Top 10 Largest Telecommunication companies in the world/ Telecommunication company.

Top 10 Largest Telecommunication companies in the world

1. AT&T- world wide
Headquarters- Whitacare tower Dallas Texas USA
2. VERIZON- world wide( mainly USA)
Headquarters- New York USA
3. DEUTSCHE telecom- world wide ( mainly Europe)
Headquarters- Bonn Germany
4. Comcast- world wide ( mainly us & Europe)
Headquarters- Philadelphia Pennsylvania USA
5. Nippon telegraph and telephone- Japan
Headquarters- othemachi, chiyoda Tokyo Japan
6. China mobile- mainly china
Headquarters- Beijing China
7. China telecom- china
Headquarters- Beijing, Shanghai China
8. Vodafone- world wide
Headquarters- Newbury Berkshire England UK
9. Orange S.A.- world wide
Headquarters- Issy-les-moulineaux France
10. Telefonica S. A.- world wide
Headquarters- Distrito Telefonica, Madrid Spain


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