Welders Supply specializes in distributing welding equipment, gases, and supplies. 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. 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. The precisely controlled and monitored electronic procedure for gas analysis includes chromatograph, infrared, paramagnetic, chemiluminescence, and gravimetric measuring, and technologically sophisticated computerized record keeping.