National Oilwell Varco is a worldwide leader in the design, manufacture and sale of comprehensive systems and components used in oil and gas drilling and production, tubular inspection, internal tubular coatings, integrated systems, downhole tools, as well as lifting and handling equipment. National Oilwell Varco also utilizes its integrated global supply chain services to deliver innovative solutions to customer locations worldwide. National Oilwell Varco couples advanced technologies with proven high-quality components, service and technological expertise to provide the single source for all oilfield supply requirements.