About us. J&G Electric was founded in 1962 by John and Geneva Gwartney. Their first project was wiring missle silos across the Southwest. From there, the business grew into a 2nd generation company with over 50 employees specializing in Residential, Commercial, and Industrial electrical services as well as a Low Voltage department offering Commercial Data Communication, Notification, Fire Alarm, Intrusion, Access control, and Surveillance system ...