Action Mfg. & Supply Inc.

Amy Controls, Inc.

Aqua Man Inc.

AQUAPURA Corp. (The)

Atlantic Filter Corp.

Campbell Mfg. Inc.

Challenger Water Int'l., Inc.

Charger Water Treatment Products, LLC.

Clack Corp.

Clarity Filters

CUNO Water Factory Sys.

DuPage Water Treat. Prod.

Enting Water Cond., Inc.

F.M. Mark Electronics, Inc.

Filter Soft

Filtercold

H2O Int'l. Inc.

International Water Werks, Inc.

KPW Ind., Inc.

Krevco

MID AMERICA WATER TREATMENT

Mountain Filtration Sys., Inc.

N.R.G. Enterprises, Inc.

O-SO Pure

Pro-Flo Prod., Inc.

PURITY Corporation (The)

QMP, Inc.

Safe Water Tech., Inc.

Sta-Rite Ind.

Sunshine Water Cond.

U.S. Filter

Valnco Inc.

Water Equip. Tech. Inc.

Wood Bros. Ind. II

World Sector, Inc.