About Us

TCI is an electronics manufacturer specializing in products and services which improve power quality and efficiency in commercial/industrial settings. Our broad catalog of power quality solutions is recognized as one of the most comprehensive in the industry. Based in Germantown, Wisconsin, TCI partners with well known drives and controls manufacturers worldwide, to offer both stand alone and OEM integrated harmonics mitigation and power quality solutions to customers seeking superior value and performance in their power conversion processes.


Trans-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.

Over the years our distributor and manufacturer’s representative network has spread across North America.  Our mission remains to be the supplier of choice for products and support that increase the value and improve the overall system performance of electronic power conversion processes. 



TCI has achieved ISO 9001:2008 certification, recognizing that the company's quality management system meets criteria developed by the International Organization of Standardization of Geneva, Switzerland. This registration covers the Quality Management System for design and manufacture of peripheral products and services for the electronic power conversion industry. Visit the ISO web site for more details.

 AMTec  ANAB Accredited


W132 N10611 Grant Drive
Germantown, WI 53022
414.357.4480 Fax 414.357.4484

Helpline 800.824.8282




Copyright© 2017 TCI, LLC     Tel. (414) 357-4540     Fax. (414) 357-4484     W132 N10611 Grant Drive, Germantown, WI 53022
This site is powered by the Northwoods Titan Content Management System


Follow us on LinkedIn Follow us on YouTube Follow us on Google+