GMS Inc. operates a network of distribution centers that offer wallboard, ceilings, steel framing, and complementary construction products in the United States and Canada. The company offers wallboards for interior and exterior walls and ceilings in residential and commercial structures; ceiling products, including suspended mineral fibers, soft fibers, and metal ceiling systems used in offices, hotels, hospitals, retail facilities, schools, and other commercial and institutional buildings; and steel framing products comprising steel track, studs, and other steel products used to frame the interior walls of a commercial or institutional building. It also provides complementary products, such as tools and fasteners, insulation, EIFS and stucco, lumber and other wood products, ready-mix joint compound and safety products.