Firma U - Ensjø
- Usikker AS
- Urstrømmen
- Utelivsshoppen DA
- Ultraball
- Ungdomsalternativet AS
- Ullano AS
- Universe AS
- Ullerud AS
- Ulna AS
- Utleieassistenten Næsset
- Ultimo elektro AS
- Ulsmågveien 7 AS
- Usman Ullah
- Usman Holding AS
- Utigard Konsulting AS
- Undervisningsbygg Oslo KF
- Undervisningsbygg Oslo KF
- Unicare Bab AS
- Uno Jostein Holm
- Ullensakergaten 1 Boligsameie
- Ullensakergaten 1 Boligsameie
- Utor eiendom AS Tvangsavviklingsbo
- Utor eiendom AS Tvangsavviklingsbo
- Urban Dance lab
- Ultimo elektro AS Konkursbo
- Ultimo elektro AS Konkursbo
- Urban Dance lab
- Ukjent format Espen Willander
- Unge, Lovende Herr Halvorsen