Electrical repairs and installation of electronic communications systems comprised of computer hardware and software for the transmission of data between two points, telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols, intercoms, radios, computer hardware and software system for tracking people, objects and pets using GPS data on a device on the tracked people, objects and pets, televisions, closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders, electric and electronic video surveillance installations, access control and alarm monitoring systems and paging equipment; all of the foregoing for the medical industry