| A State of Trance | Netherlands | 2003 | Original Production | — |
| A Team | South Korea | January 1, 2015 | — | — |
| A West Side Fabrication | Sweden | January 1, 1987 | — | 3 |
| A&M Records | — | 1962 | Production | — |
| A&M Records | Japan | July 1, 2004 | — | — |
| A&M Records | United States | January 1, 1962 | — | 14 |
| A-Sketch | Japan | April 1, 2008 | — | — |
| AB Records | Brazil | January 1, 1995 | — | 5 |
| ABC Classics | Australia | 1987 | Production | — |
| ABC Music | Australia | 1974 | Imprint | — |
| ABC Music | Australia | January 1, 1974 | — | 3 |
| ABC Records | United States | 1965 | Original Production | — |
| ABC Records | United States | January 1, 1955 | — | 6 |
| ABC-Paramount | United States | 1955 | Original Production | — |
| ABD | South Korea | March 4, 2026 | — | — |
| ABKCO | United States | 1961 | Production | — |
| ABKCO Records | United States | January 1, 1961 | — | 2 |
| Abril Music | Brazil | June 1, 1998 | — | 4 |
| Accord | France | — | Original Production | — |
| Ace | United Kingdom | 1978 | Reissue Production | — |
| Acid Jazz | United Kingdom | 1987 | Imprint | — |
| Acoustic Records | Norway | January 1, 1990 | — | 1 |
| ACT | — | 1992 | Original Production | — |
| ACT Music | Germany | October 1, 1992 | — | 1 |
| Acuarela Discos | Spain | January 1, 1993 | — | 1 |
| ADOR | South Korea | November 12, 2021 | — | — |
| Aerophonic Records | United States | January 1, 2013 | — | 1 |
| AFM Records | Germany | 1993 | Original Production | — |
| AFM Records | Germany | January 1, 1993 | — | 14 |
| Aftermath Entertainment | United States | 1996 | Original Production | — |
| Alamo Records | United States | November 10, 2016 | — | 1 |
| Albert Productions | Australia | August 1964 | Original Production | — |
| Albion Records | United Kingdom | January 1, 1978 | — | 1 |
| Alcazar Productions | United States | January 1, 1977 | — | 1 |
| Alcus Records | France | January 1, 2017 | — | — |
| Alexandra Kiadó | Hungary | January 1, 1993 | — | — |
| ALFA | Japan | 1969 | Imprint | — |
| Alfa Matrix | Belgium | 2001 | Original Production | — |
| Alfa Matrix | Belgium | January 1, 2001 | — | 5 |
| Alfa Records | Japan | January 1, 1977 | — | 1 |
| Alibi Music | — | 2011 | Original Production | — |
| Alice Workshop | People's Republic of China | April 30, 2020 | — | — |
| All Around the World | United Kingdom | — | Original Production | — |
| All Star Records | United States | January 1, 2004 | — | 1 |
| Allied Artists Music Group | United States | January 1, 1959 | — | — |
| Alligator | — | 1971 | Original Production | — |
| Alligator Records | United States | January 1, 1971 | — | 1 |
| AllPoints | France | July 6, 2017 | — | 1 |
| Almo Sounds | United States | January 1, 1994 | — | 1 |
| Alpha Classics | France | 2015 | Production | — |
| Alpha Music Empire | Germany | September 1, 2016 | — | 2 |
| Alpha Productions | France | 1999 | Production | — |
| Alpha Records | Sweden | January 1, 1984 | — | 4 |
| Alpha Records | Greece | January 1, 1987 | — | 1 |
| Altafonte | Spain | January 1, 2006 | — | 1 |
| Altar Records | Canada | 2009 | Original Production | — |
| Alternative Distribution Alliance | United States | January 1, 1993 | — | 1 |
| Alternative Tentacles | — | June 1979 | Original Production | — |
| Alternative Tentacles | United States | January 1, 1979 | — | 3 |
| Amadeo | — | April 1, 1956 | Original Production | — |
| Amalthea | Sweden | January 1, 1977 | — | 1 |
| Amara Muzik | India | January 1, 2015 | — | — |
| Ambang Klasik | Malaysia | January 1, 1995 | — | — |
| Ambition Entertainment | Australia | January 1, 2009 | — | 1 |
| American Gramaphone | United States | 1974 | Original Production | — |
| American Recordings | — | 1993 | Original Production | — |
