2545 Spring Arbor Road, Suite 200
Jackson, Michigan 49203-3690
Email: willis@willispc.com
Phone: (517) 788-8660
Phone: (888) 781-8660
Fax: (517) 788-9872
2759 West River Drive NW
Grand Rapids, Michigan 49544-2013
Email: willis@willispc.com
Phone: (616) 361-0011
Fax: (616) 361-0154
