Central Tube and Bar, Inc. is a leading supplier and processor of high quality, prime tube and bar products including round, ... rectangular and square tube. We serve OEMs, fabricators and service centers in eight South Central states from our ISO 9001:2015 certified facilities in Conway, AR and Tulsa, OK. Our state-of-the-art equipment, including precision tube lasers, coupled with our value-engineering capability allows us to solve difficult quality and manufacturability challenges for our customer-partners. read more