Firma U - Sinsen
- Utdanningshjelpen
- Uttam Pandey
- Utleiemegleren Sinsen
- Univest Assuranse AS
- Unni Robstad
- Uttan Sumanth
- Utheim consulting
- Unicorn Holding AS
- Usman Ullah
- Umai - sushi AS
- Umai sushi DA
- Usmonjon Obidjonov
- Ugur Dongel
- Uon Dobri
- Urologisk klinikk AS
- Uriberg invest AS
- Unonym - Nygaard Ødyn
- Utstyrsproffen Fredrik Roppestad
- Urszula Stefania Mosiezna
- Utleiemegler Krogsveen AS avd Løren
- Urke Antonsen consult
- Uma Lakshmi Narayanan
- Umun Esayas Berak
- Ungdom i fokus Uif
- UPS & Downs Oslo
- Ugandan Community In Norway
- Underground Lessons Records (Ul) Leonidas Kakaliagkos
- Urosevic Profy Kran og transport Stanko