| Oak Lawn Records |
MCL (Micro Chip League)
|
| OBUH Records |
Spear
, Job Karma
|
| Oceana Records |
Numb
|
| OCT Recordings |
Puissance
|
| October |
Statemachine
|
| Odd Size |
Thomas Dimuzio
, Maybe Mental
|
| Off Beat |
New Mind
, Cyan
, Front Line Assembly
, Dorsetshire
, Project Pitchfork
...
|
| Oktagön |
Ornament
|
| Old Europa Cafe |
Telepherique / K2
, Ain Soph
, Black Sun Productions
...
|
| Oliphant Arts |
Maybe Mental
|
| On Oath |
Arditi
|
| One Little Indian |
Sleeping Dogs Wake
, Shamen
|
| Only Records |
Various Artists
|
| onpa))))) |
Hecq
|
| Operator Produkzion |
SudanStrain
|
| OPN |
Babylone Chaos
|
| OR |
Gescom
|
| Origo Sound |
Biosphere
|
| Oskorei Music |
Eonic
|
| Our Choice |
Einstürzende Neubauten
, Bargeld, Blixa
, Die Krupps
, Einheit, F.M.
...
|
| Out Of Line |
CombiChrist
, Signal Aout 42
, Tumor
, God Module
, UnterART
...
|
| Outpost Recordings |
Crystal Method
|
|
