"At our core, Niagara Transformer has the best people, taking on the toughest engineering challenges with the highest quality and the shortest lead times." - John F. Darby, President

Power transformers for service in the most extreme conditions and demanding applications anywhere in the world.


The Niagara Transformer Corp. manufactured its first transformer in 1933 and continues to design, build and service power transformers to meet specialized needs for difficult applications. We provide a single source for all types and ratings of liquid-filled, dry-type, VPI, and cast-coil transformers.


Our products comply with applicable industry and government standards practiced throughout the world. Our customers include large original equipment manufacturers (OEM) and engineering, procuring and construction (EPC) firms, as well as end-users in private industry, government, utilities, universities, and others.


The strength of Niagara Transformer is flexibility and responsiveness combined with vast experience and technical capability. Whether providing standard products or engineered-to-order designs, we are dedicated to ensuring that the customer has the best transformer for the application. No matter how demanding the conditions. No matter where in the world.