| AKAI |
| AKG |
| Allen & Heath |
| Alphaton |
| Altmann |
| Aphex |
| Apple |
| Audio Technica |
| Axxent |
| BSS |
| Belden |
| Beyerdynamic |
| CAMCO |
| Compulite |
| Crown |
| d&b audiotechnik |
| D.A.S. |
| dbx |
| DENON |
| Drawmer |
| Genie |
| INDU-ELECTRIC |
| Klark |
| Klotz |
| Leoni |
| Lexicon |
| MA |
| Major |
| Manfrotto |
| Midas |
| Neumann |
| Pioneer |
| Prolyte |
| Roland |
| Sabine |
| Schertler |
| Schnakenberg |
| Schoeps |
| Sennheiser |
| Shure |
| Smoke-Factory |
| Sony |
| Soundcraft |
| Soundlab |
| Soundtracs |
| STROMSTOSS |
| Technics |
| tc |
| Tascam |
| Yamaha |
