Utility Companies go Results Found: 6 Button group with nested dropdown Atmos Energy 3697 Mapleshade Ln. Plano TX 75075 (214) 206-2813 Oncor 7309 Frankford Road Dallas TX 75252 (972) 985-2066 Charter Communications 750 Canyon Drive Suite 500 Coppell TX 75019 (972) 830-3877 Reliant, an NRG Company 2745 Dallas Parkway Suite 200 Plano TX 75093 (469) 277-4083 Richardson Ready Electric, Inc. Richardson Ready Electric, Inc. 620 N. Interburan Street Richardson TX 75081 (972) 234-5092 Energy Choice Experts Energy Choice Experts 10228 Northwest Hwy #11 Dallas TX 75238