Here's a ranking you can find on Wikipedia:
http://en.wikipedia.org/wiki/Game_publisher#Selected_video_game_publishers
Below are the top 20 video game publishers, ranked by Game Developer Magazine in October 2006, in order of overall score in six factors: annual turnover, number of releases, average review score, quality of producers, reliability of milestone payments and the quality of staff pay and perks. Note that this is not a ranking by revenue, but of the quality of experience of working with the publishers according to staff, and some video game development companies. 2005 positions have been maintained. Buena Vista Games and NCSoft are new to the list, bumping Codemasters off the list.
| 2006 Position | Name of Publisher | 2005 Position |
|---|---|---|
| 1st | Electronic Arts | 1st |
| 2nd | Nintendo | 3rd |
| 3rd | Activision | 2nd |
| 4th | Sony Computer Entertainment | 5th |
| 5th | Take-Two Interactive | 10th |
| 6th | Microsoft Game Studios | 4th |
| 7th | THQ | 8th |
| 8th | Ubisoft | 6th |
| 9th | Konami | 8th |
| 10th | Sega | 9th |
| 11th | Namco Bandai | N/A (merger - Namco previously 11th) |
| 12th | Vivendi Games | 12th (previously Vivendi Universal Games) |
| 13th | Square Enix | 16th |
| 14th | Capcom | 15th |
| 15th | NCSoft | N/A (new entry) |
| 16th | SCi/Eidos Interactive | N/A (merger - SCi previously 14th) |
| 17th | Lucasarts | 20th |
| 18th | Buena Vista Games | N/A (new entry) |
| 19th | Atari | 13th |
| 20th | Midway Games | 19th |







