AT&T Inc. provides telecommunications and technology services worldwide. The company operates through two segments, Communications and Latin America. The Communications segment offers wireless voice and data communications services; and sells handsets, wireless data cards, wireless computing devices, carrying cases/protective covers, and wireless chargers through its own company-owned stores, agents, and third-party retail stores. It also provides Virtual Private Networks, AT&T Dedicated Internet, Ethernet, data services, cloud solutions, outsourcing, and managed professional services, as well as customer premises equipment for multinational corporations, small and mid-sized businesses, governmental, and wholesale customers. In addition, this segment offers broadband services, including fiber connections, legacy telephony voice communication services, and other VoIP services and equipment to residential customers. This segment markets its communications services and products under the AT&T, AT&T Business, Cricket, AT&T PREPAID, and AT&T Fiber brand names. The Latin America segment provides postpaid and prepaid wireless services in Mexico under the AT&T and Unefon brand names, as well as sells smartphones through its owned stores, agents and third-party retail stores. The company was formerly known as SBC Communications Inc. and changed its name to AT&T Inc. in 2005. AT&T Inc. was incorporated in 1983 and is based in Dallas, Texas.

Telefónica, S.A., together with its subsidiaries, provides telecommunications services in Europe and Latin America. The company offers mobile and related services and products, such as mobile voice, value added, mobile data and internet, wholesale, corporate, roaming, fixed wireless, and trunking and paging services. It also provides fixed telecommunication services, including PSTN lines; ISDN accesses; public telephone services; local, domestic, and international long-distance and fixed-to-mobile communications; corporate communications; supplementary value-added services; video telephony; intelligent network; and telephony information services, as well as leases and sells handset equipment and telephony information services. It also provides Internet and broadband multimedia services comprising internet service provider, portal and network, retail and wholesale broadband access, narrowband switched access, security, internet through fibre to the home, and voice over internet protocol services. In addition, the company offers leased line, virtual private network, fibre optics, web hosting and application, managed hosting, content delivery, outsourcing and application, desktop, and system integration and professional services. Further, the company offers wholesale services for telecommunication operators, including domestic interconnection and international wholesale services; leased lines for other operators; and local loop leasing services, as well as bit stream services, wholesale line rental accesses, and leased ducts for other operators' fiber deployment. Additionally, it provides video/TV services; smart connectivity and services, and consumer IoT products; financial and other payment, security, cloud, advertising, big data, and digital experience services; Aura; open gateway, living apps; smart Wi-Fi, Phoenix, NT, Solar 360, and Movistar Home devices. Telefónica, S.A. was incorporated in 1924 and is headquartered in Madrid, Spain.

Telefônica Brasil S.A., together with its subsidiaries, operates as a mobile telecommunications company in Brazil. Its fixed line services portfolio includes local, domestic long-distance, and international long-distance calls; and mobile portfolio comprises voice and broadband internet access through 3G, 4G, 4.5G, and 5G, as well as value-added and wireless roaming services. The company also offers data services, including broadband and mobile data services. In addition, it provides pay TV services through IPTV technologies; network services, such as rental of facilities; other services; wholesale services, including interconnection services to users of other network providers; and digital services, such as entertainment, cloud, and security and financial services. Further, the company offers multimedia communication services, which include audio, data, voice and other sounds, images, texts, and other information, as well as sells devices, such as smartphones, broadband USB modems, and other devices. Additionally, it provides telecommunications solutions and IT support to various industries, such as retail, manufacturing, services, financial institutions, government, etc. It markets and sells its solutions through own stores, dealers, retail and distribution channels, door-to-door sales, and outbound tele sales. The company was formerly known as Telecomunicações de São Paulo S.A. - TELESP and changed its name to Telefônica Brasil S.A. in October 2011. The company was incorporated in 1998 and is headquartered in São Paulo, Brazil.

Millicom International Cellular S.A. provides cable and mobile services in Latin America. It offers mobile services, including mobile data and voice, and short message services; and mobile financial services, such as payments, money transfers, international remittances, savings, real-time loans, and micro-insurance. The company also operates TIGO Sports for local entertainment; Tigo Money that allows its customers to send and receive money without the need for a bank account; and TIGO ONEtv for pay TV. In addition, it provides fixed services, including broadband and fixed voice; and fixed-voice and data telecommunications services, managed services, cloud and security solutions, and value-added services; and tower infrastructure and services. The company serves small, medium, and large businesses, as well as residential consumers and governmental entities. It markets its products and services under the Tigo and Tigo Business brands. The company was founded in 1990 and is headquartered in Luxembourg.

