Started in 1975, American Industrial & Welding Supply is one of the leading distributors of industrial, welding and janitorial supplies in the United States. Based in Muskogee, Okla., it carries over 400,000 products for all types of commercial, industrial and institutional businesses. The company's vast product lines feature complete selection across categories, including welding tools, maintenance and janitorial supplies, warehouse and dock equipment, industrial safety supplies and more. American Industrial & Welding Supply also provides for vendor managed inventory (VMI) and vendor owned inventory (VOI) business models.. Industrial Services