WNCO Valve International is a privately owned company that specializes in the manufacture and sale of industrial valves. The company is headquartered in Odessa, Texas and has operations around the world. WNCO Valve International offers a broad range of valves, such as drill stem valves, one-piece kelly valves, as well as a number of specialty applications. The company also provides services such as valve repair and maintenance services. WNCO Valve International is committed to providing high-quality products and