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.

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.

VEON Ltd., a digital operator, provides connectivity and internet services to corporates and individuals in Pakistan, Ukraine, Kazakhstan, Uzbekistan, Bangladesh, and Kyrgyzstan. The company offers fixed-line broadband telecommunication services using fiber optic networks; mobile telecommunications services under prepaid and postpaid subscriptions, including value added and call completion, national and international roaming, wireless Internet access, mobile financial, and mobile bundle services; cross border transit, voice, and data services; mobile connectivity services on 2G, 3G and 4G/LTE networks; prepaid scratch cards and electronic recharge options; customer support through contact centers; and Internet-TV using fiber to the building technology. It also provides Simosa, MyKyivstar, and MyBeeline self-care applications; Kyivstar TV, Tamasha, BeeTV, Toffee, and Beeline TV video streaming platforms; BiP messenger app; Game Now gaming platform; Beeline Music for music streaming, as well as live audio streaming services; Jazz Cricket sports app; JazzCash and Simply financial services platforms that offers mobile wallets, payments, transfers, and digital lending services; BIMA tele-medicine and hospital insurance app; and Helsi digital data management platform for healthcare services. In addition, the company sells equipment, infrastructure, and accessories. It offers its products and services under the Kyivstar, Banglalink, Jazz, JazzCash, Beeline, Beeline Kyrgyzstan, IZI, and OQ brands. The company also distributes its products and services through direct sales force, distributors, third-party retailers, supermarkets, offices, stores, franchises, online, and other distribution channels. The company was formerly known as VimpelCom Ltd. and changed its name to VEON Ltd. in March 2017. VEON Ltd. was founded in 1992 and is headquartered in Amsterdam, the Netherlands.

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.

Ooma, Inc. provides communications services and related technologies for businesses and consumers in the United States and Canada. The company's products and services include Ooma Office, a cloud-based multi-user communications system for small and medium-sized businesses; Ooma Connect, which delivers fixed wireless internet connectivity; and Ooma Enterprise, a unified-communications-as-a-service (UCaaS) solution. It also provides Ooma AirDial, a plain old telephone service; PureVoice HD, a residential phone services; Ooma basic that provides unlimited personal calling within the United States; and Ooma Premier, a suite of advanced calling features on a monthly or annual subscription basis. In addition, the company offers Ooma Telo, a home communications solution designed to serve as the primary phone line in the home; Ooma Telo Air, a wireless Ooma Telo with built-in Wi-Fi and Bluetooth; and Ooma Telo LTE, which combines the Ooma Telo base station with the Ooma LTE Adapter and battery back-up. Further, it provides Ooma Mobile HD app that allows users to make and receive phone calls and access Ooma features and settings; 2600Hz provides business communication applications; Talkatone mobile app; and OnSIP, an UCaaS solutions. The company offers its products through direct sales, distributors, retailers, and resellers, as well as online and sale representatives. Ooma, Inc. was incorporated in 2003 and is headquartered in Sunnyvale, California.