My favorites in no particular order:
CDG
Dries van Noten
Preen
Aquascutum
Akira
Honorable mention: Costello Tagliapietra, Ann Demeulemeester, Yohji, Akris, Antonio Marras, Issey Miyake, Chanel, Jasmin Shokrian, John Rocha, Prada, Hussein Chalayan, Sophia Kokosalaki and Stella.