Public Utilities & Environment All Categories... Energy Waste Services go Results Found: 5 Button group with nested dropdown Calpine Calpine 717 Texas Ave. Suite 1000 Houston TX 77002 (713) 830-2000 CenterPoint Energy ... CenterPoint Energy 1111 Louisiana Street Suite 1952 Houston TX 77002 (713) 207-2222 Gainsborough Waste / Texas Outhouse Gainsborough Waste / Texas Outhouse 950 McCarty Street Houston TX 77029 (713) 999-6178 Reliant, an NRG Company ... Reliant, an NRG Company 910 Louisiana St Suite 15004 Houston TX 77002 (713) 537-2328 SouthWaste SouthWaste Pump services and Hydro Jetting services to clear plumbing lines Pump services and Hydro Jetting services to clear plumbing lines 6407 Hurst St Houston TX 77008 (713) 490-7940