Joseph W. Holmes

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.

L&W Supply Corp. distributes gypsum wallboard and building materials. Its products include drywall and wallboard, steel framing, ceiling, acoustical, joint treatment, insulation, exteriors, fasteners, tools and accessories. The firm also offers delivery services, credit, submittals, and ordering services. The company was founded in 1971 and is headquartered in Chicago, IL.

USG Boral Building Products Pty Ltd. manufactures and distributes plasterboards. It offers plaster potter casting as well as dental plasters. The company was founded in 1939 and is headquarters Port Melbourne, Australia.

Zawawi Gypsum LLC engages in the operation of gypsum mining and processing facility. The company was founded on May 22, 2010 and is headquartered in Salalah, Oman.

USG Middle East Ltd. manufactures laminated gypsum ceilings, drywall partition systems, and Sheetrock brand joint treatment products. The private company is based in Dammam, Saudi Arabia.

Usg Boral Drywall SFZ wholesales brick and drywall products. The company is headquartered in Salalah, Oman.