The most trusted choice in custom dry type transformers, Olsun Electrics has been providing valuable design and quality manufacturing of reliable products for over 65 years...right here in the USA but delivering products worldwide! On October 28, 2019, Olsun Electrics Corporation successfully met Women's Business Enterprise (WBE) qualifications and was awarded the National Women's Business Enterprise Certification. Olsun Electrics was established in 1950 to serve the electronics industry in the greater Chicago area. The product scope quickly expanded to include power and distribution transformers and reactors. Initially, the company concentrated on serving original equipment manufacturers (OEMs) and brand label opportunities. We have successfully served various OEM transformer accounts continuously since the 1960’s. Brand labeling of Olsun American transformers for several leading broad line electrical manufacturers remains an important segment of our business as well. Olsun Electrics is THE choice for your specific transformer needs when an off the shelf solution just won't do. Choose Quality. Reliability. Value...Choose Olsun.