TECH AIR OF TEXAS: Gas & Alloy Supply Co.


3116 Quebec Street
Dallas, TX 75247

See Map: Google Maps

Hours of operation:
Monday - Friday: 7:00am - 5:00pm
Saturday: closed
Sunday: closed

Phone: 214.905.2001
Fax: 214.905.2904

Sales Contact:
Jeff Palmer,



The Tech Air Companies are proud to welcome Gas & Alloy Supply Company (GASCO) into the Tech Air family! The Tech Air Companies are distributors of medical, specialty, industrial and welding gases and related welding supplies and equipment. We have been providing the highest quality products, outstanding customer service and expert technical support to our customers throughout the United States for decades.

From industrial welding to the easiest fabrication, GASCO has been providing service to the Dallas area for fifteen years and our staff has over a hundred years experience. We supply welding equipment, supplies, services and safety gear for every application. GASCO provides medical gases for hospitals as well as industrial gases to manufacturing. We have a wide range of gases in stock including: Acetylene, Argon, CO2, Helium, Welding Mixtures, High Purity gases including Nitrogen, Helium and Argon, Primary and Certified Gas blends, EPA Protocols Neon, Krypton and Xenon. We stock welding accessories and products from a wide array of suppliers including ESAB, Lincoln, Miller, Victor, Weldcraft and Tillman. We also provide a vast selection of safety products including 3-M respirators, mitts and ear plugs, Wilson welding curtains, Revco and Tillman gloves and clothing, Fibre Metal and Jackson hard hats and face shields and Pyramex eyewear. With our flexible delivery schedules and our bulk tank refill service we strive to keep your stock of gas at optimum levels! Our staff is committed to helping you build a weld you can be proud of!

The Tech Air Companies are a great fit for Gas & Alloy Supply customers because both companies have a similar culture and a relentless focus on customer service instilled through generations of family ownership. Together we have access to all major product lines and many additional resources to help our customers succeed in the market.

After more than seven decades in the industry, we continue to maintain the highest standards so we can provide our customers with "Nothing But the Best" in experience, quality and reliability. We thank you for your business and look forward to serving you in the future.

Please drop by or give us a call today and find out how we can help you do business!