| Abbreviation | Definition |
|---|---|
| AMCVP | American Classic Voyages Preferred |
| AMDI | Applied Medical Devices, Inc. |
| AMDSE | Advanced Medical Sciences |
| AMEDE | Amedisys, Inc. |
| AMEL | American Energy Group, LTD. |
| AMEN | Crosswalk.com, Inc. |
| AMEP | American Educational Products |
| AMEP | American Energy Production |
| AMEPW | American Educational Products Warrants |
| AMES | Ames Department Stores, Inc. |
| AMESW | Ames Department Stores, Inc. Warrants (delisted) |
| AMFC | A M B Financial Corporation |
| AMFH | American Financial Holdings |
| AMFI | Amcore Financial, Inc. |
| AMFLF | Amcan Minerals, LTD. |
| AMFRE | Amer- First Financial Group |
| AMGN | Amgen, Inc. |
| AMHC | American Healthways |
| AMHD | Ammonia Holdings, Inc. |
| AMID | Amid Technologies |