A
- AAMP of America 3
- ACT 2
- Accelevision 647
- Advent 7
- Alcohawk 2
- American International 8
- American Terminal 68
- Anderson 3
- Apple 2
- Aputure 2
- Aquatic 1
- Arkon 3
- Artec 1
- Atlantic 1
- Atrend 55
- Atrend-Bbox 69
- AudioControl 12
- Audiobahn 2
- Audiopipe 84
- Audiovox 1305
- Autopro 9
- Autotek 44
- Axess 33
- Axion 8
- Axxess 269