Phone: (800) 933-3959 Ann Arbor Office 6360 Jackson Road, Suite H Ann Arbor, MI 48103 Muskegon Office 6480 Grand Haven Road Muskegon, MI 49441 Map > Traverse City Office 1411 Trade Centre Drive Traverse City, MI 49696 MapĀ Contact Form Your Name (required) Your Email (required) Phone Company Services I'm Interested In: Structural EngineeringGeotechnical EngineeringConstruction Material TestingStructural Steel DetailingLab Testing Your Message