Firma U - Bekkelaget
- UniFeeder
- UniFeeder
- Ulv AS
- Urogallus AS
- Ultify AS
- Ungdomsbedriften Careful
- Urstad interiør
- Unicon AS avd. Oslo
- Unique bygg AS
- Urban Spirits AS
- Unlimited Holding AS
- Urban Wines AS
- Urbanski Marcin
- Uldal Management
- Ugaas Kaskey
- Unni Løkkebø
- Urban Fighter
- Unnis Nettverksted Skumsrud
- Ulla Britt Skatteboe
- Utlandseiendom V/Anne Marie Finstad
- Uslugi Buoowlane Buildning Repair & Construction
- Uforbederlig Optimist Stian Nordengen Christensen
- Urkult verksted Olav Terje Nicolai Apneseth