Trench Limited, a branch of the Trench Group, has been a supplier of air core reactors for the electric power industry since first opening in 1962. Located in the Toronto area, we have evolved into a world leader in the electric coil industry, demonstrating flexibility with every project and complying to the strictest standards of quality. In addition to coil products, our catalog features instrument transformers and bushings, all with varying voltage levels. Our portfolio can be viewed in full on our website. Contact Trench today for further inquiries!