National Oilwell Varco

National Oilwell Varco Inc. is a U.S. company based in Houston, Texas.

National Oilwell Varco was established in 2005 through a merger of National Oilwell Varco and to National Oilwell Varco. The company is engaged in oil exploration and oil field service. National Oilwell Varco is a worldwide leader in the development, manufacture and sale of equipment and components in oil and gas drilling operations that are used in the provision of oilfield services. The company employs about 50,000 people (as of 2011) and has 600 locations worldwide. National Oilwell Varco is listed on the stock index S & P 500.

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