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.

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.

Telefonaktiebolaget LM Ericsson (publ), together with its subsidiaries, provides mobile connectivity solutions for telcom operators and enterprise customers in various sectors in North America, Europe, Latin America, the Middle East, Africa, North East Asia, South East Asia, Oceania, and India. It operates in four segments: Networks; Cloud Software and Services; Enterprise; and Other. The Networks segment offers radio access network (RAN) solutions for various network spectrum bands, including purpose-built and open RAN-prepared hardware and software. This segment also provides cloud RAN; transport solutions; passive and active antennas; and a range of service portfolios covering network deployment and support. The Cloud Software and Services segment offers core networks, business and operational support systems, network design and optimization, and managed network services. The Enterprise segment offers a global communications platform, including cloud-based unified communications as a service, contact center as a service, and communications platform as a service; enterprise wireless solutions comprising private wireless networks and wireless wan pre-packaged solutions; and technologies and new business solutions, such as mobile financial services, security solutions, and advertising services. The Other segment includes Redbee media that prepares and distributes live and video services for broadcasters, sports leagues, and communications service providers. It offers its services through wholesalers and distributors. The company was formerly known as Allmanna Telefon AB LM Ericsson and changed its name to Telefonaktiebolaget LM Ericsson (publ) in January 1926. Telefonaktiebolaget LM Ericsson (publ) was founded in 1876 and is headquartered in Stockholm, Sweden.

TELUS Corporation, together with its subsidiaries, provides a range of telecommunications and information technology products and services in Canada. It operates through Technology Solutions and Digitally-Led Customer Experiences segments. The Technology Solutions segment offers a range of telecommunications products and services; network services; healthcare services; mobile technologies equipment; data services, such as internet protocol; television; hosting, managed information technology, and cloud-based services; software, data management, and data analytics-driven smart food-chain and consumer goods technologies; home and business security; healthcare software and technology solutions; and voice and other telecommunications services, as well as mobile and fixed voice and data telecommunications services and products. The Digitally-Led Customer Experiences segment provides digital customer experience and digital-enablement transformation solutions, including artificial intelligence and content management solutions. The company was formerly known as TELUS Communications Inc. and changed its name to TELUS Corporation in February 2005. TELUS Corporation was incorporated in 1998 and is based in Vancouver, Canada.

Perusahaan Perseroan (Persero) PT Telekomunikasi Indonesia Tbk provides information and communications technology, and telecommunications network services worldwide. The company operates through mobile, consumer, enterprise, Wholesale and International Business, and Other segments. The Mobile segment offers mobile voice, SMS, value added services, and mobile broadband services. The Consumer segment provides fixed wireline, pay TV, and internet services; and other telecommunication services to home customers. The Enterprise segment offers end-to-end solution to corporate and institutions. The Wholesale and International Business segment provides interconnection services, broadband access, information technology services, data, and internet services to other licensed operator and institutions. The Other segment offers digital content products, big data, business to business commerce, and financial services to individual and corporate customers. The company also engages in leasing of towers, and digital support and other telecommunication services; provision of consultation service of hardware, computer software, and data center, as well as multimedia portal services; business management consulting; property development and management; trading service related to telecommunication, information, multimedia technology, entertainment, and investment; and digital content exchange hub services. The company was founded in 1884 and is headquartered in Bandung, Indonesia.

Rogers Communications Inc. operates as a communications and media company in Canada. It operates through three segments: Wireless, Cable, and Media. The company offers mobile Internet access, wireless voice and enhanced voice, device financing, device protection, global voice and data roaming, wireless home phone, bridging landline, machine-to-machine and Internet of Things solutions, and advanced wireless solutions for businesses, as well as device shipping and express pickup services; and postpaid and prepaid services under the Rogers, Fido, and chatr brands. It also provides internet and WiFi services; and monitoring, security, automation, energy efficiency, and smart control through smartphone app. In addition, the company offers local and network TV; on-demand television; cloud-based digital video recorders; voice-activated remote controls, and integrated apps; personal video recorders; linear and time-shifted programming; digital specialty channels; and 4K television programming. Further, it provides residential and small business local telephony services; voicemail, call waiting, and long distance; voice, data networking, Internet protocol (IP), and Ethernet services; private networking, Internet, IP voice, and cloud solutions; optical wave and multi-protocol label switching services; information technology and network technologies; cable access network services; telecommunications technical consulting services; and season games through television, smartphones, tablets, personal computers, and other streaming devices, as well as operates Ignite TV and Ignite TV app. Additionally, the company owns Toronto Blue Jays and the Rogers Centre event venue; and operates Sportsnet ONE, Sportsnet 360, Sportsnet World, Citytv, OMNI, FX (Canada), FXX (Canada), and OLN television networks, as well as 52 AM and FM radio stations. It also offers Rogers and the Rogers World Elite Mastercard. The company was founded in 1960 and is headquartered in Toronto, Canada.

Consolidated Communications Holdings, Inc., together with its subsidiaries, provides broadband and business communication solutions for consumer, commercial, and carrier channels in the United States. It offers high-speed broadband Internet access, SIP trunking, and voice over Internet protocol (VoIP) phone services; commercial data connectivity services in various markets, including Ethernet services, private line data services, software defined wide area network, and multi-protocol label switching services; networking services; cloud-based services; and data center and disaster recovery solutions. The company also provides voice services, such as local phone and long-distance services; and high-speed fiber data transmission services to regional and national interexchange; and wireless carriers, including Ethernet, cellular backhaul, dark fiber, and colocation services. In addition, it sells business equipment, as well as offers related hardware and maintenance support, video, and other miscellaneous services. Further, the company offers video services comprising high-definition television, digital video recorders (DVR), and/or a whole home DVR; and in-demand streaming TV services that provide endless entertainment options. Additionally, it provides network access services that include interstate and intrastate switched access, network special access, and end user access; and telephone directory publishing, video advertising, billing and support, and other miscellaneous services. The company was founded in 1894 and is headquartered in Mattoon, Illinois.

Telesat Corporation, a satellite operator, offers mission-critical communications services to broadcast, enterprise, and consulting customers worldwide. The company's satellite-based services allow direct-to-home (DTH) service providers to deliver television programming, audio, and information channels directly to customers' homes; and allows broadcasters, cable networks, and DTH service providers to transmit television programming services. It offers value-added services, such as satellite capacity, digital encoding of video channels, and uplinking and downlinking services; and occasional use services. The company also offers telecommunication carrier and integrator services that provides satellite capacity and end-to-end services, including space segment services and terrestrial facilities for enterprise connectivity, and internet and cellular backhaul; and rural telephony to telecommunications carriers and network services integrators. In addition, it offers satellite capacity to maritime and aeronautical markets comprising commercial airplanes and vessels; services to the U.S. government through government service integrators, and satellite services to the Canadian government; and direct-to-consumer broadband services. Further, the company operates satellite and terrestrial networks; and communications services for the oil and gas and mining industries. Additionally, it provides satellite operator services; and consulting services related to space and earth segments, government studies, satellite control services, and research and development. The company offers its services primarily through a direct sales force. Telesat Corporation was founded in 1969 and is headquartered in Ottawa, Canada.