MICHIGAN

A&L Systems
25415 Glendale
Redford, MI 48239
Tel: 313-533-7100
Fax: 313-533-7252

D&H Mack/Kenworth
3031 Wyoming
Dearborn, MI 48120
Tel: 313-842-3000

Fax: 313-842-3596

Filter Authority LLC
1300 East Big Beaver
Troy, MI 48083

Toll Free: 800-966-5154
Tel: 248-524-2600
Fax: 248-524-9190

Holland Bus Co.
670 East 16th Street
Holland, MI 49423
Tel: 616-396-1461
Fax: 616-396-1391