| 01 Communique |
| 2ndSite Inc. |
| 3am Labs |
| 3Com |
| 3X Systems |
| 6fusion International |
| ACR2 Solutions, Inc. |
| ACS |
| ADTRAN, Inc. |
| Advanced Micro Devices - AMDEdit |
| AdventNet, Inc. |
| AEP Networks |
| Agility Recovery Solutions |
| Ai Metrix |
| AirDefense |
| Aladdin |
| Alcatel |
| Alert Logic, Inc. |
| Alianza |
| AllSecure Networks, Inc. |
| Altiris |
| AmbironTrustWave |
| Anchiva Systems, Inc. |
| APC |
| Apparent Networks |
