M&M Manufacturing Company is a diversified sheet metal fabricator of round, rectangular, and spiral HVAC duct pipe and fittings for residential and commercial applications. M&M also offers general sheet metal products for roofing, ventilating, and architectural applications. M&M provides superior quality products with outstanding service, creating satisfied customers. From a two-person shop in 1958 to today's five technologically advanced manufacturing units, M&M has developed a reputation for reliability and service. Whether it's prefabricated duct, custom HVAC sheet metal products, or precision tolerance sheet metal fabrications, M&M has it. M&M Manufacturing has a location in Garland, Texas.