| Label | Country | Founded | Label type | Albums in catalog |
|---|---|---|---|---|
| X Production | Czech Republic | November 14, 2002 | — | — |
| X-Series | United Kingdom | — | Original Production | — |
| X5 Music Group | Sweden | January 1, 2003 | — | 1 |
| Xenophile Records | United States | January 1, 1992 | — | 1 |
| XIII Bis Records | France | 1991 | Production | — |
| XL Recordings | United Kingdom | 1989 | Original Production | — |
| XL Recordings | United Kingdom | January 1, 1989 | — | 7 |
| XO | Canada | 2012 | Original Production | — |
| XO | Canada | January 1, 2011 | — | 3 |
| Xtra Mile Recordings | United Kingdom | 2002 | — | — |
| Квадро-Диск | — | 1995 | Distributor | — |
| カバー株式会社 | Japan | June 13, 2016 | Holding | — |
| 乃木坂46 | Japan | 2012 | Imprint | — |
| 東芝EMI 株式会社 | Japan | October 1, 1973 | Holding | — |
| 滾石唱片 | — | March 14, 1981 | Imprint | — |