XXL Energy Corp., a petroleum and natural gas company, acquires, explores, and develops petroleum and natural gas properties in the United States. It owns interests in the Green River Basin and the Pinedale Field located in Wyoming; the Williston Basin situated in North Dakota; and the Piceance Basin located in Colorado. The company was formerly known as Exxel Energy Corp. and changed its name to XXL Energy Corp. in May 2008. XXL Energy Corp. was incorporated in 1987 and is based in Vancouver, Canada.