Telecom Argentina S.A., together with its subsidiaries, provides telecommunications services. The company offers mobile telecommunications services, including voice communications, high-speed mobile Internet content and applications download, online streaming, and other services; and sells mobile communication devices, such as handsets, Modems MiFi and wingles, and smart watches. It also offers internet connectivity products, including virtual private network services, traditional Internet protocol links, and other products; and programming and other cable television services. In addition, the company provides telephone services, including local, domestic, and international long-distance telephone services, as well as public telephone services; and other related supplementary services, such as call waiting, call forwarding, conference calls, caller ID, voice mail, itemized billing, and maintenance services. Further, it offers Infrastructure, interconnection, datacenter, Internet, value added, and international long-distance services; and data services, including data transmission, virtual private networks, symmetric Internet access, national and international signal transport, and videoconferencing services; Personal Pay, a digital wallet service. The company was formerly known as Cablevisión S.A. and changed its name to Telecom Argentina S.A. in January 2018.Telecom Argentina S.A. was founded in 1979 and is based in Buenos Aires, Argentina.

Grupo Televisa, S.A.B., together with its subsidiaries, owns and operates cable companies and provides direct-to-home satellite pay television system in Mexico and the United States. It operates through three segments: Cable, Sky, and Other Businesses. The Cable segment operates cable multiple system that provides basic and premium television subscription, pay-per-view, installation, Internet subscription, and telephone and mobile services subscription, as well as local and national advertising services; and telecommunication facilities, which offers data and long-distance services solutions to carriers and other telecommunications service providers through its fiber-optic network. The Sky segment offers direct-to-home broadcast satellite pay television services comprising program, installation, and equipment rental services to subscribers in Mexico, Central America, and the Dominican Republic; and national advertising sales. The Other Businesses segment is involved in the sports and show business promotion, soccer, publishing and publishing distribution, and gaming, as well as provides transmission concessions and facilities. The company was founded in 1969 and is headquartered in Mexico City, Mexico.

Altice USA, Inc., together with its subsidiaries, provides broadband communications and video services in the United States, Canada, Puerto Rico, and the Virgin Islands. It offers broadband, video, telephony, and mobile services to residential and business customers. The company's video services include delivery of broadcast stations and cable networks; over the top services; video-on-demand, high-definition channels, digital video recorder, and pay-per-view services; and platforms for video programming through mobile applications. In addition, it provides voice over Internet protocol telephone services; and mobile services, such as data, talk, and text. Further, the company offers Ethernet, data transport, IP-based virtual private networks, Internet access, and telephony services; hosted telephony services, managed Wi-Fi, managed desktop and server backup, and collaboration services comprising audio and web conferencing; fiber-to-the-tower services to wireless carriers; data services consisting of wide area networking and dedicated data access, as well as wireless mesh networks; and enterprise class telephone services that include traditional multi-line phone service. Additionally, it provides hosted private branch exchange, network security, and international calling and toll-free numbers services. Furthermore, the company offers audience-based and multiscreen advertising solutions; data analytics; and news programming services, as well as operates news channels under the News 12 Networks, Cheddar, and i24NEWS names. It also provides broadband communications and video services under the Optimum and Suddenlink brands. Altice USA, Inc. was incorporated in 2015 and is headquartered in Long Island City, New York.

Liberty Latin America Ltd., together with its subsidiaries, provides fixed, mobile, and subsea telecommunications services. The company operates through C&W Caribbean, C&W Panama, Liberty Networks, Liberty Puerto Rico, and Liberty Costa Rico segments. It offers communications and entertainment services, including video, broadband internet, fixed-line, telephony, and mobiles services to residential and business customers; and business products and services that include enterprise-grade connectivity, data center, hosting, and managed solutions, as well as information technology solutions for small and medium enterprises, international companies, and governmental agencies. The company also operates a sub-sea and terrestrial fiber optic cable network that connects approximately 40 markets. It provides its services under the brands of C&W, Liberty Costa Rica, Liberty Communications, BTC, Flow, and Mas Móvil. The company was incorporated in 2017 and is based in Hamilton, Bermuda.