Politics and Business magazines
- Ambac Financial Group, Inc.
- Ambassadors International, Inc.
- Amblin Entertainment
- AMCOL International Corporation
- Amcor Ltd.
- AMCORE Financial Inc.
- Amdocs Ltd.
- Amec Spie S.A.
- Amedysis, Inc.
- Amer Group plc
- Ameren Corporation
- América M
- America West Airlines
- America West Holdings Corporation
- America's Car-Mart, Inc.
- American & Efird, Inc.
- American Apparel, Inc.
- American Axle & Manufacturing Holdings, Inc.
- American Banknote Corporation
- American Brands, Inc.