| 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 | Debiut |
|---|---|---|
| Ariola Express | Accept | 1992 |
| Arista | Ministry | 1983 |
| Arista, BMG | Japan | 1995 |
| Arista, OctoArts International | Ministry | 1983 |
| Arma Diaboli Productions | Demonic Slaughter | 2007 |
| Armando Curcio Editore | Deep Purple | 1993 |
| Armoury Records, Pegasus, Eagle Rock Entertainment | Japan | 2000 |
| Arnoldo Mondadori Editore, Mute | Depeche Mode | 2009 |
| Ars Benevola Mater | Job Karma | 2005 |
| Ars Mundi | Armia | 1997 |
| Ars Musica Diffundere | Lugburz | 2010 |
| Arte De Occulta | Setherial | 1994 |
| Artists Den Entertainment | Tori Amos | 2010 |
| Artoffact Records | Headscan | 2002 |
| Ascendance Records | Unexpect | 2007 |
| Ascendance Records, The End Records | Unexpect | 2007 |
| Assault Records (3) | Karna | 2011 |
| Astralwerks | Bat For Lashes | 2008 |
| Astrum Tempestas | Deathgate Arkanum | 2011 |
| Atacama Records | Atrox | 1998 |
| Atacama Records, Atacama Records | Atrox | 2014 |
| Atacama Records, Tonbender Recordings | Atrox | 2000 |
| ATCO Records | AC/DC | 1987 |
| ATCO Records, ATCO Records | Pantera | 1994 |
| ATCO Records, Elektra, Rhino Records (2) | Yes | 2005 |
