Grand Rapids Office (Map)
3355 Evergreen Drive NE
Grand Rapids, MI 49525
t. 616-364-8491
f. 616-364-6955

Cadillac Office (Map)
1202 N Mitchell Street
Cadillac MI 49601
t. 231-468-3456
f. 231-468-3461

Holland Office (Map)
697 Ottawa Beach Road, Suite 2A
Holland, MI 49424
t. 616-394-0200

Kalamazoo Office (Map)
7123 Stadium Drive
Kalamazoo, MI 49009
t. 269-372-1158
f. 269-372-3411

Muskegon Office (Map)
4910 Stariha Drive
Muskegon, MI 49441
t. 231-798-0101
f. 231-798-0337

Traverse City Office (Map)
1220 Airport Access Road
Traverse City, MI 49686
t. 231-946-2394
f. 231-946-0580

Laboratory (Map)
3260 Evergreen Drive NE
Grand Rapids, MI 49525
t. 616-364-7600
f. 616-364-4222