| Abbreviation | Definition |
|---|---|
| AHOM | American Homepatient, Inc. |
| AHPI | Allied Healthcare Products, Inc. |
| AHRLF | Ashurst Technology, LTD. |
| AHTC | A H T Corporation |
| AHWY | AudioHighway.Com |
| AICA | Americorp |
| AICC | Amcare, Inc. |
| AICX | Applied Imaging Corporation |
| AIDAW | Aid Auto Stores, Inc. Warrants |
| AIGI | Adair International Oil & Gas, Inc. (delisted) |
| AIII | Autologic Information International, Inc. |
| AILP | A L P N E T, Inc. |
| AIMH | Aimrite Holdings Corporation |
| AIMM | AutoImmune, Inc. |
| AIND | Arnold Industries, Inc. |
| AINN | Applied Innovation, Inc. |
| AIPN | American International Petroleum Corporation |
| AIREF | A I C International Resources Corporation |
| AIRG | Airtech International Group, Inc. |
| AIRM | Air Methods Corporation |