Marathon Oil Corporation operates as an independent exploration and production company in the United States and internationally.

The company engages in the exploration, production, and marketing of crude oil and condensate, natural gas liquids, and natural gas; and the production and marketing of products manufactured from natural gas, such as liquefied natural gas and methanol.

It also owns and operates central gathering and treating facilities; and the Sugarloaf gathering system, a 42-mile natural gas pipeline through Karnes and Atascosa Counties.

The company was formerly known as USX Corporation and changed its name to Marathon Oil Corporation in December 2001.

The company was founded in 1886 and is headquartered in Houston, Texas.