Companies

• Giffin Sheet Metal

• HLW International LLP

• Harriet Anderson Painting, Inc.

• Hart & Cooley Inc.

• Heat-Fab Inc.

• International Chimney Corp.

• Johnston Boiler Company

• Joseph Davis

• Kasten Masonry Sales

• Kemco Systems

• Leedy Electric Corporation

• Leisure Baths Ltd.

• Ludell Mfg. Co.

• Metal-Fab Inc.

• Miniveil Air Systems

• Montfort Brothers

• Murray Sheet Metal Co.

• NAO Inc.

• Naylor Pipe Co.

• Olsen Technology Inc.

• Plastronics

• Powrmatic of Canada Ltd.

• ProTech Systems

• Process Equipment Co.

• QuickDraft Div.

• Quickway Metal Fabricators