The Organisation of Islamic Cooperation, the second largest intergovernmental organisation after the United Nations has maintained various organisations and institutions focused on various subjects, including education, social and political.^[1] Its organs include subsidiaries, specialized and affiliated institutions, Islamic universities, commercial and non-commercial agencies, and various standing committees that play significant roles within the framework of the OIC.

The OIC has also maintained independent commissions in collaboration with the 57 member states. The OIC Council of Foreign Ministers is the second-highest decision-making body while the Islamic Summit of the Organisation of Islamic Cooperation is the highest decision-making authority. Both are administered by the Secretary General of the Organisation of Islamic Cooperation who is responsible for the implementation of decisions and recommendations made by the member states.

Subsidiary organisations

The organisations created under the framework of the OIC by the decision-making and policymaking bodies are known as "subsidiary" organisations. All members states became a part of subsidiary by default. However, budget is approved by OIC Council of Foreign Ministers. OIC manages six subsidiaries since its establishment.^[2]

No.	Acronyms	Agency	Headquarters	Established[2]	Comment
1	SESRIC	Statistical, Economic and Social Research and Training Centre for Islamic Countries	Ankara	1978
2	IRCICA	Research Centre for Islamic History, Art and Culture	Istanbul	1979
3	IUT	Islamic University of Technology	Dhaka	1978
4	ICDT	Islamic Centre for Development of Trade	Casablanca	1984
5	IIFA	International Islamic Fiqh Academy	Jeddah	1981
6	ISF	Islamic Solidarity Fund and its Waqf	Jeddah	1974

Specialized organisations

A specialized institution or organisation takes activities within the scope of the OIC. The council of foreign ministers are responsible for decisions, however they are implemented by the secretary general likewise subsidiary organs. When a specialized institution is adopted by the OIC, all member states required to sign memorandum than to be part of the institution automatically likewise subsidiary. Any member state has an option to become part of a specialized institution. It manages budge independently. OIC has been maintaining eight specialized institutions since it came into existence.^[3]

No.	Acronyms	Agency	Headquarters	Established[3]	Comment
1	IDB	Islamic Development Bank	Jeddah	1975
2	ICESCO	Islamic World Educational, Scientific and Cultural Organization	Rabat	1979
3	IBU	Islamic Broadcasting Union	Rabat	1979
4	UNA	Union of OIC News Agencies	Jeddah	1972
5	ICIC	Islamic Committee of the International Crescent	Benghazi	1977
6	STIO	The Science, Technology and Innovation Organization	Islamabad	2010
7	IOFS	Islamic Organisation for Food Security	Astana	2013
8	WDO	Women Development Organization	Cairo	2009

Affiliated organisations

Affiliated institutions membership is optional and a government, non-government, company or group within the territories of member states needs to sign memorandum to become a part of the OIC. Their budget is independent than being dependent likewise the budget of the Secretariat General, subsidiary and specialized organs. An Affiliated institutions of the OIC may obtain the status of observer granted by the Council of Foreign Ministers. They may also be voluntarily assisted by the OIC'S subsidiary as well as specialized institutions. The OIC has maintained seventeen affiliated institutions within its scope.^[4]

No.	Acronyms	Agency	Headquarters	Established[4]	Comment
1	ICCIA	Islamic Chamber of Commerce, Industry and Agriculture	Karachi	1978
2	OICC	Organization of Islamic Capitals and Cities	Jeddah	1980
3	ISSF	Islamic Solidarity Sports Federation	Riyadh	1985
4	WFAIIS	World Federation of Arabo-Islamic International Schools	Cairo	1976
5	OISA	Organization of the Islamic Shipowners Association	Saudi Arabia	1972
6	ICYF-DC	Islamic Conference Youth Forum for Dialogue and Cooperation	Istanbul	2004
7	IUMS	International Union of Muslim Scouts	Jeddah	1995
8	FCIC	Federation of Consultants from Islamic Countries	Istanbul	1986
9	IAS	Islamic World Academy of Sciences	Istanbul	2010
10	CIBAFI	General Council for Islamic Banks and Financial Institutions	Manama	2001
11	FOCIC	Federation of Contractors from Islamic Countries	- -	-
12	OIC-CERT	OIC Computer Emergency Response Team	Mines Wellness City	2009
13	SMIIC	Standards and Metrology Institute for Islamic Countries	Istanbul	1984
14	IIUM	International Islamic University Malaysia	Selangor	1983
15	ATAIC	Association of Tax Authorities of Islamic Countries	Khartoum	2003
16	REUOS	Real Estate Union in Islamic States	-	-
17	IBRAF	Organisation of Islamic Cooperation Broadcasting Regulatory Authorities Forum	Istanbul	2011

Standing Committees

In OIC's charter, a standing committee is a body working in the field of critical issues concerning cultural, political, social, religious and human rights issues among others. They are principally focused on human rights mechanism challenges within the member states. OIC has created four standing committees, including one sub-standing committee, Bayt Mal Al Quds Agency.^[5]

No.	Acronyms	Agency	Headquarters	Established[5]	Comment
1	-	Al-Quds Committee	Rabat	1975
2	-	Bayt Mal Al Quds Agency	Rabat	1995
3	COMIAC	Standing Committee for Information and Cultural Affairs	Dakar	1981
4	COMCEC	Standing Committee for Economic and Commercial Cooperation	Ankara	1981
5	COMSTECH	Standing Committee for Scientific and Technological Cooperation	Islamabad	1981

Other organs

The OIC has also maintained the Independent Permanent Human Rights Commission, an independent commission that formulate policies on human rights issues in Jerusalem and Palestine. It plays a central role in the protection of Al-Aqsa, in addition to observing the Israeli–Palestinian conflict and the Kashmir conflict.^[6][7]