| Abbreviation | Definition |
|---|---|
| ABRG | Ambra Resources Group, Inc. |
| ABRI | Abrams Industries, Inc. |
| ABRI | Abrams Industries, Incorporated |
| ABSC | Aurora Biosciences Corporation |
| ABTE | Able Telecom Holding Corporation |
| ABTEE | Able Telcom Holding Corporation |
| ABTL | AutoBytel.Com |
| ABUY | Amerinet Group. Com, Inc. |
| ABWG | A B Watley Group, Inc. |
| ABYB | Amboy Bancorp |
| ACAC | Arkansas Casino Corporation |
| ACAD | Acadia Group, Inc. |
| ACAI | Atlantic Coast Airlines, Inc. |
| ACAJ | Pacific Coast Apparel Company |
| ACAS | American Capital Strategies, LTD. |
| ACAT | Arctic Cat, Inc. |
| ACCC | A C C Corporation |
| ACCR | Access Power, Inc. |
| ACCT | Argent Capital Corporation, N. V. |
| ACDO | Accredo Health, Inc. |