Yes
Telefonica
android os
george soros
Monsanto
your mom >:3
It depends on what the company is providing. The fifth largest provider of terrestrial mobile phone network operators measured by number of subscribers (and by proportionate subscribers, if the company has holdings in other operators).is América Móvil in Mexico. The fifth largest ISP service provider in the world is Chunghwa Telecommunications (CHT), based in Taipei, Taiwan.
Comcast is the largest cable provider and largest Internet service provider in the United States. When it comes to home phone service, Comcast ranks third on the list.
android
The largest healthcare provider in the US is the Veteran's Administration, which maintains 1,384 hospitals and clinics.
there are different types of o.s file the biggest selling OS file in mob is android n there are so much o.s file like maemo,meego,symbian n windowx.the nokia is the largest selling in symbian mob
Federal Goverment
Telefonica is the fifth largest Spanish broadband and telecommunications provider in the world.