Rex Power Magnetics is a Canadian dry-type transformer design and manufacturing company, headquartered in Concord, Ontario (Greater Toronto Area). Since its humble beginnings in 1972, Rex has quickly emerged as a competitive and innovative supplier of high-quality CSA certified and UL listed power magnetic products for markets in North America and overseas. With over 300 employees, we offer a broad product line including custom dry-type transformers, reactors, other magnetic devices, and related components and services. We distinguish ourselves from the competition by our focus on continual product improvement, responsiveness, and customer service.