- 999 - ACDSee Gestionnaire
- ACDSee Photo - AcuRite
- Adam - AEG Electrolux
- AEG Powertools - Aiphone
- AIPTEK - Alcatel-Lucent
- Alden - Alpulon
- Alto - Amplicomms
- AMS - AOC
- AOpen - Aqualung
- AR THERM - Arlo
- Aromacare - ASCOM
- Ascon tecnologic - Asustor
- AT&T - Audio Technica
- Audio-Technica - Autostart
- Auvisio - Avid M-Audio
- Avid MediaCentral - AvMap