For excellent performances, sonics, and concepts, these two are in a class of their own:
Alpha
http://www.alpha-prod.com
Alia Vox
http://classique.abeillemusique.com/result.php?mots=&label=3
Also very good are: Naive/Opus111, ECM, Ambroise, Glossa, Dorian (now defunct, sadly), Pneuma, Channel Classics
Alpha
http://www.alpha-prod.com
Alia Vox
http://classique.abeillemusique.com/result.php?mots=&label=3
Also very good are: Naive/Opus111, ECM, Ambroise, Glossa, Dorian (now defunct, sadly), Pneuma, Channel Classics