AKCA - American Koi Clubs Association.
BKKS - British Koi Keepers Society.
KLAN - Koi Leibhabbers Am Niederrhein (Germany)
MAKC - Mid Atlantic Koi Club (USA)
NVN - Nishikigoi Vereniging Nederland
PNKCA - Pacific Northwest Koi Clubs Association (US & Canada)
SAKKS - South African Koi Keepers Society
VKVV - Vlaamse Koi en Vijver Vrienden (Belgium)
ZNA - Zen Nippon Airinkai (Japan)