• Alltemp Products Company Ltd.

• American Ultraviolet Co.

• Aqua Treatment Service

• Aqua-Flo

• Armstrong Fluid Technology

• Atlantic Ultraviolet Corporation

• B&L Fence

• BEP Bestobell Inc.

• C & C Painting Co.

• Canadian General Filters Limited

• Capital Controls Company Inc.

• Composite Structures, Inc.

• Construction Design Technologies

• Culligan of Canada Ltd.

• Del Industries

• Diamond Water Systems

• Duro Dyne Canada Inc.

• Dwyer Instruments Inc.

• Ecco Heating Products Ltd.

• Elsag Bailey (Canada) Inc.

• Energy Automation Systems, Inc.

• Ferro Corp.

• Field Controls Company

• Gasmac Inc.

• General Coatings Corporation

• Globetron Electronics Corporation

• Heinemann Electric Canada Ltd.

• Jendoco Construction Corporation

• Johnson Controls, Inc.

• Kaspar Wire Works

• Leedy Electric Corporation

• Link-O-Matic Mfg. Co.

• Magnor Inc.

• NCA Manufacturing, Ltd.

• Nailor Industries Inc.

• Neptune Chemical Pump Co.

• Nutone Electrical Ltd.

• Ondeo Degremont, Inc.

• PCI-Wedeco Environmental Technologies

• Paintcraft, LLC

• Pepcon Systems, a division of American Pacific Corp.

• RTKL Associates Inc.

• S J Electro Systems Inc.

• Santa Barbara Control Systems

• SmartGate

• Smith & Loveless

• Teledyne Laars

• U.S. Filter

• USFilter - Wallace & Tiernan Products

• Vaponics/Osmonics

• WESCO Distribution Inc.

• Watson-Marlow Bredel Inc

• White-Rogers Controls Div of Emerson Electric Canada Ltd.

• Yardney Water Management Systems

• Ziegler Industries, Inc.