Tier 1 networks

partially privatized German telecommunications company

Verizon Communications Inc. ( ) is an American telecommunications company headquartered in New York City. It is the world's second-largest telecommunications company by revenue and its mobile network is the largest wireless carrier in the United States, with 146.1 million subscribers as of June 30, 2025.

, S.A. () is a Spanish multinational telecommunications company. It has headquarters as well as a registered office in Madrid, Spain. It is one of the largest telephone operators and mobile network providers in the world. It provides fixed and mobile telephony, broadband, and subscription television, operating in Europe and the Americas.

former US American telecommunication company

Movistar () is a major telecommunications provider owned by Telefónica, operating in Spain and Hispanic American countries. It is the largest provider of landline, broadband, mobile services, and pay television (Movistar Plus+) in Spain. Movistar is the second-largest wireless carrier in Mexico, with 25.8 million subscribers as of January 2020.

technology company

American company

internet service provider with direct connectivity to the Internet without paying other ISPs to connect to their networks

Indian telecommunications company

Japanese company