Servicio Técnico Especializado
| ALLEN & HEATH | AMPEG | ASHDOWN | ALESIS | BARBETTA |
| BEHRINGER | BOSS | CERWIN VEGA | CRATE | CREST |
| CROWN | DBX | EDIROL | DIGITECH | DOD |
| EVENT | EPIPHONE | EV (ELECTRO-VOICE) | FOCUSRITE | FENDER |
| FOSTEX | FURMAN | GALLIEN KRUEGER | GENERAL MUSIC | GENZ BENZ |
| GIBSON | GUILD | HARTKE | HIWATT | HUGHES & KETTNER |
| JBL | JOHNSON | KAMAN | KAWAI | KORG |
| KURZWEIL | KUSTOM | LANEY | LINE 6 | MACKIE |
| MARSHALL | MESA BOOGIE | M AUDIO | NORD | NUMARK |
| OVATION | PEAVEY | POLYTONE | QSC | RANDALL |
| RANE | RIVERA | ROCKTRON | ROLAND | SAMICK |
| SAMSON | SOUNDCRAFT | STANTON | STUDIOLOGIC | STUDIOMASTER |
| SUNN | SWR | TAKAMINE | TASCAM | TRACE ELLIOT |
| TANNOY |
