Premier Sheet Metal Fabrication for HVAC Originally established as a fabrication division within Global Supply Contractor, United Sheet Metal Works Inc. (USMW) has since grown into an independent entity, serving the HVAC and mechanical contracting industry at large. Located in a state-of-the-art 20,000-square-foot facility in Corona, Queens—adjacent to Citi Field—USMW specializes in custom sheet metal solutions. Our facility is equipped with advanced machinery, including an 8-roll, 10,000-pound coil machine, as well as spiral, oval, and laser fabrication equipment. We provide end-to-end sheet metal fabrication, working with galvanized, stainless steel, aluminum, and black iron to deliver high-quality, tailored solutions for projects of any size. USMW has a fleet of trucks and vans dedicated to servicing its projects.