3M CO.
ASAHI GLASS CO. LTD.
ASAHI KASEI CORP.
BALLARD POWER SYSTEMS
CHEMOURS CO.
DIOXIDE MATERIALS
DUPONT
ECOLECTRO INC.
EICHROM TECHNOLOGIES
EVOQUA WATER TECHNOLOGIES
FINEX OY
FUEL CELL STORE
FUJIFILM MEMBRANES
FUMATECH BWT GMBH
GENERAL TECHNOLOGIES SPC
GUANGZHOU CHUNKE ENVIRONMENTAL TECHNOLOGY CO. LTD.
ION POWER
IONOMR INNOVATIONS INC.
JOHNSON MATTHEY
LANXESS AG
LENNTECH
MILLIPORESIGMA
MITSUBISHI CHEMICAL CORP.
NALCO WATER
PCA GMBH
PUROLITE
RESINEX (JACOBI CARBONS)
RESINTECH INC.
SAFE WATER TECHNOLOGIES INC.
SALTWORKS TECHNOLOGIES INC.
SAMCO
SERIONIX
SNOWPURE WATER TECHNOLOGIES
SOLVAY SA
TAIYUAN LANLANG TECHNOLOGY INDUSTRIAL CORP.
THERMAX INC.
TOKUYAMA CORP.
W.L. GORE AND ASSOCIATES
XERGY INC.