Chunghwa Telecom Co., Ltd., together with its subsidiaries, provides telecommunication services in Taiwan and internationally. It operates through Consumer Business, Enterprise Business, International Business, and Others segments. The company offers local, domestic long distance, and international long distance fixed-line telephone services; mobile services such as prepaid and postpaid plans; broadband plans; and internet and data services. Chunghwa Telecom Co., Ltd. was incorporated in 1996 and is headquartered in Taipei City, Taiwan.

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.

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.

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.

KT Corporation provides integrated telecommunications and platform services in Korea and internationally. The company offers mobile voice and data telecommunications services based on 5G, 4G LTE and 3G W-CDMA technology; fixed-line telephone services, including local, domestic long-distance, international long-distance, and voice over Internet protocol telephone services, as well as interconnection services; broadband Internet access service and other Internet-related services; and data communication services, such as fixed-line and leased line services, as well as broadband Internet connection services. It also provides media and content services, including IPTV, satellite TV, digital music, e-commerce, online advertising consulting, and web comics and novels services; and credit card processing and other financial services. In addition, the company offers information technology and network services, and satellite services; sells handsets and miscellaneous telecommunications equipment; develops and sells residential units and commercial real estate; and rents real estate properties. Further, it maintains public telephones; offers security, B2C and B2B, investment fund, software development and data processing, value added network, call center, system integration and maintenance, marketing, PCS distribution, truck transportation and trucking arrangement business, cloud system implementation, satellite communication network, installation and management, and data center development and related services. Additionally, the company is involved in the Internet banking ASP and security solutions, residential building development and supply, sports team management, technology business finance, and submarine cable construction and maintenance businesses. The company was formerly known as Korea Telecom Corp. and changed its name to KT Corporation in March 2002. KT Corporation was founded in 1981 and is headquartered in Seongnam-si, South Korea.

SK Telecom Co., Ltd. provides wireless telecommunication services in South Korea. The company operates through three segments: Cellular Services, Fixed-Line Telecommunications Services, and Other Businesses. The Cellular Services segment offers wireless voice and data transmission, Internet of Things solutions, platform, cloud, smart factory solutions, subscription, advertising and curated shopping under T Deal brand name, and metaverse platform-based services, as well as sells wireless devices. The Fixed-Line Telecommunications Services segment provides fixed-line telephone services; broadband Internet services; media platform services, such as Internet protocol TV and cable TV; and business communications services. The Other Businesses segment offers T-commerce services, as well as portal services under Nate brand name. In addition, it provides call center management, base station maintenance, information gathering and consulting, database and internet website, cable broadcasting, broadcasting programs, and digital contents sourcing services; manufactures non-memory and other electronic integrated circuits; international telecommunication and mobile; and operates information and communications facilities, and mobile virtual network, as well as engages in communications and communication device retail business. SK Telecom Co., Ltd. was incorporated in 1984 and is headquartered in Seoul, South Korea.

PLDT Inc. provides telecommunications and digital services in the Philippines. The company operates through three segments: Wireless, Fixed Line, and Others. It offers cellular mobile, Internet broadband distribution, operations support, software development, and satellite information and messaging services; and sells Wi-Fi access equipment. The company also provides fixed line telecommunications services; business infrastructure and solutions; intelligent data processing and implementation, and data analytics insight generation services; and information and communications infrastructure for Internet-based services, e-commerce, customer relationship management, and information technology (IT) related services. In addition, it offers managed IT outsourcing, Internet-based purchasing, IT consulting and professional, and bills printing and other related value-added services; distributes Filipino channels and content services; and provides full-services customer rewards and loyalty programs. Further, the company engages in the sale of mobile handsets, broadband data routers, tablets, and accessories; and cross-border digital platforms. Additionally, it provides gaming support services; mobile internet and broadband, and data services; content provider and develops mobile application; IT solution; data and network; domestic leased lines; alternative messaging solutions, such as over-the-top services, social media, and messenger application; inbound roaming and other services; mobile prepaid and postpaid services; and fixed wireless broadband services. The company was formerly known as Philippine Long Distance Telephone Company and changed its name to PLDT Inc. in July 2016. PLDT Inc. was incorporated in 1928 and is headquartered in Makati City, the Philippines.

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.