4-H Is the Largest Youth organization in the US with over 6.5 million youth currently enrolled. There are over 540,000 4-H volunteers as well as over 60 million 4-H alumni. http://www.fourhcouncil.edu/uploadedFiles/About/4-H%20Fact%20Sheet_0907.pdf
the LYPD Lanao Youth for Peace and Development. It was awarded by the National Youth Commission and Bantay kalikasan as the best youth Organization in Mindanao.
The motto of Organization for Youth Empowerment is 'Youth Helping Youth in Honduras'.
Catholic Youth Organization was created in 1930.
Marc antoni
The American Youth Soccer Organization is the largest single-entity youth soccer association in the United States of America. It has over 600000 registered players.
United Panhellenic Organization of Youth was created in 1943.
United Panhellenic Organization of Youth ended in 1958.
It's Indian Railway
United Nation (UN)
It is the largest information technology in this world.
The largest collection is probably in the hands of the DeBeers diamond organization.
The largest student organization of the world is the Indian nationalist student organization called ABVP or Akhil Bharatiya Vidyarthi Parishad with 17,80,802 registered, dues-paying student members. (Nov 2010)