National Oilwell Varco designs, manufactures and sells the major mechanical components for both land and offshore drilling rigs as well as complete land drilling and well servicing rigs.

The major mechanical components include drawworks, mud pumps, power swivels, SCR systems, traveling equipment and rotary tables. The Company also designs and manufactures a broad offering of downhole products, including drilling motors and specialized drilling tools for rent and sale. National Oilwell Varco also provides distribution services through its network of distribution service centers located in the United States, Canada and near major drilling and production activity worldwide.