Cont Mid Group, 24000 S Western Ave, Park Forest, IL 60466, US

Chicago-based USG is a leader in the production of products and systems to build the environments in which people live. USG is one of the first inventors of wallboard and ceiling tile. Its products are used in everything from major commercial developments and residential housing to simple home improvement projects. The company s brands include Sheetrock brand gypsum panels and Durock brand cement board. USG is a producer of gypsum wallboard, joint compound and an array of related products for the construction and remodeling industries. It is also the leader in the manufacture of ceiling suspension systems and is a leader in acoustical panel and specialty ceiling systems. Its family of products provides building solutions that set standards for productivity and efficiency. USG Corporation, through its subsidiary L&W Supply, is also one of the nation s largest distributors of drywall and related building products.