TCI Trans-coilTrans-coil, Inc. was founded in 1961 in Milwaukee, Wisconsin.  Over the past 40 plus years we have changed our name to TCI, LLC, upgraded our manufacturing system with Quick Response Manufacturing (QRM) and added an Electronic Product Division to expand our harmonic mitigation products and solutions.

Today TCI employs over 100 people and is continuously growing in sales revenue.  We aggressively pursue the development of new products enabling us to remain technically superior in the marketplace.

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