Bedrift F - Langesund
- Fagerheimlåven
- Firestarter AS
- Fådetgjort AS
- Fagerheim Båtforening
- Fagerheim Vel
- Finny Sirevaag AS
- Foreningen Jgs
- Fikkjebakke Eiendom AS
- Ffo Bamble
- Firkløver HK
- Fagforbundet Bamble
- Fasadevask, Grenland AS
- Ff Energi AS
- Flex Langesund AS
- Fareid Tecnology AS
- Fareid Holding AS
- Flåthe Per Fotograf
- Fish & Ships
- Fjord Line AS Avd Langesund
- Fisker Kai Dalene
- Firma Stig Thorkildsen
- Fish & Ships
- Frederik Vagner Nielsen
- Fysioterapeut Iselind Bjurholt
- Foreningen Skougaards Hus
- Fysioterapeut Andreas Roeim - Mestringsbasen
- Foreningen John G Scene
- Fjord Line Velferd Avd. Langesund
- Firma Uslugowa Marcin Szalbot
- Findal & Findal Holding AS
- Foreningen John G Scene
- Foreningen for Hjertesyke Barn i Telemark
- Forlaget Liv i Frihet Victor Skimmeland Translators