Verizon Communications Inc., through its subsidiaries, engages in the provision of communications, technology, information, and entertainment products and services to consumers, businesses, and governmental entities worldwide. It operates in two segments, Verizon Consumer Group (Consumer) and Verizon Business Group (Business). The Consumer segment provides wireless services across the wireless networks in the United States under the Verizon and TracFone brands and through wholesale and other arrangements; and fixed wireless access (FWA) broadband through its wireless networks, as well as related equipment and devices, such as smartphones, tablets, smart watches, and other wireless-enabled connected devices. The segment also offers wireline services in the Mid-Atlantic and Northeastern United States, as well as Washington D.C. through its fiber-optic network, Verizon Fios product portfolio, and a copper-based network. The Business segment provides wireless and wireline communications services and products, including FWA broadband, data, video and conferencing, corporate networking, security and managed network, local and long-distance voice, and network access services to deliver various IoT services and products to businesses, government customers, and wireless and wireline carriers in the United States and internationally. The company was formerly known as Bell Atlantic Corporation and changed its name to Verizon Communications Inc. in June 2000. Verizon Communications Inc. was incorporated in 1983 and is headquartered in New York, New York.

América Móvil, S.A.B. de C.V. provides telecommunications services in Latin America and internationally. The company offers wireless and fixed voice services, including airtime, local, domestic, and international long-distance services; and network interconnection services. It provides data services, such as data centers, data administration, and hosting services to residential and corporate clients; value-added services, including Internet access, messaging and other wireless entertainment, and corporate services; data transmission, email services, instant messaging, content streaming, and interactive applications; and wireless security services, mobile payment solutions, machine-to-machine services, mobile banking, virtual private network services, and video calls and personal communications services. In addition, the company offers residential broadband services; IT solutions to small businesses and large corporations; and cable and satellite television subscriptions. Further, it sells equipment, accessories, and computers; and offers telephone directories, wireless security, call center, advertising, media, and software development services. Additionally, the company provides video, audio, and other media content through the Internet directly from the content provider to the end user. It sells its products and services under the Telcel, Telmex Infinitum, and A1 brands through a network of retailers and service centers to retail customers; and through sales force to corporate customers. The company was incorporated in 2000 and is based in Mexico City, Mexico.

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.

Frontier Communications Parent, Inc., together with its subsidiaries, provides communication and technology services in the United States. It offers broadband, video, voice, and other value-added services. The company also provides data and Internet, including broadband networking services; data-based voice over internet protocol, unified communications, long-distance, and voice messaging services; video services under the Frontier TV brand; access services; hardware and network solutions; and packages of services. It serves large enterprise customers, small and medium businesses, and wholesale customers. The company was formerly known as Frontier Communications Corporation and changed its name to Frontier Communications Parent, Inc. in April 2021. Frontier Communications Parent, Inc. was incorporated in 1935 and is headquartered in Dallas, Texas.

Telephone and Data Systems, Inc., a telecommunications company, provides communications services in the United States. It operates through two segments: UScellular and TDS Telecom. The company offers wireless solutions to consumers, and business and government customers, including a suite of connected Internet of things (IoT) solutions, and software applications for monitor and control, business automation/operations, communication, fleet and asset management, smart water solutions, private cellular networks and custom, and end-to-end IoT solutions; wireless priority services and quality priority and preemption options; smartphones and other handsets, tablets, wearables, mobile hotspots, fixed wireless home internet, and IoT devices; and accessories, such as cases, screen protectors, chargers, and memory cards, as well as consumer electronics, including audio, home automation and networking products. It also provides replace and repair services; Trade-In program through which it buys customers' used equipment; internet connections and all-home Wi-Fi services; TDS TV+, an integrated cloud television platform that offers video content and features; local and long-distance telephone service, voice over internet protocol, and enhanced services; broadband, IP-based services, and hosted voice and video collaboration services; and communication services in underserved areas. The company sells its products through retail stores, direct and indirect sales, third-party retailers, and independent agents, as well as through ecommerce and telesales. Telephone and Data Systems, Inc. was incorporated in 1968 and is headquartered in Chicago, Illinois.

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.

ATN International, Inc., through its subsidiaries, engages in the provision of digital infrastructure and communications services to residential, business, and government customers in the United States and internationally. The company operates through International Telecom and US Telecom segments. The company offers mobile, data, voice, broadband, and fixed services; handsets and accessories; and wholesale roaming, long distance voice services, and site maintenance services. It also leases critical network infrastructure, including towers and transport facilities; and provides managed information technology services, such as network, application, infrastructure, and hosting services. The company was formerly known as Atlantic Tele-Network, Inc. and changed its name to ATN International, Inc. in June 2016. ATN International, Inc. was founded in 1987 and is headquartered in Beverly, Massachusetts.