This information is part of the Open Yearbook, a free service of UIA's subscription-based Yearbook of International Organizations (YBIO). It includes profiles of non-profit organizations working worldwide in all fields of activity. The information contained in the profiles and search functionality of this free service are limited.

The full-featured Yearbook of International Organizations (YBIO) includes over 70,000 organization profiles, additional information in the profiles, sophisticated search functionality and data export. For more information about YBIO, please click here or contact us.

The UIA is a leading provider of information about international non-profit organizations. The aim of the Open Yearbook is to promote the activities of international non-governmental organizations (INGOs) and intergovernmental organizations (IGOs).

International Organizations Search

Name Acronym Founded City HQ Country/Territory HQ Type I Type II Type III

International Society for Third-Sector Research

ISTR 1992 Baltimore MD USA B

International Society for Tropical Ecology

ISTE 1956 Varanasi India B

International Society of Aesthetic Plastic Surgery

ISAPS 1970 Hanover NH USA B v

International Society of Antimicrobial Chemotherapy

ISAC 1961 Aberdeen UK B y International Federations

International Society of Biometeorology

ISB 1956 Milwaukee WI USA B y International Federations

International Society of Blood Transfusion

ISBT 1937 Amsterdam Netherlands B

International Society of Cardiovascular Pharmacotherapy

ISCP Kyoto Japan B

International Society of Citriculture

ISC 1970 Riverside CA USA B v

International Society of City and Regional Planners

ISOCARP 1965 The Hague Netherlands B

International Society of Dermatology

ISD 1958 Waldorf MD USA B v

International Society of Endocrinology

ISE 1960 Geneva Switzerland B

International Society of Hematology

ISH 1946 Nagoya Japan B v

International Society of Internal Medicine

ISIM 1948 Jakarta Indonesia B

International Society of Limnology

1922 Montréal QC Canada B

International Society of Nephrology

ISN 1960 Brussels Belgium B y International Federations

International Society of Orthopaedic Surgery and Traumatology

1929 Brussels Belgium B v

International Society of Phonetic Sciences

ISPhS 1938 Budapest Hungary B

International Society of Physical and Rehabilitation Medicine

ISPRM 1999 Milan Italy B

International Society of Radiographers and Radiological Technologists

ISRRT 1959 B

International Society of Radiology

ISR 1953 Reston VA USA B y International Federations

International Society of Social Defence and Humane Criminal Policy

ISSD 1946 Milan Italy B v

International Society of Sugar Cane Technologists

ISSCT 1924 Quatre-Bornes Mauritius B

International Society of Surgery

ISS 1902 Zurich Switzerland B y International Federations

International Society of Tropical Foresters

ISTF 1950 New Haven CT USA B y International Federations

International Society on Early Intervention

ISEI Seattle WA USA B

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