Founded in 1969, by Jerome Myers, Sheet Metal Connectors, Inc. is a fabricator of standard and custom commercial and industrial HVAC sheet metal products. SMC can supply all of your needs including but not limited to; Rectangular Ductwork, Spiral Pipe, Fittings, Custom Welding, Stamped Fittings, Oval Spiral and Duct Accessories. All of our products are made in the USA in our two manufacturing facilities in Minneapolis, MN and Rockford, IL. Combine that with our nationwide network of distributors and SMC’s quality workmanship, customer service and competitive pricing are available to everyone.