Jefferson Electric Transformers

Jefferson Electric has supported customers across North America with top-quality magnetic products for over 100 years. Today, we’re the industry’s trusted source for dry-type low- and medium-voltage transformer solutions.

Every item in our broad selection is built to the industry’s highest standards, backed by an ISO-backed quality system, and tested multiple times before leaving the factory. We ensure quick delivery by stocking over 250 standard items across the country. And if your project requires customization, our experienced engineers provide tailored and modified designs to meet your specific requirements for every application.

A Spire Power Solutions company

Spire is your one source for proven power solutions. We bring together the industry’s widest range of transformers and power solutions to serve utility, renewable energy, public power, commercial, and industrial markets across North America. With rapid response times and over 100 years of operations and engineering expertise, Spire delivers a complete range of proven products, services, and support tailored for your success.