There are several big organizations. I cannot determine which one is biggest. It also depend on what you call an organization. I'm gonna list the ones I can think of.
Has the power to determine what you read online. Can also track what you are doing.
Bilderberg group
Has many of the biggest politicians and business people as its members.
United Nations
Name says it all.
US
Big country, big army.
Zionism
Lots of money and support.
Has big influence mainly in Europe and US but is getting smaller.
Freemasons
Many influential people are member.
Islam
Very powerful in Arabia, Asia and is growing in other parts of the world as well.
Maffia
MS13 is pretty big I heard.
To be the most powerful organization in the world(of Naruto) ;)
yes. the Italian mafia is the most powerful crime organization in America. there are other powerful gangs but the mafia is the most organized and secritive.
church?
The Boston committte itself and soon became the the most powerful
The Russian mafia is the 2nd most powerful mafia in todays world. The Italian mafia is the most powerful mafia in the world
The Christian Church was the single most powerful social organization in Europe from the Middle Ages to the end of the Victorian era.
The president isn't the most powerful person in the world. God is. Presidents are the most powerful and important people in the USA.
the most powerful telescope in the world is the lbt
For most of 2013, the military basically became the most powerful organization in Egypt.
No, there are more powerful militaries in the world.
After the first world war the USA became the most powerful one.
i am