American Society of Parasitologists
Association of Polish Malacologists (APM)
Conchologists of America
Crustacean Society
International Bee Research Association (IBRA)
International Bryozoology Association
International Federations of Nematology Societies
International Polychaetology Association
International Research Group on Ostracoda
International Society for Evolutionary Protistology (ISEP)
National Shellfisheries Association (NSA)
Organización de nematologistas de América tropical
Russian Society of Nematologists
Society of Nematologists (SON)
Sonoran Arthropod Studies Institute
Southern California Association of Marine Invertebrate Taxonomists
Western Society of Malacologists (WSM)