M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air dis ... tribution and ventilation market. M&M provides a comprehensive range of round, rectangular, oval and spiral ductwork, fittings and accessories for residential and commercial construction. In 2016 M&M acquired Snappy™ Metal Products which manufactures HVAC sheet metal duct and accessories. Snappy serves customers in the Midwest and Northeast United States. www.snappyco.com read more