USG Corporation manufactures building materials and has advanced building science for 125 years. Its North American network includes more than 70 locations, with manufacturing plants across the United States, Canada, and Latin America.
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SOPREMAFamily-owned for more than a century, SOPREMA is a building-materials manufacturer with its U.S. headquarters in Wadsworth, Ohio. It is known for combining manufacturing with research and development, hands-on contractor education, and a stated focus on sustainable building-envelope solutions for construction professionals.WADSWORTH, OH
Associated Materials, LLCAssociated Materials, LLC is a North American exterior building products company headquartered in Cuyahoga Falls, Ohio, operating Associated Materials Innovations, Alside, and Gentek. Its history reaches back to Alside’s 1947 founding and innovation in enamel-baked aluminum siding; the company says it manufactures and distributes building products for residential, light commercial, and multifamily markets. It reports nine manufacturing plants and more than 120 supply centers across the United States and Canada.WEST SALEM, OH
Cornerstone Building BrandsCornerstone Building Brands manufactures exterior building products for residential and low-rise non-residential buildings across North America. Headquartered in Cary, North Carolina, it operates a network of more than 225 facilities, including 93 manufacturing plants, and serves customers in new construction and repair and remodeling.MARTINSBURG, WV
CertainTeedCertainTeed is a North American manufacturer of exterior and interior building products and a subsidiary of Saint-Gobain. Founded in 1904, when George Brown began manufacturing asphalt roof shingles, the company now reports more than 60 manufacturing facilities across the United States and Canada. Its portfolio includes building-envelope products as well as architectural ceiling and wall systems.QUAKERTOWN, PA