Firma F - Årvoll
- Friksjon AS
- Franqueza AS
- Ferenda
- Frisktpust AS
- Floker AS
- Fedra AS
- Finco AS
- Fram Project AS
- Femme Invest AS
- Fjellveiens Velforening
- Fg Holding AS
- Freimsvegen 15 AS
- Fastflow Solutions AS
- Forsvarsmuseets Venner
- Francisca Eriksen
- Folkeakademiet Bjerke
- Fruit Invest AS
- Familiar Code AS
- For Investering AS
- Flc Investments AS
- Flikkeid David
- Fossveien 14 AS
- Føyen Import
- Fluid Design DA
- Frank Opakersund
- Finger Holding AS
- Foodoraklubben Oslo
- Foodoraklubben Oslo
- Farah Biltjeneste
- Frattasio Import
- Faban Holding AS
- Fiberrent Steinar Nyløkken
- Familieterapeutene på Nett ANS
- Freddy Engebretsen AS Konkursbo
- Freddy Engebretsen AS Konkursbo
- Fortelleriet Helga Samset
- Fredrik Moksnes Marinbio
- Fjord Cricket Club
- Frennings vei 19 Eiendom AS
- Fagerli Helse- og Kiropraktortjenester AS
- Fysioterapi og Trening, Bekkevold
- Fulham Supporters Club Norway
- Foreningen Ung i Oslo
- Fjellfant Mats Eirik Linaae
- Fram Pensjon Olaf Framnes
- Foreningen Ung i Oslo
- Foreningen for Kinesere i Norge
- Foreningen for Kinesere i Norge
- Flex Trading Jens Johann Döppert
- Fredrik Fabrikk Fredrik Eive Refsli
- Fau Læringsverkstedet Barnehage, Avd. Bjerke Panorama
- Fau Læringsverkstedet Barnehage, Avd. Bjerke Panorama