Jonah Energy is an oil and gas exploration and development company headquartered in Denver, Colorado and operating in the Jonah and Pinedale Fields in Sublette County, Wyoming. The company is one of the largest privately held natural gas producers in the US and focuses on producing natural gas in an environmentally responsible manner. Jonah Energy became the first U.S. operator to sign onto and to achieve the gold standard rating for low emissions from the United Nations' Oil and Gas Methane Partnership 2.0, the only comprehensive, measurement-based framework specifically designed for the oil and gas industry. The company is also a member of ONE Future, an organization comprised of 53 companies, representing the entire US natural gas value chain, committed to a performance-based approach to reducing methane emissions.