T-Mobile US, Inc., together with its subsidiaries, provides mobile communications services in the United States, Puerto Rico, and the United States Virgin Islands. The company offers voice, messaging, and data services to customers in the postpaid, prepaid, and wholesale and other services. It also provides wireless devices, including smartphones, wearables, tablets, home broadband routers, and other mobile communication devices, as well as wireless devices and accessories; financing through equipment installment plans; reinsurance for device insurance policies and extended warranty contracts; leasing through JUMP! On Demand; and High Speed Internet services. In addition, the company offers services, devices, and accessories under the T-Mobile and Metro by T-Mobile brands through its owned and operated retail stores, T-Mobile app and customer care channels, and its websites. It also sells its devices to dealers and other third-party distributors for resale through independent third-party retail outlets and various third-party websites. The company was founded in 1994 and is headquartered in Bellevue, Washington. T-Mobile US, Inc. operate as a subsidiary Deutsche Telekom AG

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.

Charter Communications, Inc. operates as a broadband connectivity and cable operator company serving residential and commercial customers in the United States. The company offers subscription-based internet, video, and mobile and voice services; a suite of broadband connectivity services, including fixed internet, WiFi, and mobile; Advanced WiFi services; Spectrum Security Shield; in-home WiFi, which provides customers with high performance wireless routers and managed WiFi services to enhance their fixed wireless internet experience; out-of-home WiFi; and Spectrum WiFi services. It also offers voice communications services using voice over internet protocol technology; and broadband communications solutions, such as internet access, data networking, fiber connectivity, video entertainment, and business telephone services to cellular towers and office buildings for business and carrier organizations. In addition, the company provides mobile services; video programming, static IP and business WiFi, voice, and e-mail and security services; sells local advertising across various platforms for networks, such as TBS, CNN, and ESPN; sells advertising inventory to local sports and news channels; and offers Audience App to create data-driven linear TV campaigns for local advertisers. Further, the company offers communications products and managed service solutions; data connectivity services to mobile and wireline carriers on a wholesale basis; and owns and operates regional sports networks and news channels. It serves approximately 32 million customers in 41 states. Charter Communications, Inc.was founded in 1993 and is headquartered in Stamford, Connecticut.

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.

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.

Iridium Communications Inc. provides mobile voice and data communications services and products to businesses, the United States and international governments, non-governmental organizations, and consumers worldwide. The company offers postpaid mobile voice and data satellite communications; prepaid mobile voice satellite communications; push-to-talk; broadband data; and Internet of Things (IoT) services. It also provides hosted payload and other data services, such as satellite time and location services; and inbound connections from the public switched telephone network, short message, subscriber identity module, activation, customer reactivation, and other peripheral services. In addition, the company offers voice and data solutions comprising personnel tracking devices; asset tracking devices for equipment, vehicles, and aircrafts; beyond-line-of-sight aircraft communications applications; maritime communications applications; specialized communications solutions for high-value individuals; mobile communications and data devices for the military and other government agencies, such as secure satellite handsets, as well as netted voice, messaging, and paging services; and maintenance services for the United States government's dedicated gateway. Further, it provides satellite handsets, voice and data modems, broadband data devices, and IoT data devices; various accessories for its devices that include batteries, holsters, earbud headphones, portable auxiliary antennas, antenna adaptors, USB data cables, charging units, and others; and engineering and support services. Iridium Communications Inc. sells its products and services to commercial end users through a wholesale distribution network that include service providers, and value-added resellers and manufacturers. The company was formerly known as Iridium Holdings LLC and changed its name to Iridium Communications Inc. in September 2009. Iridium Communications Inc. is headquartered in McLean, Virginia.

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.

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.