For nearly 75 years, Lockformer® has become the most recognized name in the sheet metal machinery industry. We have led the world in the production of HVAC rollforming equipment and Vulcan plasma cutting systems, plus the TDC® rollformer has revolutionized the ductwork connection method around the world. Lockformer sets the standard for product quality, performance, customer service and integrity - the standard against which every other equipment manufacturer in the HVAC industry is judged.