ELSCO Transformers

ELSCO manufactures and stocks high-quality medium-voltage transformers from 500 – 2500 KVA ratings with 2400 – 34,500 primary voltages. Long before becoming an industry leader in the manufacturing of high-quality transformers, we actually pioneered an entire industry. Our legacy goes back a long way and parallels the history of AC power distribution in the United States. The Electric Service Company (ELSCO) was founded in 1912 when a team of former Westinghouse engineers led by John F. Shoemaker launched the first independent transformer repair facility in the United States. Those engineers repaired and rebuilt the first commercially successful Westinghouse transformers designed by Oliver Shallenberger and William Stanley. Jr. The early power transformers were unreliable, and many failed within a few months, creating a strong demand for repairs and replacements.