Diamond Offshore Drilling, Inc. provides contract drilling services to the energy industry worldwide.

As of December 31, 2022, the company operated a fleet of 14 offshore drilling rigs, including four drillships, eight semisubmersible rigs, and two managed rigs.

It serves independent oil and gas companies, and government-owned oil companies. The company was founded in 1953 and is headquartered in Houston, Texas.