Keystone Machine Inc Competitors

M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air distribution 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

Duke Manufacturing Co. designs and manufactures more than 4,500 foodservice equipment products for a wide-range of clients located across the U.S. and around the world. From our humble beginnings in 1925 as a manufacturer of the first waterless hot food well, Duke has become the preferred solutions provider for fast-paced, demanding businesses like global QSR brands, C-stores, casual dining chains and institutions such as K-12 school districts. We design and build our products at state-of-the-art manufacturing plants in St. Louis and Sedalia, Missouri, incorporating Six Sigma, Lean Manufacturing and 5S programs, that along with our ISO 9001:2000 certification, help ensure that the highest levels of quality are reflected in our products and services. In addition, we serve markets worldwide through 6 global sales offices and distribution centers, as well as maintain a factory-authorized service network consisting of 200 locations that support the US, Canada and 85 International service/support centers.

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