in no particular order and probably missing a bunch:
Invocation Array
Xandria
All Levels At Once
Hey Dog Dog
I Fight Dragons
Tiasu
Bignic
Blue Stahli
Edenbridge
Dunderpatrullen
Bossfight (well, everything before Nock 'Em)
Meganeko
Auvic
Sakuzyo
Scandroid
The Flashbulb
Dance with the Dead
The Luna Sequence
Bunnymajs
Shirobon
Adhesive Wombat
(these are bands/artists)