WE DELIVER THE SKY! A-OX Welding Supply is a premier specialty gas, industrial gas, and equipment supplier in South Dakota, North Dakota, Minnesota, Iowa, and Nebraska. We feature a state-of-the art ISO/IEC 17025:2017 Accredited gas lab and full-service retail locations across the region. Explore our website to find out ways that A-OX Welding Supply can facilitate all of your specialty gas, industrial supply, and industrial safety needs. FIND A LOCATION NEAR YOU! AUTOMATED FILL PLANT Take a look at our new automated fill plant in the video above. We also feature a certified specialty gas lab for all of your custom gas mixes for scientific, medical, and industrial applications. INDUSTRIES WE SERVE Our specialty gas line serves just about every industry imaginable. Click the link below to find out more. Find Out More → MEDICAL AND LIFE SCIENCE GASES A-OX Welding Supply is one of the region's largest supplier of medical gases. Our ISO 17025:2017and FDA certified gas lab can supply just about any specialty Medical or Life Science gas you might need. We handle everything from small oxygen cylinders to manifold and bulk tank supply and installation. Call A-OX for all of your wholesale medical gas needs! Find Out More → CRYOGENICS The cryogenics experts at A-OX Welding supply can help you find a solution for all of your bulk gas needs, whether medical, industrial, food service, or scientific. Find Out More → FOOD SERVICE GASES We supply a full line of gases for use in food packaging, flash freezing, beverage carbonation, fruit ripening, and shelf-life extension. Find Out More → SPECIALTY GASES A-OX Welding Supply is proud to be associated with PurityPlus®, the largest network of independent specialty gas producers in North America. Find Out More → WELDING SUPPLIES & INDUSTRIAL SAFETY We carry a full line of welding supplies, consumables, and industrial safety products. Find Out More → COMPANY NEWS MERRY CHRISMAS Read More → Dec 24, 2020 A-OX RECORDING TRAINING Read More → Oct 27, 2020 COVID-19 UPDATE Read More → Apr 8, 2020 COVID-19 UPDATE Read More → Mar 19, 2020 UPDATE: ABSOLUTE AIR HAS MADE SOME GREAT PROGRESS, CHECK OUT THE LATEST SITE DEVELOPMENT PICTURES. Read More → Nov 23, 2019 A-OX WELDING SUPPLY CO. INC., 101 N. HARLEM AVE, SIOUX FALLS, SD, 57104, USA(605) 336-1125INFO@AOXWELDING.COM Powered by Squarespace