Rowan Cos., Inc.
Rowan Cos., Inc. provides international and domestic offshore contract drilling services. It focuses on high-specification and premium jack-up rigs, which are used for exploratory and development drilling and, in certain areas, well workover operations. Rowan conducts offshore drilling operations in various markets throughout the world including the Middle East, the U.S. Gulf of Mexico and the North Sea, among others. The company was founded by Charlie Rowan and Arch Rowan in 1923 and is headquartered in Houston, TX.