Bedrift F - Årvoll
- Ferenda
- Friksjon AS
- Franqueza AS
- Fedra AS
- Finco AS
- Fjetland IT
- Fysioterapeut Næss
- Fjellveiens Velforening
- Femme Invest AS
- Freimsvegen 15 AS
- Fg Holding AS
- Fastflow Solutions AS
- Flisrehab Binaku
- Fotograf Heimvoll
- Fram Project AS
- Folkeakademiet Bjerke
- Forlaget Tjuvtjern
- Flc Investments AS
- Fruit Invest AS
- Fossveien 14 AS
- Familiar Code AS
- For Investering AS
- Føyen Import
- Fagerli Sykkelverksted
- Frattasio Import
- Foodoraklubben Oslo
- Foodoraklubben Oslo
- Finger Holding AS
- Frakk Kapital AS
- Frank Opakersund
- Fluid Design DA
- Fiberrent Steinar Nyløkken
- Freddy Engebretsen AS Konkursbo
- Freddy Engebretsen AS Konkursbo
- Fau Årvoll Skole
- Fau Årvoll Skole
- Fortelleriet Helga Samset
- Fredrik Moksnes Marinbio
- Francesca Vimercati Arkitekt
- Foym Sports Group AS
- Facinett Myhre Sev
- Faban Holding AS Tvangsavviklingsbo
- Faban Holding AS Tvangsavviklingsbo
- Frennings vei 19 Eiendom AS
- Fysioterapi og Trening, Bekkevold
- Fosser Film & TV
- Fult med Flit Strömberg
- Fagerli Helse- og Kiropraktortjenester AS
- Foreningen Ung i Oslo
- Foreningen Ung i Oslo
- Fulham Supporters Club Norway
- Fjellfant Mats Eirik Linaae
- Foreningen for Kinesere i Norge
- Faia Artist og Accessories Hjelle
- Foreningen for Kinesere i Norge
- Flex Trading Jens Johann Döppert
- Fredrik Fabrikk Fredrik Eive Refsli