Groups
- aja 1
- ajala 7
- ajapaa. 5
- ajapaa. 1
- aje 25
- aji no hiraki 6
- aji star 8
- aji zukushi 11
- ajiichi 6
- ajikaraku 1
- ajimi 2
- ajimiya 1
- ajinihouroku 5
- ajinomoto 4
- ajinori 22
- ajisaidenden 208
- ajisaihuumitei 34
- ajishio. 1
- ajistar 1
- ajitea 1
- ajitsuke no aji 2
- ajiwai gyuunyuu 2
- ajiyama 3
- aju ga mitsukarimasen 13
- ajula-wachula 22
- ak 23
- ak-five 1
- ak-studio 1
- ak-style 8
- aka 31
- aka chouchin entertainment 1
- aka lamp 1
- aka no hana 10
- aka yomogi 1
- aka-miso 7
- akaaka ranman 11
- akaao 35
- akabane aomori 17
- akabei soft 109
- akabei soft2 46
- akabei soft2 try 1
- akabei soft3 67
- akabekomonster 7
- akaboshi 1
- akachang time 3
- akachi 41
- akacia 57
- akadama-ya 18
- akadashi no misoshiru 5
- akadashi. 3