Background: Foundation 9 Entertainment (F9E) is a world's largest association of independent developers. The company was formed in 2005 by the merger of Backbone Entertainment and The Collective, and later acquired some other studios. The F9E logo is never seen in games.

Foundation 9 studios:

Double Helix (formed through the merger of Shiny Entertainment and The Collective)
Griptonite Games (with Fizz Factor and Amaze Entertainment merged into it)
Pipeworks Software
ImaginEngine
Backbone Entertainment (with Backbone Emeryville)
Digital Eclipse Software (aka Backbone Vancouver)
Sumo Digital
Circle of Confusion (not a game developer)