Builders FirstSource, Inc. engages in the supply and manufacture of building materials, manufactured components and construction services to professional homebuilders, subcontractors, remodelers and consumers. Its products include factory-built roof and floor trusses, wall panels and stairs, vinyl windows, custom millwork and trim, and engineered wood. The company was founded by Kevin P. O'Meara, Donald F. McAleenan and John D. Roach in March 1998 and is headquartered in Irving, TX.