Henry Gurtzweiler constructed aircraft hangar frames during the World War II effort. The company specializes in structural steel erection and structural/architectural precut concrete erection. The company is experienced in industries, such as metal roofing, siding and decking; pre-engineered metal buildings, maintenance, crane and runway installation, equipment setting, tilt-up concrete panel erection, rigging and welding. Henry Gurtzweiler, which is headquartered in Toledo, Ohio, maintains the following equipment: more than 10 cranes, aerial lifts, 3,500- and 5,000-pound forktrucks, 30-plus welders, five air compressors, sheeting scaffolds and over 20 foreman, flatbed and dump trucks. Henry Gurtzweiler was founded in 1929.