Nabors Industries Ltd. (Nabors) is a drilling contractor that conducts oil, gas and geothermal land drilling operations in the United States Lower 48 states, Alaska, Canada, South America, Mexico, the Caribbean, the Middle East, the Far East, Russia and Africa. As of December 31, 2009, the Company marketed approximately 542 land drilling rigs. It also operates as a land well servicing and workover contractor in the United States and Canada. The majority of the Company’s business is conducted through its various Contract Drilling operating segments, which include its drilling, workover and well servicing operations, on land and offshore. Its oil and gas exploration, development and production operations are included in the Oil and Gas operating segment. Nabors’ operating segments engaged in drilling technology and top drive manufacturing, directional drilling, rig instrumentation and software, and construction and logistics operations are included in its Other Operating segments.