- A&E - ACDSee Photo
- ACDSee Video - Adam
- Adam Equipment - AEG Powertools
- Aeg-Electrolux - AIPTEK
- Air And Me - Alden
- Aldes - Alto
- Altrad - AMS
- AMSTA - AOC
- AOpen - Aqualung
- AR THERM - Arlo
- Aromacare - ASCOM
- Ascon tecnologic - Asustor
- AT&T - Audio Technica
- Audio-Technica - Autostart
- Auvisio - Avid M-Audio
- Avid MediaCentral - Axxion
- AYA - Azzuri