XTO Energy is an energy company based in Fort Worth, Texas, specializing in the exploration, development, and production of natural gas and oil, particularly from unconventional resources like shale formations. Founded in 1986, the company transitioned from an even split of oil and natural gas production to a predominant focus on natural gas in the early 2000s. In 2010, XTO became a wholly owned subsidiary of ExxonMobil, enhancing its capabilities with ExxonMobil's global resources and technology.

The company is recognized for its expertise in developing shale gas and tight oil resources, utilizing advanced drilling and completion technologies. XTO Energy operates across several U.S. states, including Texas, New Mexico, and Oklahoma, and has a history of acquiring and optimizing undervalued oil and gas properties. Committed to operational excellence and environmental responsibility, XTO has implemented initiatives to reduce methane emissions and contribute positively to local economies.