Bedrift F - Billingstad
- Fixologi AS
- Fødehuset AS
- Fagerbakk AS
- Frimino AS
- Fiorano AS
- Fondsspar AS
- Frostec AS
- Foodoccasion
- Fornuft
- Foyn Thomas
- Flextronics Bedriftsidrettslag
- Fredrikstad Hytteforening
- Foreningen Barnehjemmet
- Forum Lex AS
- Fjeldheim Musikk
- Finsnekkeriet Holtan
- Flux Invest AS
- Folkets Parti
- Folkets Parti
- Frednes Prosjekt AS
- Functor Health AS
- Floberg Follestad AS
- Fjærbryn Verpetinskiene
- Fathom Norge AS
- Fredriks Invest AS
- Fredrikstad TM
- Flow Teknikk AS
- Flow-teknikk AS
- Floberg Holding AS
- Floberg Holding AS
- Forebyggende Helse AS
- Figenschou Logopeden
- Falkenberg Eftf
- Fausa Finans AS
- Focus Software AS
- Flyplass Eiendom AS
- Fleur Damefrisør
- Floriss Drift AS
- Friforeningen Ungdomsklubb
- Fifth Season AS
- Føyka Storband
- Funplays Billingstad
- Frakt AS Nordisk
- Flisekompaniet Billingstad
- Fbi Invest AS
- Fagerli Mekaniske
- Fjellet Velforening
- Fleisch Holding AS
- Frogner Installasjon AS
- Ferkon Bygg AS
- Forus-nord AS
- Fakta Renhold AS
- Floriss Drift AS
- Fotograf Bjørn Blegen
- Fau Billingstad Skole
- Fabricia Mendonca Ramiro
- Fremtidig Helse Dalfrén
- Freidun Karami Tannlege AS
- Fotograf Heidi Dokter
- Fotojournalist Anders Nilsen
- Fluffy Dolls Nystrøm
- Foreningen Interflora Norge
- First Auto Export AS
- Fysioterapeut Annie Gundersen
- Furukroken Tur Vestre Billingstad
- Fungroup Andre Lewis Aamodt
- Fgb Nettverk Fred Gunnar Bergersen
- Forward In Faith Church Internation
- Forward In Faith Church Internation
- Foreningen Interflora Norges Humanitære Fond
- Fixel - Din elektriker på dagen AS
- Fotolab.no Avdeling Asker og Bærum AS