This list identifies the largest telecommunications companies by total revenue. For a more thorough list, see the By region section.
By total revenue
Note: Numbers of total revenues of most telephone operating companies are sourced from Forbes or MarketScreener. When US$ revenues unavailable from reliable sites, currency conversions for 2026 revenues are based on the closing currency exchange rate on the last day of 2026 (June 20).
By region List of telecommunications companies in the Americas List of telecommunications companies in Asia and Oceania List of telecommunications companies in Europe List of telecommunications companies in the Middle East and Africa
See also Telecommunications company ITU-T Landline List of mobile network operators List of mobile network operators of the Americas List of mobile network operators in Asia and Oceania List of mobile network operators in Europe List of mobile network operators in the Middle East and Africa List of mobile network operators in Canada List of mobile network operators of the Caribbean Mobile network operator Mobile phone Mobile virtual network operator List of sovereign states by number of broadband Internet subscriptions List of countries by number of Internet users List of countries by number of telephone lines in use List of countries by smartphone penetration List of multiple-system operators Companies portal Telephones portal
References
Electronic communications – 2nd quarter 2014