| American Recordings | United States | January 1, 1988 | — | 4 |
| AMIGA | — | February 3, 1947 | Imprint | — |
| Amiga | East Germany | January 1, 1947 | — | 5 |
| Amigo | Sweden | January 1, 1965 | — | 4 |
| Amoeba Culture | South Korea | January 1, 2006 | — | — |
| Amos Editio | Czech Republic | January 1, 2000 | — | — |
| Ampersand Records | Sweden | January 1, 1994 | — | 19 |
| Amphetamine Reptile Records | — | 1986 | Original Production | — |
| Amphetamine Reptile Records | United States | January 1, 1986 | — | 1 |
| AMPIA Entertainment | South Korea | June 1, 2008 | — | — |
| Amuse | Japan | October 16, 1977 | — | 3 |
| Amusic | Hong Kong | January 1, 2004 | — | 6 |
| Analekta | — | 1988 | Production | — |
| Analog Baroque | United Kingdom | January 1, 1999 | — | 2 |
| Analogue Productions | United States | 1991 | Reissue Production | — |
| Anana | Israel | January 1, 1998 | — | — |
| Angel | United States | January 1, 1953 | — | 3 |
| Angel Records | United States | 1897 | Original Production | — |
| ANGVIS | United Kingdom | July 23, 2020 | — | — |
| Aniplex | Japan | April 2003 | Imprint | — |
| Aniplex | Japan | September 1, 1995 | — | — |
| Anjunabeats | United Kingdom | April 1, 2000 | Original Production | — |
| Antarctic Sound Production | Malaysia | August 28, 1986 | — | — |
| Antenna | South Korea | January 1, 1997 | — | 1 |
| Anthem | Canada | January 1, 1977 | — | 1 |
| Anthem Records | Canada | May 1977 | Original Production | — |
| Anti- | United States | January 1, 1999 | — | 7 |
| AntiFragile Music | United States | January 1, 2017 | — | 1 |
| Antinos Records | Japan | June 1, 1994 | — | — |
| Anti‐ | United States | 1999 | Production | — |
| Antler-Subway | Belgium | 1989 | Original Production | — |
| Antone's Records | United States | January 1, 1987 | — | 2 |
| AOMG | South Korea | September 1, 2013 | — | 2 |
| AOR Heaven | Germany | January 1, 1995 | — | 2 |
| Aparté | — | 2008 | Production | — |
| Apen & Kjeften | Norway | January 1, 2017 | — | — |
| APPLE OF THE EYE | South Korea | September 15, 2009 | — | — |
| Apple Records | United Kingdom | 1968 | Original Production | — |
| Apple Records | United Kingdom | January 1, 1968 | — | 2 |
| Appleseed Recordings | United States | January 1, 1997 | — | 1 |
| Apulanta | Finland | January 10, 2007 | — | 1 |
| Aquarius Musikindo | Indonesia | January 1, 1969 | — | 1 |
| Aquarius Records | Canada | 1970 | Original Production | — |
| Arc | Italy | January 1, 1964 | — | 1 |
| ARC Music | — | 1983 | Original Production | — |
| Arcade | Netherlands | 1972 | Imprint | — |
| Arcade Records | United Kingdom | January 1, 1972 | — | 7 |
| Archiv Produktion | Germany | 1948 | Imprint | — |
| Argo | United Kingdom | 1951 | Imprint | — |
| Arhoolie | United States | 1960 | Original Production | — |
| Ariola | Germany | April 22, 1958 | Imprint | — |
| Ariola | Germany | January 1, 1958 | — | 14 |
| Ariola Discos | Brazil | January 1, 1979 | — | 1 |
| Ariola Express | Germany | — | Imprint | — |
| Ariola Japan | Japan | June 2009 | Imprint | — |
| Ariola Japan | Japan | January 1, 2000 | — | 3 |
| Arion | France | 1967 | Original Production | — |
| Arising Empire | — | July 15, 2015 | Imprint | — |
| Arista | United States | 1974 | Imprint | — |
| Arista Nashville | United States | 1989 | Imprint | — |
| Arista Records | United States | January 1, 1974 | — | 19 |
| Armada | Netherlands | January 1, 2003 | — | 1 |
| Armada Digital | Netherlands | — | Original Production | — |
| Armada Music | Netherlands | — | Original Production | — |
| Armind | Netherlands | — | Original Production | — |
| Around Us Entertainment | South Korea | January 1, 2016 | — | — |
| ARS Entertainment | Belgium | — | Original Production | — |
