| Abbreviation | Definition |
|---|---|
| ASGN | On Assignment, Inc. |
| ASGR | America Service Group, Inc. |
| ASHE | Asche Transportation Service |
| ASHW | Ashworth, Inc. |
| ASIA | Asiainfo Holdings |
| ASIGF | Ansaldo Signal, N. V. |
| ASILW | Alcohol Sensors International, LTD. Warrants |
| ASILZ | Alcohol Sensors International, LTD. |
| ASIPY | Anangel American Shipholding, LTD. |
| ASIS | A S I Solutions, Inc. |
| ASKJ | Ask Jeeves, Inc. |
| ASMI | A S M International |
| ASML | A S M Lithography Holding Company |
| ASNT | Asante Technology, Inc. |
| ASPC | Aspec Technology, Inc. |
| ASPE | Aspeon, Inc. |
| ASPM | Aspect Medical Systems, Inc. |
| ASPN | Aspen Exploration Corporation |
| ASPT | Aspect Communications |
| ASPX | Auspex Systems, Inc. |