Marathon Oil Corporation is an American independent exploration and production company headquartered in Houston, Texas. Founded in 1887 as The Ohio Oil Company, it began its operations in the oil-rich regions of Ohio, hence the name. Over the years, the company expanded its exploration and production activities across the United States and internationally.

Marathon Oil offers a wide range of products and services related to the exploration, production, and marketing of crude oil and natural gas. Its primary products include crude oil, natural gas liquids, and natural gas. The company operates in several key basins in the United States, including the Eagle Ford, Bakken, and Permian basins, and also has international operations in Equatorial Guinea, Libya, and Iraq.

Marathon Oil has a number of noteworthy subsidiaries, joint ventures, and partnerships. Its subsidiary, Marathon Petroleum Corporation, focuses on refining, marketing, and transportation of petroleum products. The company also has joint ventures with various partners, including Equatorial Guinea's national oil company, Sonagas, and Hess Corporation for activities in the Bakken Formation.

In terms of market position, Marathon Oil is one of the largest independent exploration and production companies in the United States. It has a strong presence both domestically and internationally, with a focus on unconventional resource development. The company competes with other major oil and gas companies in the industry, such as ExxonMobil, Chevron, and ConocoPhillips.

Over the years, Marathon Oil has experienced significant events and achievements. In 2011, the company announced that it would split into two separate entities – Marathon Oil Corporation, focusing on exploration and production, and Marathon Petroleum Corporation, focusing on refining and marketing. This strategic move allowed Marathon Oil to sharpen its focus on its core operations and drive growth.

As of the latest available information, Marathon Oil continues to be a prominent player in the oil and gas industry. The company remains committed to its operations in the United States and internationally, with a focus on capital discipline and shareholder value. It continues to adapt its strategies to the evolving market dynamics and changing energy landscape