| Artist | Genre | ||
|---|---|---|---|
| 501 |  | Unit:187 | |
| 502 |  | Unit 4 + 2 | Rock |
| 503 |  | Unit F | |
| 504 |  | Unit Four Plus Two | 60s/Pop |
| 505 |  | Unit Lost | |
| 506 |  | Unitary | Electronic |
| 507 |  | Unite | |
| 508 |  | Unite The Faith | |
| 509 |  | United | Indie |
| 510 |  | United Balls | |
| 511 |  | United Flavour | |
| 512 |  | United Future Organization | |
| 513 |  | United Kingdom | |
| 514 | | United Live | |
| 515 |  | United Pursuit | |
| 516 | | United Sounds Of Italy | |
| 517 |  | United States Of America | |
| 518 | | United Youngstars | |
| 519 |  | Uniting Nations | Electronic |
| 520 |  | Unity | |
| 521 |  | Unity Klan | |
| 522 | | Universal Artist, The | |
| 523 |  | Universal Hall Pass | |
| 524 |  | Universal Poplab | |
| 525 |  | Universe |
