| Company Name | Software Titles |
|---|---|
| Aventail | 6 |
| Ambir Technology | 6 |
| AGS Publishing | 6 |
| Anonymizer | 6 |
| activePDF | 6 |
| AlcorMicro | 7 |
| AdaCore | 7 |
| AB | 7 |
| AG Interactive | 7 |
| Algorithmic Research | 7 |
| ActiveState | 8 |
| Actify | 8 |
| Allscripts Healthcare Solutions | 8 |
| Ashampoo GmbH & KG | 8 |
| AspenTech | 8 |
| AccuWeather | 8 |
| Ask.com | 9 |
| Avocent | 9 |
| Axis Communications | 9 |
| Amazon | 9 |
| Atlas | 9 |
| Atmel | 9 |
| Altium Limited | 9 |
| Add-in Express | 9 |
| Administrator | 9 |
| American Power Conversion | 9 |
| Acez Software | 10 |
| Auslogics Software Pty | 10 |
| AMD | 10 |
| Avery | 11 |
| Astraware | 11 |
| ABBYY | 11 |
| AVerMedia | 11 |
| ActivIdentity | 12 |
| Articulate | 13 |
| ANSYS | 13 |
| Acresso | 13 |
| AJA Video | 13 |
| air-trak.com | 13 |
| Attachmate | 14 |
| AOL | 15 |
| ASUSTeK | 15 |
| Adaptec | 15 |
| ATT | 15 |
| ADP | 16 |
| Applian Technologies | 16 |
| ACD Systems | 17 |
| AccessData | 17 |
| Allume Systems | 17 |
| Avid Technology | 18 |