Master Manufacturing Industries, Inc. supplies construction materials and custom doors to architects, builders, general contractors, property owners, facility managers, and subcontractors throughout Pennsylvania and nationwide. The company specializes in Division 8 items including hollow metal doors

LaForce is a commercial door, frame, and hardware supplier based in Green Bay, Wisconsin, with locations throughout the country. The company provides hollow metal frames, wood and steel doors, hardware, locksets, hinges, exit devices, electrified hardware, toilet partitions, lockers, and integrated