Welders Supply operates the only full service gas laboratory within a 200 mile radius. The specialty gas division, where the gases are mixed and the cylinders filled, tests the gas mixtures to be sure they fall within specified tolerances of composition and pressure.We believe in taking excellent care of our customers with quality products, timely and reliable service, and technical help when needed. It's what keeps us on the leading edge of our industry, with happy customers that keep coming back!.  We continue to use state-of-the-art technology to be the market leader in cylinder tracking, electronic commerce, and other technology based solutions.Our priority is service. If a customer has a need, we keep it in stock!  Over $2 million worth of equipment and supplies are in stock at all times, and the entire inventory includes over 250 welding machines and 500,000 pounds of various welding filler metals.