Firma U - St. Hanshaugen
- Utleiekollektivet AS
- Utleieformidleren
- Uniservice AS
- Unicornis AS
- Underdog AS
- Ulvestad Holding AS
- Unparallel nordic AS
- Utleiespesialisten (Slipemaskiner)
- USBL eiendom AS
- Urbana Fasade AS
- Uphill Productions AS
- Ubumwe Family
- Ubumwe Family
- Urban life AS
- Uten Oppskrift AS
- Unni Rykhus
- Useit consulting Norway AS
- Uniq Lashes V/Thai
- Ullevålsveien Arte Pazza avd.
- Unn Deg Noni AS
- Udnes Anne Kristine
- Uncertain States scandinavia DA
- Unni Backer Frantzen
- United Stage Productions AS
- Uelandsgate 24 borettslag
- Una line Ree Hunderi
- Uro V/Guro Hoftun Gjestad
- Ubon Tradisjonell Thai Massage
- Umbrella ATM solutions Mika Juhani Taipalus