Diamond Offshore Drilling, Inc. provides contract drilling services to the energy industry worldwide. As of December 31, 2023, the company operated a fleet of 13 offshore drilling rigs, including four drillships, seven semisubmersible rigs, and two managed rigs. It serves independent oil and gas companies, and government-owned oil companies. Diamond Offshore Drilling, Inc. was founded in 1953 and is headquartered in Houston, Texas.