Minerals United States 
 Wescott Steel Inc. United States