Gregory D. Salah

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.

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.

Mercy Housing Lakefront provides housing services. The firm holds River Station Senior Apartments, a 70-unit affordable housing development in Kankakee designed for low to moderate income seniors. The company is headquartered in Chicago, IL.

Part of Gebr. The company is based in Chicago, IL. Knauf KG, United States Gypsum Co. is a leading manufacturer of ceiling, floor, gypsum, roofing, sheathing, and wall products.