Exxon Mobil Corporation is a leading international energy company whose subsidiaries have operations in approximately 200 countries and territories. ExxonMobil is one of the largest oil and gas producers and reserve holders in the United States, with a portfolio including Alaska, onshore Gulf Coast and deepwater Gulf of Mexico.
www.exxonmobil.com

TXU Energy is TXU's competitive retail electric provider, or REP. Like other REPs, TXU Energy markets electricity and related services to customers throughout Texas. With more than 2.4 million customers, TXU Energy is the largest deregulated energy marketer in Texas.
www.txu.com