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Delta Star, Inc. is the quality manufacturer of medium-power transformers and the premier manufacturer of mobile transformers and mobile substations in the United States.

Delta Star has been providing the industry with quality products for over 100 years and will continue to offer reliable, custom-made products that meet our customer’s economic requirements. In following this vision, Delta Star will continue to be an industry leader in quality, product range, and customer satisfaction.

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Delta Star's transformers are used for secondary load centers, unit substations, distribution services, power substations, and hazardous locations.
Delta Star provides a full range of power transformer services through a highly qualified force of readily available field service engineers and technicians.

Delta Star Introduces North America's Most Advanced Oil Processing Rig

Electrical transformer manufacturer Delta Star unveiled a new rapid response field trailer designed to meet a growing demand for maintenance and repair of key electrical grid facilities nationwide.



Booth #


Feb. 6-7 Doble "Life of A Transformer" 302 Orlando, FL
March 6-8 TechAdvantage 1830 San Diego, CA
May 7-10 IEEE PES 3751 Orlando, FL