Companies

• Johnston-Morehouse-Dickey Co.

• Kennedy Tank & Manufacturing Company, Inc.

• Knauf Insulation

• Kuhlmann Design Group, Inc.

• LL Building Products

• Labconco Corporation

• Lennox Industries Ltd.

• Leslie-Locke

• Louisville Dryer Company

• Luwa Bahnson Inc.

• McGill AirSeal Corporation

• Mercer Rubber Co.

• Met-Pro Corporation

• Metalflex Division

• Mike Green Fire Equipment Co.

• Murphy-Rodgers

• Murray Sheet Metal Co.

• NR Murphy Limited

• Nailor Industries Inc.

• National Systems of Garage Ventilation

• Naylor Pipe Co.

• Nemato Composites Inc.

• Nibco Inc.

• PPC Industries

• Pathway Bellows

• Plastronics