Energy Services/Broker go Results Found: 3 Button group with nested dropdown Reliant, an NRG company Reliant, an NRG company 2745 Dallas Pkwy. Ste. 200 Plano TX 75093 (469) 277-4083 Platinum Member ONCOR Electric Delivery 777 Main St. Ste. 700 Fort Worth TX 76102 (817) 215-5588 Silver Member Atmos Energy 2000 Reliance Pkwy. Bedford TX 76021 (888) 286-6700