SiEnergy Share: Utility Companies SiEnergy 13215 Bee Cave Pkwy Galleria Oaks Bldg. B, Ste. B-250 Bee Cave, TX 78738 (512) 261-4152 About Map About Natural gas utility04/08 employee count change from 10 to 11 - dues change. What's Nearby? Distance: 5 10 15 20 25 50 mi.