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TEL Systems is an employee-owned company with locations in Ann Arbor and Detroit, Michigan.


Established in 1965 as Thalner Electronic Laboratories, Inc.. TEL is a leader in the design, integration and installation of audiovisual, presentation and communication systems.

As the PSNI affiliate for Michigan, TEL Systems provides

engineering, installation, and repair services, as well as

professional and broadcast equipment sales of the highest caliber products in the industry.

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