1. Companies starting with F:

      Factor 5
      Factory Programming
      Family Games
      Fanfare
      Fantastic Software
      Farsight Studios
      FASA
      FCI
      File of the Day
      Firaxis
      Firebird Licensees
      Firefly Games
      Fireglow
      First Row Software Publishing
      Flint OLD
      Florida Creations
      Fluid Entertainment
      Flying Edge
      Focus Home
      FormGen
      Fountainhead
      Four Productions
      Fox
      FreeVBCode.com
      Freeze Tag
      Frima
      From Software
      Frontier Developments
      Frozen Codebase
      FTL
      Fugazo
      Full Armor Studios
      Funatics
      Funcom
      Funkitron
      Funsoft
      Funsta
      Futureview

      Note: bolded names indicate companies that released a game within the last twelve months.