3M
ALFA LAVAL
AQUION Inc.
CDG ENVIRONMENTAL
DUPONT DE NEMOURS INC.
ELECTROLYTIC TECHNOLOGIES
EVOQUA WATER TECHNOLOGIES LLC
HYDRANAUTICS (A NITTO GROUP COMPANY)
INDUSTRIE DE NORA S.P.A.
KOCH SEPARATION SOLUTIONS
OZOTECH INC.
PALL CORP.
SUEZ GROUP
TORAY INDUSTRIES Inc.
TRIPLE O SYSTEMS Inc.
WESTECH ENGINEERING LLC
WIGEN WATER TECHNOLOGIES
XYLEM Inc.