Seadrill Limited, an offshore drilling contractor, provides offshore drilling services to the oil and gas industry worldwide. The company operates in three segments: Floaters, Jack-up Rigs, and Other. The Floaters segment offers drilling, completion, and maintenance services for offshore exploration and production wells. Its drilling contracts relates to semi-submersible rigs and drill ships for harsh and benign environments in mid, deep, and ultra-deep waters. The Jack-up Rigs segment provides drilling, completion, and maintenance services for offshore exploration and production wells. Its drilling contracts relate to jack-up rigs for operations in harsh and benign environment. The Other segment offers management services to third parties and related parties. As of March 31, 2018, the company had a fleet of 35 offshore drilling units that consisted of semi-submersible rigs, 7 drill ships, and 16 jack-up rigs. It serves oil and gas exploration and production companies comprising integrated oil companies, state-owned national oil companies, and independent oil and gas producers. Seadrill Limited was founded in 2005 and is headquartered in Hamilton, Bermuda.