We provide service to our clients from both our Corporate offices in
Grand Rapids and our Southeast office in Ann Arbor.
693 Plymouth Ave NE
Grand Rapids, MI 49505
Ph: 616.456.5469 or 800.968.TEST (8378)
Fax: 616.456.5784 FAX
4721 Runway Blvd.
Ann Arbor, MI 48108
Ph: 734.619.6868 or 800.968.TEST (8378)
For questions or further information about MTC, please send us an email via the form below.
(MTC respects your privacy and will not share this information with outside sources.)