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.