IWDC Member Tech Air, headquartered in Danbury, Connecticut is proud to announce that it has acquired US Oxygen Supply, Arlington, Texas. USOS is a leader in the industrial, specialty, medical gas, and welding supply industry in the Dallas/Ft. Worth Metroplex. US Oxygen Supply brings over 100 years of industry experience to the Tech Air Companies portfolio, providing a superior, customer service-oriented company in the Arlington, Texas area and surrounding markets.