Nabors Industries Limited operates in the Drilling oil and gas wells sector. Nabors Industries Ltd. (Nabors) is a land drilling contractor and a land well-servicing and workover contractor in the United States and Canada. As of December 31, 2010, the Company marketed approximately 550 land drilling rigs for oil and gas 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, 2010, the Company marketed approximately 555 rigs for land well-servicing and workover work in the United States and approximately 172 rigs for land well-servicing and workover work in Canada. On September 10, 2010, the Company acquired Superior Well Services, Inc. (Superior). On December 31, 2010, the Company purchased the business of Energy Contractors LLC (Energy Contractors). In our complete report available for purchase the company is compared to: Noble Corporation, Diamond Offshore Drilling, Inc. and Helmerich & Payne, Inc..