| Abbreviation | Definition |
|---|---|
| ADSC | Atlantic Data Services, Inc. |
| ADSK | Autodesk, Inc. |
| ADSN | Advanced Systems International, Inc. |
| ADSP | Ariel Corporation |
| ADST | Adstar.Com, Inc. |
| ADSTW | Adstar.Com, Inc. Warrants |
| ADSX | Applied Digital Solutions |
| ADTC | Advanced Deposition Technologies |
| ADTC | Advanced Deposition Technologies Corporation |
| ADTI | Advanced Display Technology, Inc. |
| ADTK | Adept Technology, Inc. |
| ADTM | Adatom.Com, Inc. |
| ADTMU | Adatom.Com, Inc. |
| ADTMW | Adatom.Com, Inc. Warrants |
| ADTN | Adtran, Inc. |
| ADTX | Advatex Associates, Inc. |
| ADVA | Advanced Medical Products |
| ADVC | Advanced Communications Technology Corporation |
| ADVEE | Adven, Inc. |
| ADVI | Advanced Gaming Technology, Inc. |