Aqua Care Sys., Inc.

Canadian Water Cond. Inc.

DuPage Water Treat. Prod.

FWT Wholesale Inc.

F.E. Myers Co.

Filter Soft

Filtercold

Fluid Sys. & Controls, Inc.

Horner Discus Int'l. Inc.

Hydro-Flow Filtration Sys., Inc.

Hydropure Water Treat. Co.

LMI Milton Roy

Mid South Chemical Co., Inc.

Nu-Calgon

Seter Engineering Corp.

Southeastern Filtration & Equip. Sys.

Spectrum Labs, Inc.

Sunshine Water Cond.

Western Water Prod., Inc.