A
- ACD.net
- Affinia Group
- Airflow Sciences Corporation
- Ally Financial
- Altair Engineering
- Alticor
- Alpena Power Company
- American Axle
- American Laser Centers
- American Seating
- American Specialty Cars
- Amway
- Arbor Networks
- Arcadia Brewing Company
- Art Van Furniture
- ArvinMeritor
- Asset Acceptance Capital Corp.
- Auto-Owners Insurance
Read more about this topic: List Of Michigan Companies