Firma U - Gamlebyen
- Udaru AS
- Uniheis AS
- Udir Itd
- Urban group AS
- Udir Itd
- Ullevålsveien 13 AS
- Utdanningsdirektoratets Bedriftsidrettslag
- Ullernchausseen 68b/71 AS
- Ulsrud eiendom AS
- Utama Corp
- Uhnger invest AS
- Utgard Fjellsport AS
- UIP Holding AS
- Ulvik Liv
- UIP Capital AS
- UIP Drift AS
- Unite Living AS
- Umaro Djalo
- USBL eiendom AS
- University Of Lapland
- UIP Oslo Lehus AS
- UIP Trondheim Bysykkel AS
- Ullkilden Anne Lise Nordhagen
- Unicorn bakeri Hakan Akgül
- Urban Cellar prosjekt & invest AS
- Uglebakken Anna Margareta Karinsdotter Janvald
- Unik mat varer Raad Kays Atia