Firma U - Majorstua
- Uwork AS
- Urbartender Da
- Uranienborg AS
- Undertoner
- Uhørt AS
- Universitas
- Unibuss AS
- Update
- Universet AS
- Undertrykt
- Unibridge AS
- Upb
- Utleiemegleren Stavanger AS
- Utleiemegleren Lysaker AS
- Underhaugsveien 9 AS
- Ulrikke Eikeri
- Uwork group AS
- Underhaugsveien boliger
- Unzile Kardes
- Ulles Postfoto AB
- Undseth-Gyllenberg
- Uibo Ave
- Urban Bogstadveien
- Utdanningsforskning - Bergem
- Umami invest AS
- Useful Holding AS
- Uhorskai Michaela
- Ujikaw Ismeno
- Ukasz Maecki
- Ubok-Foreningen
- Ulrik Eriksen
- Uab Norfloor
- Uten Grenser AS
- Ulnisa Qamar
- Under arbeid
- Ullern frivillighetssentral
- Urban Rentals AS
- Urban Holdings AS
- Urban Investments AS
- Universal helseprodukter AS
- Uinayo Pakasiw
- Ulabrand industrier AS
- Uldal Holding AS
- Ullevål konsulent DA
- Ursula Jakobsen
- Ugress Frisørfellesskap AS
- Umi sushi AS
- Umi sushi AS
- Undervannsentreprenørenes servicekontor
- Ungdomsbedrift 933
- Union regnskap AS
- U-Turn
- Ungt entreprenørskap
- Unik interiør AS
- Uthussetra Utbygging AS
- U90 Utbygging AS
- Us Braco AS
- Ujakiw Zomay
- Ukima Gabeba
- Ulleberg consulting
- Ulo systems Llc
- Ultimate Approach Ditleff
- Uteliv Oslo invest AS
- Underground Golf Club
- Up Front Music DA
- Ung i Næringseiendom
- Utopia Retro Modern
- Uf Investment Corporation AS
- Ulla-Britt Lilleaas
- Ullevål konsulent learning ANS
- Unilabs Røntgen Majorstuen
- Ungt entreprenørskap Oslo
- Uncle Grey Oslo AS
- Uhde High Pressure technologies GmbH
- Uhde High Pressure technologies GmbH
- Ulseth brann og Adgangsikring
- Universal tjenester Ireneusz Stasiuk
- Undervisning Oda Moe Bjørkelo
- Utdanningsfondet for grafisk Emballasje
- Ungt entreprenørskap Alumni Norge
- Universal Balance, Kristin Norenberg - BalanseCoach
- Urban Think Tank design group AS
- Urban Vibes Ellen de Vibe
- Utetrening Hanne Cecilie Jøndal Hellerud
- Unicorn dagligvarer & Delikatesser AS Konkursbo
- Unicorn dagligvarer & Delikatesser AS Konkursbo
- Umoe restaurant group Coffee AS avd Bogstadveien
- Unge Denstad tjenester Lars Thomas Denstad