In the World Data Center resides on Climate largest database on the Internet.




1.- World Data Centre for Climate: World Data Center climate. with   
   * 220 terabytes of data on the Web   
   * Additional 6 petabytes of data








2.- National Energy Research Scientific Computing Center, with 2.8 petabytes.










3.- AT & T (U.S. telecommunications company), with 312 terabytes.








4.- Google: Not much information, but estimated about 33 trillion BIL data entry








5.- Sprint (U.S. Phone Company): About 2.9 billion rows of data (probably the database with as many rows).








6.- ChoicePoint (population information, telephone): 250 terabytes.








7.- YouTube, probably 70 to 90 terabytes of videos.








8.- Amazon, with over 42 terabytes of data.








9.- The CIA (Central Intelligence Agency of USA): Of course it is not known and it contains the database of the CIA, but BIL volume estimated at more than 30 and less than 42 terabytes.








10.- Library of Congress in the U.S., with over 30 terabytes of data (text).