Praxair Distribution, Inc., a subsidiary of Praxair, Inc., Danbury, CT, has acquired Wilson Welding & Medical Gases of Warren, MI. Wilson is a distributor of industrial, medical, specialty gases and related equipment and supplies.   ; Wilson operates a cylinder filling plant and retail store in Warren, retail stores in Macomb and Pontiac, and a beverage CO2 business in Flint, Michigan. The business generated sales of $20 million in 2006 and has 72 employees.   ; Praxair, Inc. is a global industrial gases with 2006 sales of $8.3 billion. The company produces, sells and distributes atmospheric and process gases, and high-performance surface coatings. Praxair products, services and technologies bring productivity and environmental benefits to a wide variety of industries, including aerospace, chemicals, food and beverage, electronics, energy, healthcare, manufacturing, metals and others.