custom magnetics autotransformer current transformer CUSTOM MAGNETICS Many of Dyco Electronics' custom magnetics and transformer products are used for military and commercial capabilities such as critical military applications, and with companies from several areas of the railroad industry. Welcome to Dyco Electronics, a 53-year-old custom magnetics house grown on the simple principle of serving our customers' needs. We own and occupy a 25,000-sq. ft. manufacturing facility that was built in 1979. We are a 3 million-dollar a year company with 65 employees. However, we currently only utilize 1/3 of our single shift manufacturing capacity. We are poised for substantial growth!