Pro-Build is one of the largest suppliers of building materials in the United States. It offers a range of panelization, truss manufacturing and gypsum installation services. The company serves various builders and contractors and maintains more than 550 locations throughout the U.S. Pro-Build operates various lumber and building product distribution, manufacturing and assembly centers. It provides a variety of lumber and engineered wood products. The company also offers gypsum, insulation, millwork and roofing products, as well as trusses, sidings, doors and windows. Pro-Build provides a range of fabrication, installation and manufacturing services. Additionally, it maintains a knowledge center that offers information related to trade references, products and builder s associations, municipalities, project resources, and codes and standards.