WSI is a manufacturer and distributor of a full line of resistance welding machinery, accessories & consumables, an integrator of robotic Resistance/MIG/TIG welding cells, and has strong capabilities in service, training, welding lab testing & contract engineering. WSI is the industry leader in fastener welding with high-boron steel. WSI is Importer and Master Distributor for the full TECNA line of machinery and balancers. Founded in 2000 by a group of industry veterans, WSI is a global provider of engineered welding solutions and products for a wide array of industries. WSI is a Sustaining Member of the American Welding Society (AWS), the Resistance Welding Manufacturing Alliance (RWMA), & WEMCO, an association of Welding Equip. Mfrs.