Christopher D. Macey

CGC, Inc. used to manufacture, market and distribute building materials. It offers ceiling panels, grid and suspension systems, integrated ceiling systems, wallboard, acoustics, moisture and mould. The company was founded in 1907 and was headquartered in Mississauga, Canada.

USG Corp. engages in the manufacture and sale of building materials and solutions. It offers products for use in new residential, new nonresidential, and residential and nonresidential repair and remodel construction, as well as products used in certain industrial processes. It operates through the following segments: U.S. Wallboard and Surfaces; U.S. Performance Materials; U.S. Ceilings; Canada; and Other. The company was founded in 1902 and is headquartered in Chicago, IL.