• Barkman Concrete Ltd.

• Best Way Stone Ltd.

• Beton Bolduc Inc.

• Central Precast Inc.

• Century Concrete Products

• Cobblecrete International

• Francon Lafarge Div Lafarge Construction Materials

• Graphics 22 Signs, Inc.

• HPI Products Corp.

• Hy-Grade Precast Concrete

• Knecht and Berchtold Inc.

• Mock Woodworking Company

• Noise Control Systems

• Rock of Ages Canada Inc..

• Wheatland Tube Company