Top 10 Largest Telecom 

Operators in World

1. AT&T - the former SBC merged with AT&T creating the new AT&T (USA)
2. China Mobile - formerly China state-owned, now still state-controlled, one of two mobile phone monopolies in the entire China.
3. Vodafone - Britain's largest telecom operator.
4. Verizon Communications - US-based telecom company formed after a series of mergers.
5. Telefonica - Multinational company with stakes in Dpain, Latin America and Europe. Owns the O2 brand.
6. Deutsche Telekom - German telecom company, also owns t-mobile.
7. America Movil - Mexican operator controlled by the world's richest man - Carlos Slim.
8. NTT DoCoMo - One of Japan's telecom operators.
9. France Telecom - One of France's telecom companies.
10. Nippon Telegraph & Telephone - Japan's second largest telecom operator.