Wander over to Next Generation to view their list of Europe's 50 best game producers.
http://www.next-gen.biz/index.php?option=com_content&task=view&id=5495&Itemid=2
I wish NextGen had included links to the companies, but they are easy enough to find via Google.
Here are links to a few of the top game producers:
Nival (Russia) http://www.nival.com/?english=1 ('Nightwatch' and 'Heroes of Might & Magic')
Play Logic (Netherlands) http://www.playlogicinternational.com/ ('Obscure II' and 'Xyanide' series)
Star Breeze (Sweden) http://www.starbreeze.com/ ('Enclave' and 'Riddick' series)
GSC Game World (Ukraine) http://www.gsc-game.com/ ('The Cossacks' and 'S.T.A.L.K.E.R' series)