ATN International
NASDAQ:ATNIATN International, Inc., through its subsidiaries, engages in the provision of digital infrastructure and communications services to residential, business, and government customers in the United States and internationally. The company operates through International Telecom and US Telecom segments. The company offers mobile, data, voice, broadband, and fixed services; handsets and accessories; and wholesale roaming, long distance voice services, and site maintenance services. It also leases critical network infrastructure, including towers and transport facilities; and provides managed information technology services, such as network, application, infrastructure, and hosting services. The company was formerly known as Atlantic Tele-Network, Inc. and changed its name to ATN International, Inc. in June 2016. ATN International, Inc. was founded in 1987 and is headquartered in Beverly, Massachusetts.
Public Joint Stock Company Rostelecom
OTCMKTS:ROSYYPublic Joint Stock Company Rostelecom provides digital services and solutions in Russia. The company provides Rostelecom Key, a service for households that offers smart intercom and online telemetry of resource meters; Pay TV; Wink, a digital video services; and smart home services, as well as video surveillance platform. It also offers Kapsula, a smart speaker; submarine cables; maintenance and recreational; engineering design; data and data storage; and telecommunication and IT consulting services. In addition, the company engages in leasing of equipment; communication equipment; manufacturing, retail, real estate, and venture and pension fund activities. Further, it provides solutions for electronic government, cybersecurity, data center and cloud-based services, biometrics, healthcare, education, house maintenance, and utility services. The company was incorporated in 1993 and is headquartered in Moscow, Russia.
Spirent Communications
OTCMKTS:SPMYYSpirent Communications plc provides automated test and assurance solutions in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. The company operates through Lifecycle Service Assurance, and Networks & Security segments. The Lifecycle Service Assurance segment offers lab-based testing solutions for 5G mobile core networks, and cellular and Wi-Fi devices, as well as live solutions. This segment also provides lab and test automation solutions for the telecom industry and enterprises. The Networks & Security segment develops test methodologies, tools, and services for virtualised networks, cloud, and artificial intelligence networking infrastructure, as well as application performance and proactive security validation. This segment also offers Ethernet/internet protocol performance testing solutions, as well as navigation satellite system test and simulation solutions while addressing opportunities in the broader positioning, navigation, and timing market, including low earth orbit satellites and autonomous vehicles. The company was formerly known as Spirent plc and changed its name to Spirent Communications plc in May 2006. Spirent Communications plc was founded in 1936 and is headquartered in Crawley, the United Kingdom.
SMARTONE TELECO/S
OTCMKTS:STTFYSmarTone Telecommunications Holdings Limited, an investment holding company, provides mobile telecommunication services in Hong Kong and Macau. The company offers voice, multimedia, and mobile and fixed fiber broadband services for the consumer and corporate markets. It is also involved in the sale of handsets and accessories; issuance of guaranteed notes; and provision of customer support and telemarketing services. The company was founded in 1992 and is headquartered in Kwun Tong, Hong Kong. SmarTone Telecommunications Holdings Limited is a subsidiary of Sun Hung Kai Properties Limited.