Firma U - Ensjø
- Utelivsshoppen DA
- Ungdomsalternativet AS
- Unibatt AS
- Ultraball
- Uniren AS
- Ulna AS
- Ullerud AS
- Ulsmågveien 7 AS
- Ultimo elektro AS
- Undervisningsbygg Oslo KF
- Unicare Bab AS
- Usman Ullah
- Utor eiendom AS
- Undervisningsbygg Oslo KF
- Uno Jostein Holm
- Ullensakergaten 1 Boligsameie
- Ultimo elektro AS Konkursbo
- Ultimo elektro AS Konkursbo
- Urban Dance lab
- Urban Dance lab
- Ultee Bjørn Christian
- Unge, Lovende Herr Halvorsen
- Ultramac Jens Olav Nilsen
- Ukjent format Espen Willander