| Company Name | Software Titles |
|---|---|
| Acoustica | 4 |
| ACP | 2 |
| ACPA | 1 |
| ACPPA | 1 |
| Acqualia Software | 1 |
| Acquire | 1 |
| Acresso | 13 |
| Acro Software | 5 |
| Acrobat.com | 2 |
| AcroChallenge | 1 |
| Acronis | 60 |
| Acroprint | 2 |
| ACS | 1 |
| ACS MIDAS+ | 2 |
| ACT | 3 |
| ACT Conferencing | 1 |
| Act-3D B.V. | 2 |
| Actelis Networks | 1 |
| Actify | 8 |
| Action Poker Gaming | 1 |
| Actiontec Electronics | 2 |
| ACTIV Software | 5 |
| Activcard | 2 |
| ActivCard S.A. | 2 |
| Active Data Recovery Software | 3 |