National Oilwell Varco is one of the world s leading companies that specializes in the design, manufacture and sales of systems and components used in oil and gas drilling and production. The company provides oilfield tubular inspection and coating services. It also offers supply chain integration services to the upstream oil and gas industry. National Oilwell Varco serves land and semisubmersible rigs worldwide. The company supplies a range of downhole, lifting and handling equipment. It manufactures and sells mechanical components, such as traveling equipment, mud pumps, power swivels and rotary tables. National Oilwell Varco markets its products under the Aktro, Anson, BLM, Mono, Shaffer and UNIFLEX brand names.