Bedrift F - Lambertseter
- Fysio/Ergoterapitjenesten
- Familiebarnehagene
- Fanny Odden
- Fredrick Bjerke
- Fam Beauty AS
- Frank Sigurdsøn
- Fonus Lambertseter
- Feltarbeiderteamet Utekontakten
- Floriss Lambertseter
- Ftb Saaliti
- Fabulous Media AS
- Film Salabim AS
- Fjærestad Web
- Falchenberg Consulting
- Fosseli Consulting
- Falchenberg Vinkonsult
- Fjeldstad IT
- Future Foundry AS
- Fosb Invest AS
- F&i Holding AS
- Fjellheim-Invest AS
- Fjeldberg Eiendom AS
- Fjeldberg Consulting AS
- Finnsisu Renhold DA
- Fahrenheit Fashions DA
- Foreningen Flyprat
- Fritzvold Fysioterapi
- Fortune Finance AS
- Firveld Invest AS
- Fix Regnskap AS
- Floriss Lambertseter
- Flemming Brestrup
- Ford Music
- Friday Koroma
- Fj Michalski
- Frilseth Coaching
- Færder Entreprenør AS
- Fitbutikken Driscoll
- Frank Brenna
- Folkets Falafel AS
- Filosofiforeningen Exphil
- Fadme Ivanova
- Farah Taxi
- Flyttepartneren Holt
- Fonvig Group
- Fagus Moss
- Fredriksen Film AS
- Fredrik Strømsnes
- Fatemehjila Saffari
- Filip Hammarlund
- Flying Tiger Copenhagen
- Farstadfilene Hasse Farstad
- Firma K Myhre
- Fagernes Senter Holding AS
- Foreningen Brattbakken Vannverk
- Foreningen Brattbakken Vannverk
- Free Fighters Guild
- Flow And Balance AS
- Fog Of War AS
- Fau Karlsrud Skole
- Foreningen for Synshemmede
- Fotograf Alexander Thorsen
- Fau Nylænde Barnehage
- Fau Nylænde Barnehage
- Foreningen for Synshemmede
- Fredrik Kristian Jensen
- Fau Radiohuset Barnehage
- Fysio Corzo Ramon
- Fau Radiohuset Barnehage
- Florin Cristian Ursu
- Fysioterapeut Christian Kielland
- Fau Steinspranget Barnehage
- Fau Lambertseter Skole
- Fix renhold Oslo AS
- Frisør Christina Cortsen
- Fredrik Dale Holding AS
- Fred René Buljo
- Fysioterapeut Ellen Johansen AS
- Fiona Willie Kouame Koudou
- Forenfor Trond Egil Nordby
- Fjærestad Ole Kristian Ulsrud
- Forty2 By Vegar Sinding
- Ferie- og Støttetiltak i Nordstrand
- Foreningen for Slaviske Kampsport Tradisjoner Rma Systema