Big State Electric Ltd. has provided electrical construction and services for over 30 years to AT&T. We have completed over 300 plus contracts for electrical construction services to the network of AT&T building in Texas. Our services have included complete electrical service upgrades, generator and automatic transfer switches, rectifier connections, grounding, fire alarm upgrades, HVAC upgrades and annual testing of existing fire alarm systems. We also have completed many build outs and remodels of office space for AT&T administration. These services have all been provided without interruption to the AT&T communications network.