Oncor Electric Delivery
 Oncor Electric Delivery is Texas's largest regulated electric delivery business and the sixth largest in the U.S. It supplies electricity to approximately 7.5 million consumers in a service area of over 400 communities in east west and north-central Texas including Dallas Fort Worth Midland Odessa Killeen Waco Wichita Falls and Tyler. It was formerly known as TXU Electric Delivery and TU Electric.