About

TCI manufactures active (electronic) and passive (magnetic) products to resolve power quality and harmonic issues associated with industrial power conversion. TCI’s experienced staff specializes in developing optimal solutions to achieve IEEE-519 compliance and enhanced motor protection. 

TCI partners with electrical and machinery OEMs worldwide, to offer both stand alone and integrated harmonics mitigation and power quality solutions.  With over 50 years of experience in solving complex power quality problems, TCI has the expertise to design the right solution for you. 

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 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 website for more details.

TCI, LLC
W132 N10611 Grant Drive
Germantown, WI 53022