Delta Star is the largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America. Delta Star has manufacturing locations in Lynchburg, Virginia, San Carlos, California, and Quebec, Canada, as well as a separate field service location in Forest, Virginia. Delta Star provides power solutions for utilities across North America. This includes the manufacturing of medium-power transformers, mobile transformers, mobile electrical substations, trailers, and unitized substations.
