Providing electrical services ranging from high voltage work, special equipment wiring, trouble shooting, generator hook ups, high/med voltage tests, switches of any type, and electrical installation. Contact us for more information. St. Thomas & St. John Underground Utilities, LLC is a distinguished professional electrical contracting agent with a vast amount of experience in all administration, management, installation and supervision of commercial underground utilities and industrial electrical systems. Providing electrical services ranging from high voltage work, special equipment wiring, trouble shooting, generator hook ups, high/med voltage tests, switches of any type, and electrical installation. Contact us for more information. St. Thomas & St. John Underground Utilities, LLC has been in business for the past 17 years, and with 50 years of combined electrical experience has made us equipped to handle any type of electrical installation or repair.