Politics and Business magazines
- AMREP Corporation
- Amscan Holdings, Inc.
- Amsted Industries Incorporated
- Amsterdam-Rotterdam Bank N.V.
- AmSurg Corporation
- Amtran, Inc.
- AMVESCAP PLC
- Amy's Kitchen Inc.
- Amylin Pharmaceuticals, Inc.
- Anaheim Angels Baseball Club, Inc.
- Analex Corporation
- Analog Devices, Inc.
- Analogic Corporation
- Analysts International Corporation
- Analytic Sciences Corporation
- Analytical Surveys, Inc.
- Anam Group
- Anaren Microwave, Inc.
- Anchor Bancorp, Inc.
- Anchor Brewing Company