Firma U - Nordstrand
- Uniprint AS
- Underholdningsprodukter AS
- Urias AS
- Uber AS
- Ulixes AS
- Unitrade INC
- Ulrika Håkansson
- Ulstein brands AS
- Uno group AS
- Ulsund Konsult
- Utleiepartner AS avd Oslo
- Ulv eiendom AS
- Udnesseter Diverse grafisk
- Ukrut Pål Hansen
- Ulleberg Jan Siv Ing
- Utleie og maskinservice AS Konkursbo
- Utleie og maskinservice AS Konkursbo
- Urban Kitchen Andreas Park Jensen Holtet