Olsun Electrics | Dry Type Transformer Manufacturer | Worldwide Supplier Information

75 Years of Engineering Excellence ***Made in the USA*** Delivered Worldwide Olsun Electrics is the industry’s most trusted partner for custom dry-type transformers. We provide precision-engineered, high-quality power solutions designed to exceed the expectations of the most demanding industries. While others prioritize "one-size-fits-all" assembly lines, Olsun thrives in complexity. We specialize in High-Mix, Low-Volume (HMLV) manufacturing, offering a level of design flexibility and technical consultation that competitors cannot match. From specialized industrial applications to critical infrastructure, our products are engineered to perform and built to endure. Our Legacy Established in 1950 in the Chicago area, Olsun quickly expanded to include power/distribution transformers and reactors. Since the 1960s, we have continuously served major OEM accounts and provided brand-labeling for several leading broad-line electrical manufacturers—a testament to our reliability and technical precision. Why the Industry Chooses Olsun: Unmatched Customization: We don't just sell transformers; we design solutions. Our Sales and Engineering teams work directly with clients to meet unique specifications, footprint constraints, and environmental challenges. American Craftsmanship: We take immense pride in our "Made in the USA" manufacturing and domestic quality standards. Certified WBE: Olsun Electrics Corporation is a National Women's Business Enterprise (WBE), helping our partners meet diversity goals without compromising on engineering excellence. Agility & Capability: We offer the personalized service of a private company with the manufacturing ability of a global supplier. When an off-the-shelf solution won’t do, Olsun Electrics is THE choice for your specific transformer needs. Choose Quality. Choose Reliability. Choose Olsun.