| ID | Name | Type |
|---|---|---|
| #14894 | UK Home Computing | Z |
| #14895 | UK Lead | Z |
| #17842 | UK Software Exchange Club | X |
| #21300 | UM-Data | P |
| #14897 | UPL | ? |
| #14898 | URI | ? |
| #14901 | USC Software Team | Z |
| #19270 | UV Software [CZ] | P |
| #14902 | UV Software [SK] | Z |
| #18038 | UV2 | Z |
| #14903 | Ubhres Productions | Z |
| #14904 | Ubi Soft Ltd | Z |
| #14905 | Ubik Software | Z |
| #14906 | Ubisoft Ltd | P |
| #14907 | Uburrg Software | Z |
| #22703 | Udo Bartz | + |
| #14908 | Udo Graf | ? |
| #14909 | Udo R. Pfeifer | ? |
| #14910 | Uitgeverij Luitingh | ? |
| #14911 | Uitgeverij Macos | ? |