EnviroChemie Germany 
 ABMEC - The British Mining Trade Association United Kingdom 
 Amiad Water Systems Israel 
 Apex Group South Africa 
 AridTec Pte Ltd Singapore 
 Aston Evaporative Services United States 
 Atlas Copco Compressors United States 
 BioteQ Environmental Technologies Inc Canada 
 Blue Planet Strategies, LLC United States 
 Brunel Corporation United States 
 Christian Pfeiffer Maschinenfabrik GmbH Germany 
 Corzan Industrial Systems United States 
 CR Powered by Epiroc Australia 
 Eco Solution Distributing United States 
 ECOVAP United States 
 Eijkelkamp Netherlands 
 Enduro Composites United States 
 ErtelAlsop United States 
 FLSmidth Inc United States 
 Franklin Electric United States 
 GE Transportation, a Wabtec company United States 
 Global Green Solutions LLC United States 
 GSM Filtration Inc. United States 
 Hydro Engineering Inc. United States 
 IGS Italia s.r.l. Italy 
 In-Situ United States 
 Ketmak Machinery Technology Inc. Turkey 
 LINE-X Protective Coatings United States 
 Loeb Winternitz Industrial Auctioneers United States 
 Lyntek Incorporated United States 
 MacLean Engineering Canada 
 Magnation Water Technologies United States 
 Master Builder Solutions Germany 
 Matec In America United States 
 Merrick Industries United States 
 Met-Chem, Inc United States 
 MINING EQUIPMENT COMPANY Canada 
 Montgomery & Associates United States 
 Nelson Irrigation Corporation United States 
 North Ridge Pumps Ltd United Kingdom 
 Oil Skimmers Inc United States 
 Open Loop Energy Inc. United States 
 PCM SA France 
 Phoenix Process Equipment Co. United States 
 Pillar Mfg.Pillar Mfg. United States 
 Prime Power North South Africa 
 PT. Siko Techno Indonesia 
 Roscoe Moss Co. United States 
 SAMCO Technologies, Inc. United States 
 Schwing Bioset, Inc. United States 
 SEETECH LLC Germany 
 Slimline Mfg. Ltd. Canada 
 SMI Evaporative Systems United States 
 Strongwell United States 
 Structural Composites of Indiana United States 
 STT Enviro Corp Canada 
 SubCom Systems Canada 
 TECNOIDEA IMPIANTI S.r.l. Italy 
 The Hilliard Corporation United States 
 Traxol Chemicals International Canada 
 Tsurumi Manufacturing Co Ltd. Japan 
 Veolia Water Technologies France 
 W.K. Merriman Inc. United States 
 Western Shelter Systems United States 
 WSP Canada 
 Xylem Inc. United States