Information in the game database is updated periodically. Below, you'll find that information compiled as pertains to Insomniac Games. The company may be involved as a publisher, developer or both.
Ratchet & Clank Collection [August 28, 2012]
Ratchet & Clank: Full Frontal Assault [November 27, 2012]
Ratchet & Clank: Future [October 30, 2007]
Ratchet & Clank Future: A Crack in Time [October 27, 2009]
Ratchet & Clank: Quest for Booty 
Resistance 2 [November 4, 2008]
Resistance 3 [September 6, 2011]
Resistance: Fall of Man [November 13, 2006]
Resistance: The Trilogy [May 16, 2012]
There are numerous companies in the industry, and their names change like the weather. The information above is not particular about the finer details. Acquisitions are common, so companies with no recent listings may still be developing games under a new name. For example, DMA Design currently has a Rockstar name. Do you know of a title that is not listed above but should be? Be sure and let a staff member know. You can contact staff if you click here.