| 2+2=5 Records | | | Brazil | | | |
| 2N Music | | | Brazil | | | |
| 3M | | | Brazil | | | |
| 3Sons | Publisher | | Brazil | 2014 | | |
| 4 & 20 discos | | | Brazil | | | |
| 30PRAUM | Production | | Brazil | 2014 | | |
| 40% Foda/Maneirissimo | Original Production | | Brazil | | | |
| 53HC Records | Distributor | | Belo Horizonte, Minas Gerais, Brazil | | | |
| 78 Life Recordings | | | Brazil | | | |
| 177th | | | Brazil | | | |
| 255 Records | | | Brazil | | | |
| 969 Records | | | Brazil | | | |
| 999 Records | Production | | Brazil | | | |
| A Casa Discos | Original Production | | Brazil | | | |
| A voz da profecia | Publisher | | Brazil | | | |
| a_lojadofa | Distributor | | Brazil | | | |
| AB Records | Original Production | | Brazil | | | |
| ABC Records | Original Production | | Brazil | | | |
| ABEM | Rights Society | | Brazil | 1991 | | |
| Abnormal | | | Brazil | | | |
| About Disco | Original Production | | Brazil | | | |
| ABRAMUS | Rights Society | | Brazil | 1983 | | |
| Abril Coleções | | | Brazil | | | |
| Abril Cultural | | | Brazil | 1968 | 1982 | |
| Abril Music | | | Brazil | 1998 | 2003-02 | |
| Abstinência | Production | | Pernambuco, Brazil | | | |
| Abstrackt 4K | | | Brazil | | | |
| Absurd Records | Distributor | | Brazil | | | |
| ACABA | Production | | Belo Horizonte, Minas Gerais, Brazil | 2018-06-27 | | |
| Academia Brasileira de Música | | | Brazil | | | |
| Açaí Records | | | Brazil | | | |
| Acari Records | Original Production | | Brazil | 1999 | | |
| Acauã Produtora | Production | | Brazil | | | |
| Achou! Distribuidora | Distributor | | Brazil | | | |
| Acid Mind | | | São Paulo, São Paulo, Brazil | | | |
| Acit | Production | | Brazil | | | |
| Acorde | Original Production | | Brazil | | | |
| Acre | | | Brazil | | | |
| ADDAF | Rights Society | | Brazil | 1958 | | |
| ADS Records | | | Brazil | | | |
| Adventures In Paradise | | | Brazil | | | |
| Afegan | | | Brazil | | | |
| Again | | | Brazil | | | |
| Ágata Tecnologia Digital Ltda | | | São Paulo, Brazil | | | |
| Agência de Música | Production | | Brazil | | | |
| Agya Sounds | | | Brazil | | | |
| Aigle Records | Bootleg Production | | Brazil | 2013-05 | | |
| Akron Projetos Culturais | | | Brazil | | | |
| Al Revés | | | São Paulo, São Paulo, Brazil | | | |
| Albatroz Music | | | Brazil | | | |
| Alcalina Records | Original Production | | São Paulo, São Paulo, Brazil | 2018 | | |
| Aliança | Publisher | | Brazil | | | |
| Alien Records | | | Brazil | | | |
| Allegro Discos | | | Brazil | 2005 | | |
| Allnite Music | | | Brazil | | | |
| Alpha | | | Brazil | | | |
| Altafonte | | | Brazil | | | |
| Altaplay Com. E Representações Ltda. | Distributor | | Brazil | | | |
| AltaVoz Produções Artísticas | Original Production | | Brazil | | | |
| ALUMIA | | | Brazil | | | |
| AMAR SOMBRÁS | Rights Society | | Brazil | 1980-09-26 | | |
| Amazon Black Forest Distro | | | Brazil | | | |
| Amazônia Beats | Production | | Brasília, Distrito Federal , Brazil | | | |
| AMC | | | Brazil | | | |
| Amigo Records | | | Brazil | | | |
| Ampli‐Som | Original Production | | Brazil | | | |
| Amplicriativa | Production | | Belém, Pará, Brazil | | | |
| AMZ MIDIA INDUSTRIAL S.A. | Production | LC 043296 | Manaus, Amazonas, Brazil | 2012-06 | | |
| Ana Marie | Distributor | | Brazil | | | |
| Ana Terra | Production | | Brazil | | | |
| Anaites Records | | | Maranhão, Brazil | 1997-10 | | |
| Analaga Produções Artísticas | Publisher | | Brazil | | | |
| Ananas Recordings | | | São Paulo, Brazil | | | |
| Anarchy in the Funk | | | Brazil | 2008 | | |
| Antídoto | | | Brazil | | | |
| Antimateria Recordings | Original Production | | Brazil | | | |
| Antropofagia Records | | | Brazil | | | |
| Aphex Music | Original Production | | Brazil | | | |
| Aquárius Music | Distributor | | Pará, Brazil | | | |
| Arauto da Morte Records | | | Brazil | 2018-10-06 | | |
| Arca Som | Distributor | | Brazil | | | |
| Arcano Música | | | Brazil | | | |
| Armadillo Records | | | Brazil | | | |
| Armazém | Publisher | | Brazil | | | |
| Arrábida Records | | | Rio de Janeiro, Rio de Janeiro, Brazil | | | |
| Arrebol Music | Original Production | | Brazil | | | |
| Arsenal Music | Production | | Brazil | 2001 | 2012-01 | |
| Arthorium Music Group | | | Brazil | 2013 | | |
| Artistical Productions | | | Brazil | | | |
| Assessoria Júlia Carvalho | Holding | | Manaus, Amazonas, Brazil | | | |
| Associação Carnavalesca Bloco Afro Olodum | | | Brazil | | | |
| Assunção | | | Brazil | | | |
| Assustado Discos | Publisher | | Brazil | | | |
| Astronauta Discos | | | Brazil | | | |
| Atack Records | | | Santo André, São Paulo, Brazil | | | |
| Atalho Discos | Publisher | | Brazil | | | |
| Ataque Frontal | Production | | Brazil | | | |
| ATMO™ | Original Production | | Brazil | 2020-01-01 | | |
| Atração Fonográfica | Production | | Brazil | 1996 | | |
| Audio Family Recordings | | | Brazil | | | |