Theco has specialized experience in high voltage underground and overhead distribution work. We operate at voltages up to 15kv. Our work history has been diversified ranging from private work for customers, as well as state and federal projects. We can offer a wide range of services, such as underground distribution, transformers, high voltage switches, substation, bucket truck work, overhead line construction, pole work, sectionalizers, manholes, hot work, power change over, upgrades, and maintenance -just to name a few. Theco has done many high voltage projects on air force bases both above and below ground. Theco is properly equipped to handle most any task.