3M CO.
ALFA LAVAL
APPLIED MEMBRANES Inc.
ASAHI KASEI CORP.
DUPONT
ENTEGRIS Inc.
EVOQUA WATER TECHNOLOGIES LLC
HYDRANAUTICS (A NITTO GROUP COMPANY)
KOCH SEPARATION SOLUTIONS
MANN+HUMMEL
PALL CORP.
PENTAIR
SUEZ WATER TECHNOLOGIES & SOLUTIONS
Synder Filtration Inc.
TORAY INDUSTRIES Inc.