Nabors Industries Ltd. engages in the provision of platform work over and drilling rigs. It operates through the following segments: U.S. Drilling, Canada Drilling, International Drilling, Drilling Solutions, and Rig Technologies. The U.S. Drilling segment includes land drilling activities in states and Alaska as well as offshore operations in the Gulf of Mexico. The Canada segment consists of land-based drilling rigs in Canada. The International segment focuses in maintaining a footprint in the oil and gas market, most notably in Saudi Arabia, Algeria, Argentina, Colombia, Kazakhstan, and Venezuela. The Drilling Solutions segment offers drilling technologies, such as patented steering systems and rig instrumentation software systems that enhance drilling performance and wellbore placement. The Rig Technologies segment comprises Canrig, which manufactures and sells top drives, catwalks, wrenches, drawworks, and drilling related equipment such as robotic systems and downhole tools. The company was founded by Clair Nabors in 1952 and is headquartered in Hamilton, Bermuda.