Companies

• A O Smith Enterprises Ltd.

• AMTROL, Inc.

• Aero Environmental Limited

• Air Conditioning Exchange, Inc.

• American Metal Products - A Masco Co.

• American Moistening Company (AMCO)

• Armstrong Fluid Technology

• Armstrong International, Inc.

• Artekna

• Babcock & Wilcox

• Baltimore Aircoil of Canada

• Bemis Manufacturing Company

• Bessam-Aire

• Black Landscape Contracting Inc.

• Bramec Corp.

• Brechbill & Helman Construction Company, Inc.

• Broan-NuTone Canada

• Broan-NuTone, LLC.

• Bry-Air, Inc.

• Carnes Company

• Control Pak International

• DGH Systems LLC

• Data Aire

• Davis Energy Systems

• Dectron

• Desert Aire

• Dornback Furnace & Foundry, Co.

• Dri-Steem Humidifier Co.

• DryAire Systems

• Dwyer Instruments

• EWC Controls

• Eaton-Williams Group Limited

• Ebac Industrial Products, Inc.

• Ecodyne Ltd.

• Electro-Steam Generation Corp.

• Ellis & Watts

• Field Controls LLC

• Foster Wheeler Ltd.

• General Filters

• Geoflex Systems

• Global Industrial

• Hy-Save Energy Conservation Technologies

• Hydrotherm Canada Inc.

• Industrial Ventilation Inc.

• Jacuzzi Inc.

• Kahl Scientific Instrument Corporation

• Kathabar

• Lectrodryer

• Leedy Electric Corporation

• Luwa Bahnson Inc.

• MSP Technology

• Miniveil Air Systems

• Mountain States Equipment Co.

• Munters Corporation

• NYLE Dry Kiln Systems

• Nordyne

• Outside Air Solutions Company

• Poolpak

• Powrmatic of Canada Ltd.

• Pure Humidifier Co.

• R & D Energy Savers Ltd.

• Rosemount Analytical Division

• Sahara Air Dryers

• Seasons 4 Condominium Rentals

• Semco Incorporated

• Skuttle Mfg. Co.

• Spirax Sarco Canada Ltd.

• TAM Systems, Inc.

• The Wieser Group

• Therma-Stor Products

• Thomas & Betts

• Travco Contracting, Inc.

• Trion, Inc.

• Walton Laboratories, Inc.