Traverse City
8300 M-72 East
Williamsburg, MI 49690
Phone (231) 267-5060
Fax (231) 267-5257

 Northeast Detroit
65809 Gratiot Avenue
Lenox, MI 48050
Phone (586) 727-7502
Fax (586) 727-7311

Grand Rapids
600 44th Street S.W.
Grand Rapids, MI 49548
Phone (616) 538-2400
Fax (616) 538-0449

Lansing
3600 N. Grand River Avenue
Lansing, MI 48906
Phone (517) 321-8000
Fax (517) 321-4191

Saginaw
4600 AIS Drive
P.O. Box 253
Bridgeport, MI 48722
Phone (989) 777-0090
Fax (989) 777-1583

AIS Engines
4781 Clay Avenue S.W.
Grand Rapids, MI 49548
Phone (616) 531-1200
Fax (616) 531-4463