Since 1933 Niagara Transformer Corporation has been designing and manufacturing transformers in Buffalo, New York. They have shipped over 75,000 transformers to 90 different countries in their 85+ year history. Their products comply with IEEE Standards and government standards practiced throughout the world. Their customers include OEM and engineering, procuring and construction (EPC) firms, as well as end-users in private industry, government, utilities, universities, and others. Their diverse product line includes inverter duty transformers, substation collector transformers, step-up collector transformers, grounding transformers, and load tap changing transformers. Base ratings up to 50MVA, 138kV, and 650kV BIL.
Niagara Transformer Corporation | http://www.niagaratransformer.com