.hack//SIGN Companhias

Animation: Bee Train

Backgrounds: Production AI

Broadcaster:
Bandai Channel
TV Tokyo

Copyright: Project.hack

Creation: Project .hack

Finish Animation:
Bee Train Digital
Frontline
Hangzhou Flying Dragon Cartoon Co., Ltd.
J.C. Staff
M.S.C.
M.S.J Musashino Production
Studio Road
Tamazawa Dogasha

In-Between Animation:
APPP
Bee Train
DAST Corporation
M.S.J Musashino Production
MSC
MSJ
Production I.G
Radix
Studio DEEN
Studio MAT
Studio Zain
VENET
Xebec

Music Production: Victor Entertainment

Music Recording: Sound Valley (Tokyo)

Photography: Studio Twinkle

Production:
Bandai Visual
Yomiko Advertising, Inc.

Production Cooperation: CyberConnect2

Sound Production: Half HP Studio

Sound Recording: Half HP Studio

Soundtrack Production: Space Craft Produce

Info: http://www.animenewsnetwork.com/encyclopedia/anime.php?id=605