| Abbreviation | Definition |
|---|---|
| AIRO | Aironet Wireless Communications |
| AIRP | Air Packaging Technology, Inc. |
| AIRS | American Aircarriers Suppliers |
| AIRT | Air T, Inc. |
| AISIE | Aris Industries, Inc. |
| AIVD | Area Investment & Development |
| AJAYL | Ajay Sports, Inc. |
| AJAYP | Ajay Sports, Inc. Preferred |
| AJOY | Ayujoy Herbals, LTD. |
| AKAM | Akamai Technologies, Inc. |
| AKAP | Acap Corporation |
| AKIS | American Kiosk Corporation |
| AKLM | Acclaim Entertainment, Inc. |
| AKPB | Alaska Pacific Bancshares |
| AKRN | Akorn, Inc. |
| AKSY | Aksys, LTD. |
| AKZOY | Akzo Nobel, N. V. |
| ALAB | Alabama National Bancorp of Delaware |
| ALAN | Alanco Technologies |
| ALAO | Alcatel Optronics |