| Name of music label | country | Seat | founder | Year-from | Year-up | Label code | Website | Mother label | Details |
|---|---|---|---|---|---|---|---|---|---|
| Oasis (record label) |
Germany |
Giorgio Moroder | 1975 | 1983 | |||||
| Obese Records |
Australia |
Ollie Bobbitt | 1995 | Warner Music Group | |||||
| Oblivion Records |
United States |
Tom Pomposello and Fred Seibert | 1972 | ||||||
| OBR records |
United States |
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| Obscure Abhorrence Productions |
Germany |
Seesen | 2003 | ||||||
| Obsessions |
Netherlands |
Black Sun Recordings | |||||||
| Octone Records |
United States |
James servant | 2000 | 2014 | Relaunched in 2007 as A & M / Octone | ||||
| Odd Future Records |
United States |
Tyler, The Creator | 2011 | Sony Music | |||||
| Ode Records |
United States |
Lou Adler | 1967 | 1989 | |||||
| Odeon (record label) |
Germany |
Frederick M. Prescott | 1903 | Universal Music Group | |||||
| Odin Records |
Norway |
1981 | 1993 | ||||||
| OehmsClassics |
Germany |
Dieter Oehms | 2003 | OehmsClassics Musikproduktion GmbH | |||||
| Oedipus Records |
United States |
Gabe Abaud, Patrick Enzor and Micheal Corso | 2002 | ||||||
| Off beat |
Germany |
1993 | WestCom Neue Medien Tonträger- Produktions- und Vertriebs GmbH | ||||||
| Off Centaur Publications |
United States |
Teri Lee, Jordin Kare, and Catherine Cook | 1980 | ||||||
| Offshore music |
Switzerland |
Andy Prince | 2004 | LC 13481 | Andy Prince Publishing | ||||
| Og Music |
Canada |
Tony Dewald and Gerard van Herk | 1983 | ||||||
| Oglio Records |
United States |
Carl Caprioglio | 1993 | Oglio Entertainment | |||||
| Ogopa DJs |
Kenya |
Francis Bikedo and Lucas Bikedo | 1990s | ||||||
| Ogun (record label) |
United Kingdom |
Hazel Miller, Harry Miller and Keith Beal | 1974 | ||||||
| Ogun Records |
United Kingdom |
London | Harry Miller, Hazel Miller and Keith Beal | 1973 | |||||
| Oh boy records |
United States |
Nashville | John Prine, Al Bunetta and Dan Einstein | 1981 | |||||
| Ear (record label) |
Germany |
Peter Meisel and Rolf-Ulrich Kaiser | 1969 | 1973 | |||||
| Oi! the boat records |
United States |
Lafayette | 2007 | ||||||
| Okeh Records |
United States |
Otto KE Heinemann | 1918 | 1970 | |||||
| Okka disk |
United States |
Bruno Johnson | |||||||
| Old Europa Cafe |
Italy |
Pordenone | Rodolfo Protti | 1983 | |||||
| Old Homestead Records |
United States |
Brighton (Michigan) | John W. Morris | 1971 | 2014 | ||||
| Old Town Records |
United States |
Hyman Weiss | 1953 | 1966 | |||||
| Oldies-33 |
United States |
1963 | Vee-Jay Records | ||||||
| Oldies-45 |
United States |
1963 | Extinguished | Vee-Jay Records | |||||
| Oliver Sudden Productions |
Canada |
Montreal | Paul Etch | 1993 | |||||
| Olivia Records |
United States |
Judy Dlugacz | 1973 | 1988 | |||||
| Om Records |
United States |
San Francisco | Chris Smith | 1995 | |||||
| Omaha Records |
Germany |
Gisbert zu Knyphausen | 2005 | ||||||
| OmniTone Records |
United States |
Frank Tafuri | 1999 | ||||||
| Omnivore Recordings |
United States |
los Angeles | 2010 | ||||||
| On Ramp Records |
Canada |
Saskatoon | Louis O'Reilly | 2005 | |||||
| OnClassical |
Italy |
2003 | |||||||
| Ondine |
Finland |
Helsinki | Reijo Kiilunen | 1985 | |||||
| One big spark |
United States |
Virb Inc. | East West Records | ||||||
| One Eleven Records |
United States |
Brad Fischetti | 2002 | ||||||
| One Little Indian Records |
United Kingdom |
Derek Birkett, Sue Birkett and Tim Kelly | 1985 | ||||||
| One Records |
United Kingdom |
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| One Records |
Serbia |
Belgrade | 1999 | ||||||
| Ongaku music |
Germany |
Ata Macias and Heiko Schäfer | 1992 | ||||||
| On-U Sound Records |
United Kingdom |
Adrian Sherwood | 1980 | LC 08619 | |||||
| Oomoxx media |
Germany |
Karsten Kasparek | 2004 | ||||||
