- The Islamic University of Technology was set up by the OIC in Bangladesh
- The Statistical, Economic and Social Research and Training Centre for Islamic Countries, in Ankara, Turkey.
- The Research Centre for Islamic History, Art and Culture (IRCICA), located in Istanbul, Turkey.
- The Islamic University of Technology, located in Dhaka, Bangladesh.
- The Islamic Centre for the Development of Trade, located in Casablanca, Morocco.
- The Islamic Fiqh Academy, located in Jeddah, Saudi Arabia.
- The Islamsate Islamic network, located at Riyadh, Saudi Arabia and Pakistan.
- The Executive Bureau of the Islamic Solidarity Fund and its Waqf, located in Jeddah, Saudi Arabia.
- The Islamic University in Niger, located in Say, Niger.
- The Islamic University in Uganda, located in Mbale, Uganda.
The OIC system consists of:
- Islamic summit.
The largest meeting, attended by the kings and the heads of state and government of the member states. The Islamic Summit takes policy decisions and provide guidance on all issues pertaining to the realisation of the objectives as provided for in the Charter and consider other issues of concern to the Member States and the Ummah.
- Secretary General.
The Secretary General is elected by the Council of Foreign Ministers for a period of five years, renewable once. The Secretary-General is elected from among nationals of the Member States in accordance with the principles of equitable geographical distribution, rotation and equal opportunity for all Member States with due consideration to competence, integrity and experience.
- Islamic Conference of Foreign Ministers.
It meets once a year to examine a progress report on the implementation of its decisions taken within the framework of the policy defined by the Islamic Summit.
- Permanent Secretariat.
It is the executive organ of the Organisation, entrusted with the implementation of the decisions of the two preceding bodies, and is located in Jeddah, Saudi Arabia. The current secretary general of this international organisation is Iyad Bin Amin Madani from Mecca, Saudi Arabia, since 31 January 2014.
- The Islamic Educational, Scientific and Cultural Organisation (ISESCO), located in Rabat, Morocco.
- The Islamic States Broadcasting Organisation (ISBO) and the International Islamic News Agency (IINA), located in Jeddah, Saudi Arabia.
- Islamic Chamber of Commerce and Industry (ICCI), located in Karachi, Pakistan.
- World Islamic Economic Forum (WIEF), located in Kuala Lumpur, Malaysia.
- Organisation of Islamic Capitals and Cities (OICC), located in Jeddah, Saudi Arabia.
- Sports Federation of Islamic Solidarity Games, located in Riyadh, Saudi Arabia.
- Islamic Committee of the International Crescent (ICIC), located in Benghazi, Libya.
- Islamic Shipowners Association (ISA), located in Jeddah, Saudi Arabia.
- World Federation of International Arab-Islamic Schools, located in Jeddah, Saudi Arabia.
- International Association of Islamic Banks (IAIB), located in Jeddah, Saudi Arabia.
- Islamic Conference Youth Forum for Dialogue and Cooperation (ICYF-DC), located in Istanbul, Turkey.
- General Council for Islamic Banks and Financial Institutions (CIBAFI), located in Manama, Bahrain.
- Standards and Metrology Institute for Islamic Countries (SMIIC), located in Istanbul, Turkey.
Member states of the OIC:
- Буркина Фасо
- Палестинская автономия
- Саудовская аравия
- Bosnia and Herzegovina
- Northern Cyprus
- The Central African Republic