ABB LTD.
AMERICAN WATER CO.
ARAD TECHNOLOGIES LTD.
BELKIN CORP.
BIWATER
CADAGUA
CHINA EVERBRIGHT GROUP LTD.
G.S. INIMA
GELSENWASSER
GENERAL ELECTRIC CO. (GE WATER CORP.)
GINER LABS
HONEYWELL INTERNATIONAL INC. (HOLDING COMPANY OF ELSTER GROUP SE)
HORIBA LTD.
HUAWEI TECHNOLOGIES
HYDRO INTERNATIONAL
HYFLUX
IBM
ITRON INC.
LANDIS GYR (TOSHIBHA)
LUMENSE INC.
MULTISENSOR SYSTEMS LTD.
SCHNEIDER ELECTRIC SE
SIEMENS AG
TAKADU LTD.
UTILITY SYSTEMS
XYLEM INC.
YOKOGAWA INDIA LTD.