| A | B | C | D | E | F | G | H | I | J | K | L | M | N |
| O | P | Q | R | S | T | U | V | W | X | Y | Z |
| O | P | Q | R | S | T | U | V | W | X | Y | Z |
| label | Artyści | year |
|---|---|---|
| Oasis Records (4), Atlantic | 1981 | |
| Obliteration Records | 1995 | |
| Oblivion (2) | 2005 | |
| Oblivion (2), SPV GmbH | 2011 | |
| Obscene Productions | 1998 | |
| OBUH Records | 2010 | |
| Occultum Production | 2013 | |
| Ocean Company S.A. | 1997 | |
| OctoArts EMI | 1995 | |
| Odeon | ||
| ODIC Production | 1990 | |
| Odium Records (2) | 2000 | |
| Oficyna Biedota | 2010 | |
| Old Europa Cafe | 2011 | |
| Old Gold (2) | 1987 | |
| Old Temple | 2008 | |
| On Parole Productions | 2014 | |
| Opaline Records | 1999 | |
| Open Sources | 2007 | |
| Orcynia Records | 2012 |
