• Dornback Furnace & Foundry, Co.

• Ducts, Inc.

• Dunham-Bush, Inc.

• DuraLast Products Corporation

• Eaton-Williams Group Limited

• Eclipse Combustion

• Edwards Engineering Corp.

• Ellis & Watts

• Embassy Industries

• Emerson Electric Co.

• Emhart Fastening Teknologies

• Enviromaster International

• Faber Associates International

• Fan America Inc.

• Finlandia Sauna & Steam

• First Co.

• Friedrich Air Conditioning Co.

• Gatter & Diehl, Inc.

• Gaylord Industries, Inc.

• General Coatings Corporation

• Gillies Lumber

• Global Industrial

• Goldak Inc.

• Gordon R Williams Corporation

• Hart & Cooley Inc.

• Hartzell Fan