All ISC Members
Category 1 Members: Scientific umbrella organizations devoted to the practice and promotion
of a scientific discipline or area of science
Category 2 Members: Academies of sciences, research councils and analogous scientific bodies representing a broad spectrum of scientific fields and disciplines on a national, territorial or regional level
Category 3 Members: National, regional or global organizations including young scientist organizations, scientific federations and societies
Category 4 Members: Observer organizations, including co-sponsored science programmes