Telefonaktiebolaget LM Ericsson,commonly known as Ericsson,is a Swedish multinational networking and telecommunications company headquartered in Stockholm,Sweden. The company sells infrastructure,software,and services in information and communications technology for telecommunications service providers and enterprises,including,among others,3G,4G,and 5G equipment,and Internet Protocol (IP) and optical transport systems. The company employs around 100,000 people and operates in more than 180 countries. Ericsson has over 57,000 granted patents.
PCCW Limited is a Hong Kong–based information and communication technology (ICT) and telecommunications company.
China Mobile is the trade name of both China Mobile Limited and its ultimate controlling shareholder,China Mobile Communications Group Co.,Ltd.,is a Chinese state-owned telecommunications company. It provides mobile voice and multimedia services through its nationwide mobile telecommunications network across mainland China and Hong Kong. China Mobile is the largest wireless carrier in China,with 945.50 million subscribers as of June 2021. China Mobile was ranked #25 in Forbes' Global 2000 in 2023.
AT&T Mobility,LLC,also known as AT&T Wireless and marketed as simply AT&T,is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the third largest wireless carrier in the United States,with 116 million subscribers as of September 30,2024.
Verizon is an American wireless network operator that previously operated as a separate division of Verizon Communications under the name Verizon Wireless. In a 2019 reorganization,Verizon moved the wireless products and services into the divisions Verizon Consumer and Verizon Business,and stopped using the Verizon Wireless name. Verizon is the largest wireless carrier in the United States,with 146 million subscribers as of December 31,2024. It currently has the second-largest network in the United States with their LTE network covering 2.68M Sq. Miles of the United States.
4G is the fourth generation of cellular network technology,succeeding 3G and designed to support all-IP communications and broadband services,enabling a variety of data-intensive applications. A 4G system must meet the performance requirements defined by the International Telecommunication Union (ITU) in IMT Advanced. 4G supports a range of applications,including enhanced mobile internet access,high-definition streaming,IP telephony,video conferencing,and the expansion of Internet of Things (IoT) applications.
Rogers Wireless Inc. is a Canadian mobile network operator headquartered in Toronto,providing service nationally throughout Canada. It is a wholly owned subsidiary of Rogers Communications. The company had revenues of just under $15.1 billion in 2018. Rogers Wireless is the largest wireless carrier in Canada,with 13.7 million subscribers as of Q2 2023.
Globe Telecom,Inc.,commonly shortened as Globe,is a major provider of telecommunications services in the Philippines. The company operates the largest mobile network in the Philippines and one of the largest fixed-line and broadband networks. As of November 2023,Globe has 54.7 million subscribers,making it the second largest network in terms of subscriber base.
United States Cellular Corporation is an American mobile network operator. Its stock is publicly traded,but Telephone and Data Systems Inc. owns a controlling stake. The company was formed in 1983 and is headquartered in Chicago,Illinois. UScellular is the fifth largest wireless carrier in the United States,with 4.5 million subscribers in 21 states as of October 31,2024.
The telecommunications industry in China is dominated by three state-run businesses:China Telecom,China Unicom and China Mobile. The three companies were formed by restructuring launched in May 2008,directed by the Ministry of Information Industry (MII),National Development and Reform Commission (NDRC) and the Minister of Finance. Since then,all three companies gained nationwide fixed-line and cellular mobile telecom licenses in China. In 2019,all three telecoms were issued 5G national licenses.
Sierra Wireless is a Canadian multinational wireless communications equipment designer,manufacturer and services provider headquartered in Richmond,British Columbia,Canada. It also maintains offices and operations in the United States,Korea,Japan,Taiwan,India,France,Australia and New Zealand.
T-Mobile US,Inc. is an American wireless network operator headquartered in Bellevue,Washington. Its largest shareholder is Deutsche Telekom,a company that operates telecommunications networks in several other countries. T-Mobile is the second largest wireless carrier in the United States,with 127.5 million subscribers as of September 30,2024.
In telecommunications,5G is the fifth generation of cellular network technology,which mobile operators began deploying worldwide in 2019 as the successor to 4G. 5G is based on standards defined by the International Telecommunication Union (ITU) under the IMT-2020 requirements,which outline performance targets for speed,latency,and connectivity to support advanced use cases.
Freedom Mobile is a Canadian wireless telecommunications provider owned by Québecor. As of November 30,2022 it is the fourth-largest wireless carrier in the country with 2,290,497 subscribers and a 6% market share,primarily concentrated in urban areas of Ontario,British Columbia,Alberta,and Manitoba. In addition to mobile phone plans,Freedom also offers home internet and TV services.
NetDragon Websoft is a Chinese company that develops and operates massively multiplayer online games in addition to making mobile applications. The company debuted its first product in 2002.
Mavenir Systems,Inc. is an American telecommunications software company,created in 2017 as a result of a three-way merger of existing companies and technologies,that develops and supplies cloud-native software to the communications service provider (CSP) market.
Xplore Inc. is a Canadian rural internet service provider. It is the largest rural focused broadband service provider in Canada.
AT&T Mexico,S.A.U.,also known as AT&T Mexico Wireless and AT&T Mexico Mobility,is a Mexican mobile telephone operator and subsidiary of AT&T. AT&T Mexico is headquartered in Mexico City. Its mobile network is available in 90% of Mexico,serving 13% of the Mexican wireless market. AT&T is the third-largest wireless carrier in Mexico,with 22.636 million subscribers as of July 2024. AT&T Mexico operates under the AT&T Latin America division.
HKT Limited,also known as Hong Kong Telecom,is one of the largest telecommunications companies in Hong Kong. It has a dominant position in fixed-line,mobile,IDD and broadband services in Hong Kong. HKT Group is a subsidiary of PCCW since 2000,after it was acquired from Cable &Wireless plc.
DISH Wireless L.L.C.,doing business as Boost Mobile,is an American telecommunications company and wholly owned subsidiary of EchoStar Corporation. Boost Mobile is the fourth largest wireless carrier in the United States. Together with its sister brands Gen Mobile and Ting Mobile,it serves 7 million subscribers as of September 30,2024.
