Here at Controller Tech, we are dedicated to you and all your different automotive software needs. We have been leading the automotive industry for over 25 years in developing solutions tailored to meet the needs of our customers.

Our strategy is to listen to our customers and respond promptly with new products, equipment, and services to solve their problems. We do so by expertly harnessing the best practices of our industry to develop cost-effective solutions to a broadening array of customer challenges.


We were founded in 1991 by Daniel J. Marus and introduced the Co-Pilot Data recording device to the Chrysler dealership community. For over 25 years, we have expanded our horizons to include not only many other diagnostic products, but also flash programming (firmware update) products, medical practice management software, e-Prescription software, general software development, project management and consulting services.



(586) 532-8400
750 Letica Drive
Rochester, MI 48307


Saltillo, Coahuila MX