Builders FirstSource, Inc. engages in the supply and manufacture of building materials, manufactured components, and construction services to professional homebuilders, sub-contractors, remodelers, and consumers. The company is headquartered in Irving, Texas and currently employs 29,000 full-time employees. The company went IPO on 2005-06-22. The firm provides customers an integrated homebuilding solution, offering manufacturing, supply, delivery, and installation of a full range of structural and related building products. The firm groups its building products and services into four product categories: Manufactured Products; Windows, Doors and Millwork; Specialty Building Products and Services, and Lumber and Lumber Sheet Goods. Its manufactured products are factory-built substitutes for job-site framing and include wood floor and roof trusses, wall panels and engineered wood. Its specialty building products and services consist of various products, including vinyl, composite and wood siding, exterior trim, metal studs, cement and insulation. The firm operates in approximately 43 states with 590 locations.