3M PURIFICATION INC.
A.O. SMITH CORP.
Advanced Purification Engineering Corp.
Ampac Usa
AQUATECH INTERNATIONAL
AXEON WATER TECHNOLOGIES
Brita Gmbh
Bwt Ag
ECOWATER SYSTEMS LLC
EUREKA FORBES LTD.
Ge Appliances Inc.
ION EXCHANGE (INDIA) LTD.
Kent Ro Systems Ltd.
LG ELECTRONICS
Midea Group Co. Ltd.
Omnipure Filters Co.
PANASONIC CORP.
PENTAIR PLC
PHILIPS ELECTRONICS
Pureteck Co. Inc.
Tata Chemicals Ltd.
UNILEVER N.V.
WHIRLPOOL CORP.