Alphabetical order. Mostly instrumental.
Azu Piano (amateur VGM remixes; songs can be found on youtube)
Blizzard Entertainment (lawl. Echoes of War album)
Bond
Coldplay
Doyle W. Donehoo (Dawn of War II soundtrack)
Eric Speed (rock violin! Wooh! lol)
Evanescence
Fairuzons (amateur VGM composer; songs can be found on youtube)
Hans Zimmer (various film scores)
Linkin Park
Motoi Sakuraba (Eternal Sonata, Tales of Symphonia 1/2 soundtracks)
NemesisTheory (not sure how to classify his music..? but it can be found on youtube)
Nightwish
Rise Against
S.F.A. (Granado Espada soundtrack)
SOUNDTeMP (Granado Espada soundtrack)
SSBB Soundtrack
Stanislav Bunin (Eternal Sonata soundtrack)
Switchfoot
Tanaka Rie
This Providence
Vanessa Mae