UNO (United Nations Organization)

Formation: 24 October, 1945
Secretary General: António Guterres
Headquarters: New York, United States
Member Countries: 193

NATO (The North Atlantic Treaty Organization)

Formation: 04 April 1949
Secretary General: Mark Rutte
Headquarters: Brussels, Belgium
Member Countries: 32

WHO (World Health Organization)

Formation: 07 April, 1948
Director General: Tedros Adhanom Ghebreyesus
Headquarters: Geneva, Switzerland

IMF (International Monetary Fund)

Formation: 27 December, 1945
Managing Director: Kristalina Georgieva
Headquarters: Washington, D.C. US
Member Countries: 191 (190 UN countries and Kosovo)

World Bank

Formation: 07 July, 1944
President: Ajay Banga
Headquarters: Washington, D.C. US
Member Countries: 189 countries (IBRD)

ADB (The Asian Development Bank)

Formation: 19 December, 1966
President: Masato Kanda
Headquarters: Philippines
Member Countries: 69

NASA (The National Aeronautics & Space Administration)

Formation: 29 July, 1958
Founder: Dwight D. Eisenhower
Administrator: Jared Isaacman
Headquarters: Washington, D.C. US

OIC (Organization of Islamic Cooperation)

Formation: 1969
Secretary General: Hissein Brahim Taha
Headquarters: Jeddah, Saudi Arabia
Member Countries: 57
First Summit in Pakistan: February, 1974 in Lahore, Pakistan (it was the 2nd summit of OIC)

SAARC (The South Asian Association for Regional Cooperation)

Formation: 08 December, 1985
Secretary General: Golam Sarwar
Headquarters: Kathmandu, Nepal
Member Countries: 08

SCO (Shanghai Cooperation Organization)

Formation: 15 June, 2001
Secretary General: Nurlan Yermekbayev
Headquarters: Beijing, China
Member Countries: 10
Members: 10 (Pakistan Joined on 09 June, 2017)

ICC (The International Cricket Council)

Formation: 15 June, 1909
Chairman: Jay Shah
Headquarters: Dubai, UAE