Praxair Distribution, Inc., Danbury, CT, a subsidiary of Praxair, Inc., has agreed to buy Mittler Supply Inc., distributor of industrial, medical, specialty gases and related welding equipment and supplies, operating in Indiana, Michigan and Illinois. Mittler had sales of $73 million in 2006 and has 210 employees.

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Founded in 1946, Mittler operates a cylinder-gas fill plant, specialty-gas laboratory and a centralized warehouse for distribution of welding equipment and supplies at its headquarters located in South Bend, IN. The firm also operates several satellite cylinder-gas fill plants and 18 retail sales and distribution locations in the three states.

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“The addition of Mittler Supply to our existing network in the Great Lakes …