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Jefferson Electric has manufactured dry-type transformer products since 1915. We provide quality products to the commercial, industrial and OEM marketplace. Our experienced design engineers are ready to create the custom products you require.


Jefferson Electric is a part of the Pioneer Dry Type Transformers group. By combining our design and manufacturing efforts we are able to reduce costs, gain productivity and share experience to inform our designs.

Bemag is our partner in Farnham, Quebec. With a complete sales office and warehouse for prompt delivery of product, we are able to serve our customers all across Canada.

The developers of a patented Harmonic Suppression System (HSS) joined the group to bring this specialty solution to reduce usage and costs in buildings where there are non-linear loads.

The Pioneer Dry Type Group recently formed a solid network of sales representatives with knowledge specifically in industries that require larger voltages.