national tube supply company holds the title as the nation?s largest single-location inventory of hot-finished seamless (hfs) carbon/alloy mechanical tubing, pipe, drawn-over-mandrel (dom) mechanical tubing, and cold drawn seamless (cds) carbon tubing. nts has over 25,000 tons of carbon and alloy tubular products in more than 2,000 sizes and grades. extensive tube-cutting capabilities both in diameter and volume are available. state-of-the-art dom order processing station. nts now stocks suitable-to-hone dom and cds, honed dom and cds, chrome-plated piston rod stock and ductile iron bars. located just south of chicago, nts uses a fleet of 10 trucks to cover the midwest. a network of flatbed carriers deliver to the balance of north america.*national tube supply has the stock, precision-cutting service and the ability to deliver when you need it. that is why nts is second to none in the tubing industry.*