Bedrift F - Briskeby
- Forbaska AS
- Fisci AS
- Ffarg AS
- Feltskjær AS
- Francesco Pasarelli
- Fysi Saltvedt
- Foreningen Langaardsløkken
- Foreningen Langaardsløkken
- Furulund Biciklo
- Frogner Hudklinikk AS
- Fjeldstad Harald
- Fomo Frank AS
- Frogner Nails AS
- Fjord Consulting AS
- Fruens Finans AS
- Finn Treningspartner AS
- Fjeldheim Vaktmestertjenester
- Fearnleysgate 4 AS
- Furuhovde Invest AS
- Faber Futures AS
- Fridheim Barnehage AS
- Fau Uranienborg Skole
- Fau Uranienborg Skole
- Food Society AS Frogner
- Fysioterapeut Stavros Tsimachidis
- Fubedurius Gudmund Hernes
- Falch Sogn Interior
- Flyt By Østrem
- Fb Invest Oslo AS
- Finn Dahles Stiftelse
- Forglemmegei Rostrup Blomsterkonservering
- Frederique Institut de Beaute
- Flaen Sebastian Mikal Sundet
- First Partners Holding 8 AS
- Fatima Dominguez Rabazo Consulting
- Foreningen Progressiv Jødedom i Norge
- Foss Bil og Caravan Utleie AS
- Flatåsen Vann- og Avløpslag Drift SA