| Arsenal Music | Brazil | January 1, 2001 | — | 6 |
| Arte Nova Classics | Germany | — | Original Production | — |
| Artezi | Spain | January 1, 1973 | — | 1 |
| Artoffact Records | Canada | 1999 | Original Production | — |
| Artoffact Records | Canada | January 1, 1997 | — | 1 |
| ArtPeople | Denmark | February 1, 2002 | — | — |
| Arts & Crafts | Canada | 2002 | Original Production | — |
| Arts & Crafts Productions | Canada | January 1, 2002 | — | 2 |
| Asch Recordings | United States | November 1, 1941 | — | 2 |
| Asia Entertainment | United States | January 1, 1982 | — | 3 |
| Asia Muse Entertainment Group.Ltd | Taiwan | January 1, 2006 | — | 1 |
| Asian Fake | Italy | January 1, 2016 | — | 1 |
| ASSA Communication | South Korea | December 19, 2012 | — | — |
| Asthmatic Kitty | United States | January 1, 1999 | — | 4 |
| Asthmatic Kitty Records | United States | 1999 | Original Production | — |
| Astral Spirits | United States | January 1, 2014 | — | 5 |
| Astralwerks | United States | January 1, 1993 | — | 2 |
| Asylum Records | United States | 1971 | Original Production | — |
| Asylum Records | United States | January 1, 1971 | — | 5 |
| Asylum Records UK | United Kingdom | — | Holding | — |
| ATCO Records | United States | 1955 | Original Production | — |
| Atco Records | United States | January 1, 1955 | — | 3 |
| Atenzia Records | Sweden | January 1, 1997 | — | 4 |
| Atlantic | United States | 1947 | Imprint | — |
| Atlantic Records | United States | January 1, 1947 | — | 74 |
| Atlantic Records Russia | Russia | January 1, 2018 | — | 3 |
| Atlantic Records UK | United Kingdom | June 1, 2004 | — | 1 |
| ATMA Classique | Canada | January 1, 1995 | — | 1 |
| Atmosphériques | France | April 1, 1996 | Original Production | — |
| ATO Records | United States | 2000 | Imprint | — |
| ATO Records | United States | January 1, 2000 | — | 9 |
| Atomic Fire | — | November 2021 | Original Production | — |
| Atração Fonográfica | Brazil | January 1, 1996 | — | 1 |
| Attic | — | 1974 | Imprint | — |
| Attic | Canada | January 1, 1974 | — | 2 |
| ATTRAKT Entertainment | South Korea | June 17, 2021 | — | — |
| Atypeek Music | France | January 1, 1988 | — | — |
| Audio Fidelity | United States | — | Reissue Production | — |
| Audio Fidelity | United States | January 1, 1957 | — | 1 |
| Audio Network | United Kingdom | July 23, 2001 | Original Production | — |
| Audiogram | Canada | April 24, 1984 | Original Production | — |
| Audiogram | Canada | January 1, 1980 | — | 4 |
| Audiola | Brazil | October 1, 1958 | — | 1 |
| Audiolith Records | Germany | — | Original Production | — |
| Audiomachine | United States | August 2005 | Original Production | — |
| Audiotree Music | United States | January 1, 2011 | — | 1 |
| AUM Fidelity | United States | January 1, 1997 | — | 1 |
| Aural Music | Italy | December 1, 1998 | — | 1 |
| Autumn Records | United States | January 1, 1961 | — | 1 |
| AVALON | Japan | — | Imprint | — |
| Average Joes Entertainment | United States | January 1, 2008 | — | 1 |
| Avex entertainment | Japan | April 2007 | Imprint | — |
| Avex Group | Japan | January 1, 1988 | — | 4 |
| Avex mode | Japan | November 1999 | Imprint | — |
| Avex Music Creative | Japan | October 1, 1997 | — | — |
| Avex pictures | Japan | April 1, 2014 | Imprint | — |
| Avex Pictures | Japan | April 1, 2014 | — | — |
| Avex trax | Japan | September 1990 | Imprint | — |
| Avex Trax | Japan | January 1, 1990 | — | 45 |
| AWAL | United Kingdom | 1997 | Distributor | — |
| AWAL | United Kingdom | January 1, 1997 | — | 4 |
| Axiom | United States | January 1, 1990 | — | 2 |
| Ayngaran International | United Kingdom | January 1, 1987 | — | 1 |
| AZ | France | — | Original Production | — |