ALFA LAVAL
ASAHI KASEI CORP.
DUPONT
HINADA
KOVALUS SEPARATION SOLUTIONS
KWI INTERNATIONAL ENVIRONMENTAL TREATMENT GMBH
MANN+HUMMEL
MEMBRACON
MERCK KGAA
NX FILTRATION BV
PALL CORP.
PENTAIR
SAFBON WATER TECHNOLOGY
SYNDER FILTRATION INC.
TORAY INDUSTRIES INC.