| Abbreviation | Definition |
|---|---|
| AAAB | Admiralty Bancorp, Inc. |
| AAABB | Admiralty Bancorp, Inc. Class B |
| AAAC | AutoAuction.com, Inc. |
| AABC | Access Anytime Bancorp, Inc. |
| AACB | Alliance Atlantis |
| AACE | ACE Cash Express, Inc. |
| AADG.OB | Asian Dragon Group |
| AADM | Aarvee Denims & Exports, LTD. |
| AAE | Average Annual Earnings |
| AAGP | Active Apparel Group, Inc. |
| AAII | Applied Analytical Industries |
| AAIR | AirTran Holdings, Inc. |
| AAIR | Avantair, Incorporated (formerly AirTran Holdings, Incorporated) |
| AAL | American Airlines Group |
| AALA | Ameralia, Inc. |
| AALA | Ameralia, Incorporated (de-listed) |
| AALAE | AmerAlia, Inc. |
| AALSE | Armed Alert Security, Inc. |
| AALSE | Armed Alert Security, Incorporated (de-listed) |
| AAMC | American Asset Management Corporation |