|Class A Full Members
||Organizations with principal interests in either (1) the generation or use of new scientific or technical information,
or (2) the coordination of activities of type (1) within a geographical area or within a discipline.
||Includes organizations primarily representing the interests of scientific and technical information users,
such as scientific unions, learned societies, and national academies.
|Class B Full Members
||Organizations with principal activities in the collection, storage, organization, or dissemination of scientific or technical information.
||Includes abstracting and indexing services, data centers and services, representatives of primary publishers,
online vendors, networks, libraries, information centers, and also policy making bodies, sponsors and coordinators
of information activities.
|Class C Associate Members
||Organizations with some interests in common with those of ICSTI.
||Includes organizations concerned with the transfer of scientific information who wish to keep abreast of, and
contribute to the activities and development of ICSTI.
|Class D Honorary Members
||Persons whose outstanding contribution to the work of ICSTI merits special recognition.