| D&R | http://www.d-r.nl/ |
| FOSTEX | http://www.fostexinternational.com |
| GLENSOUND | http://www.glensound.co.uk/ |
| MARENIUS | http://www.marenius.com/ |
| SONIFEX | http://www.sonifex.co.uk |
| SOUNDCRAFT | http://www.soundcraft.com |
| SQN | http://www.sqn.co.uk/ |
| SSL | http://www.solidstatelogic.com/ |
| STUDER | http://www.studer.ch/ |
| YAMAHA | http://www.yahamaproaudio.com |