| Open bar entertainment |
United States |
Detroit | Xzibit | 1995 | |||||
| Open House Recording Company |
Canada |
London | 2008 | ||||||
| Open Road Recordings |
Canada |
Toronto | Ron Kitchener | 2003 | |||||
| Open Sky Records |
United Kingdom |
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| Open world entertainment |
Korea South |
Seoul | 2000 | ||||||
| Opera Rara |
United Kingdom |
Patric Schmid and Don White | 1970 | ||||||
| Operaphone Records |
United States |
New York City | John Fletcher and George Thomas | 1915 | 1921 | ||||
| OPOS records |
Germany |
Lindenau | Sebastian Raack | 2007 | |||||
| Optik Records |
Germany |
Savas Yurderi | 2002 | 2009 | LC 09517 | ||||
| OPUS Records |
Slovakia |
1971 | |||||||
| Or Records |
United Kingdom |
London | 1998 | ||||||
| Orange Record Label |
Canada |
Toronto | Steven Ehrlick,
Jill Snell and Aubrey Winfield |
2003 | |||||
| Orange Records |
United States |
mobile | 1959 | Extinguished | Sandy Records | ||||
| Orange Twin Records |
United States |
Atlanta | Laura Carter | 1999 | |||||
| Orchid tapes |
United States |
Ridgewood (New York) | Warren Hildebrand | 2010 | |||||
| ORFEO |
Germany |
Munich | Axel Mehrle | 1979 | |||||
| Orfeón |
Mexico |
1950s | |||||||
| Organo Phon |
Germany |
Organ building company Oberlinger | 1992 | LC 10407 | |||||
| Oriente music |
Germany |
Brigitte Backes, Reiner Jordan and Till Schumann | 1994 | ||||||
| Origin Jazz Library |
United States |
Thousand Oaks | Bill Givens and
Pete Whelan |
1960 | |||||
| Origin Records |
United States |
John Bishop | 1997 | ||||||
| Original Blues Classics |
United States |
1983 | Concord Music Group | ||||||
| Original Jazz Classics |
United States |
1982 | Fantasy Records | ||||||
| Original sound |
United States |
los Angeles | Art Laboe | Early 1950s | |||||
| Oriole Records |
United States |
McCrory's | 1921 | 1937 | In the 1930s Oriole was part of the American Record Corporation and in 1937 ARC was sold to the Columbia Broadcasting System . | ||||
| Oriole Records (UK) |
United Kingdom |
London | 1925 | 1964 | Levy Company | ||||
| Ornament Records |
Germany |
Ernst-Erich Stender | 1976 | LC 14849 | |||||
| Orpheus Music |
United States |
Hush management | |||||||
| Osmosis Productions |
France |
Hervé Herbaut | 1991 | LC 02406 | |||||
| Ostgut clay |
Germany |
Nick Höppner | 2005 | LC 14600 | |||||
| Ostra Records |
France |
Lyon | 2006 | ||||||
| Our Label Records |
United Kingdom |
DJ Gu and Andreas Gutjahr | 2005 | ||||||
| Out Now Music |
Germany |
Frank Meyer, alias Sam T. and Dieter Müller alias Dee Mullen | 1998 | ||||||
| Out of Line (label) |
Germany |
1995 | LC 2947 | ||||||
| Outlaw Recordz |
United States |
Outlawz | |||||||
| Outpunk |
United States |
San Francisco | Matt Wobensmith | 1992 | 1997 | ||||
| Output recordings |
United Kingdom |
Trevor Jackson | 1996 | 2006 | |||||
| Outside Music |
Canada |
Lloyd Nishimura | 1995 | ||||||
| Outta Sight Records |
United Kingdom |
2007 | Sanctuary Records Group | ||||||
| Ovation Records |
United States |
Chicago | Dick Schory | 1971 | |||||
| Overcoat recordings |
United States |
Chicago | Howard Greynolds | ||||||
| Overdrive Records |
Germany |
Andy Düx , Udo Niebergall | 1990 | LC 6695 | |||||
| OVO sound |
Canada |
Toronto | Drake and Oliver El-Khatib | 2012 | Warner Bros. Records | ||||
| Ovum Recordings |
United States |
Josh Wink and King Britt | 1994 | ||||||
| Owl Studios |
United States |
Indianapolis | J. Allan Hall | 2005 | |||||
| OWSLA |
United States |
Skrillex (Sonny Moore) | 2011 | ||||||
| Oxford Records |
United States |
1906 | 1916 | ||||||
| Oxingale Records |
Canada |
Matt Haimovitz , Luna Pearl Woolf | 1999 | Oxingale Productions, Inc. | |||||
| OxRecs DIGITAL |
United Kingdom |
Oxford | 1987 | ||||||
| Oxygen Music Works |
United Kingdom |
Andy Shih | 1991 | ||||||
| Ozit Records |
United Kingdom |
Chris Hewitt | 1996 |