Top Telecom Companies in USA List by Market Cap as of August 2026

TELEFONICA BRASIL is Telecom Company with headquarters is in Sao Paulo, Brazil providing mobile network services, fixed line services, internet services, television services.

As on 2022, TELEFONICA BRASIL has 34,000 employees.

TELEFONICA BRASIL annual revenue generated for period ending Dec-2022 was 48,041 million BRL.

TELEFONICA BRASIL annual net income generated for period ending Dec-2022 was 4,085 million BRL.

WESCO International is a Electrical, Communications, Utility Distribution and Supply Chain Solutions company. It is having nearly 800 branches and warehouses worldwide, revenue is $17 Billion and having more than 18,000 employees. The company process to combine product and service offerings, expertise and supplier relationships into comprehensive supply chain management solutions for customers and their operations around the world. The headquarters is in USA.

Zayo Group Holdings is a Communication and Technology Service company. The company services are fiber and bandwidth connectivity, colocation and cloud infrastructure. The headquarters is in USA.

Zayo acquired by Digital Colony and EQT for 14.3 Billion USD.

EnerSys is a Stored Energy Solutions company. The company have grown to become a multibillion dollar global industrial technology enterprise, delivering energy storage systems and solutions to customers across a wide range of industries and application and operations serving over 10,000 customers in 100 countries. The headquarters is in USA.

Company provides from IT, hosting and managed services for your business to High-speed Internet, TV and Voice for your home. Headquarters is in USA.

CENTURYLINK is renamed to LUMEN TECHNOLOGIES in 2020.

Iridium Communications is a Mobile Satellite Communications company. It offering voice and data connectivity through a constellation of 66 crosslinked LEO satellites and keeps people and things connected on the land, in the air or at sea. The company products are accessories, IoT products, partner products, iridium pilot and satellite phones. The headquarters is in USA.

Liberty Broadband Corporation is Telecom and Cable Operating Company with headquarters is in USA. Provides Internet and TV Connectivity subscriptions. Liberty Broadband Corporation’s principal assets consist of its interest in Charter Communications, Inc. and its subsidiary TruePosition, Inc . Charter is one of the largest providers of cable services in the United States, offering a variety of entertainment, information and communications solutions to residential and commercial customers.