National-Oilwell Varco, Inc
An American international company National Oilwell Varco (NOV) is a leading producer and provider of equipment for oilfield services, oil and gas production operations and supply chain integration services. The company performs its services in over 1,200 locations globally. National Oilwell Varco operates in three segments, including Wellbore Technologies, Rig Systems, Completion and Production Solutions. The company manufactures all types of heavy hardware for oil well drilling. Traded on the NYSE, National Oilwell Varco is included to the S&P 500 component.