Public Utilities & Environment All Categories... EnergyUtilities go Results Found: 3 Button group with nested dropdown Texas Gas Service Company Harlingen TX 78553 (800) 700-2443 AEP Texas 540 S. Kansas Ave. Weslaco TX 78596 (956) 626-2649 Magic Valley Elec. Co-Op 2200 W 2nd St, Mercedes TX 78570