| AKG | http://www.akg.com/ |
| APOGEE | http://www.apogeedigital.com/ |
| ASTON MICS | http://www.astonmics.com/ |
| AUDIENT | http://www.audient.co.uk/ |
| APHEX | http://www.aphex.com/ |
| AVATONE | http://www.avantonepro.com/ |
| AUDIX | http://www.audixusa.com/index_12.shtml |
| AUDIO TECHNICA | http://www.audio-technica.com/world_map/ |
| AURALEX | http://www.auralex.com/ |
| ANTELOPE | http://www.antelopeaudio.com/de |
| AVALON DESIGN | http://www.avalondesign.com/index-main.html |