800 State Circle

Ann Arbor, MI 48108

Tel (734) 668 1612

Fax (724) 668 6155

130 North Helmer Road

Battle Creek, MI 49015

Tel (269) 965 4005

Fax (269) 965 3263

1655 Steele SW

Grand Rapids, MI 49507

Tel (616) 452 3251

Fax (616) 452 8114

3517 Scheele Drive

Jackson, MI 49201

Tel (517) 787 6650

Fax (517) 787 6544