http://music.3yen.com/category/bootlegs/
Below is a list of known bootleg CD publishers:
Son May (SM) - GGG, GA, GSM, SM, SS, AnG, SMA, SMB, GAME, CK
Smiley Face Records Ltd - KA, HO
Ever Anime - A8, TV, CV, NP, GM
Hi Fashion
Alion - ALCA
Miya Records - MICP
Archer Records - R
Ho Son - B, H
Wisdom Records
Yuanding
Top Circle
Golden Diamond