transformer manufacturer step down transformer magnetics TRANSFORMER MANUFACTURER Dyco Electronics is a medium sized transformer manufacturer with a large, modern facility. We have the systems in place to be fast and efficient. Our customer service personnel will respond to your inquiries promptly and courteously. Our materials, management and procurement personnel all work hard to insure that we are a competitive transformer manufacturer. Although you may not recognize our name as a leading transformer manufacturer, you or someone you love may depend on our products. The same is true for us. That is why each and every part we make is packed with quality.