(US) Kaleyra, Inc. is a global group providing mobile communication services for financial institutions and enterprises. The company trough its proprietary platform, it manages multi-channel integrated communication services on a global scale, comprising of messages, push notifications, e-mail, instant messaging, voice services and chatbots. Kaleyra was founded by Dario Leopoldo Calogero in 1999 and is headquartered in Milan, Italy.
Telephone & Data Systems, Inc. engages in the provision of wire line and cable broadband, video and voice services. It operates through the following segments: U.S. Cellular, Telephone and Data Systems (TDS) Telecom’s Wireline and Cable. The U.S. Cellular segment provides service to postpaid and prepaid customers from a variety of demographic segments. The TDS Telecom’s Wireline segment operates Wireline and Cable subsidiaries that provide communications services. The Cable segment provides interconnected voice over internet protocol and broadband services, including internet access. The company was founded by LeRoy T. Carlson in 1968 and is headquartered in Chicago, IL.
(US) AT&T, Inc. is a holding company, which engages in the provision of telecommunications media and technology service. It operates through the following segments: Communications, WarnerMedia, Latin America and Xandr. The Communications segment provides services to businesses and consumers located in the U.S., or in U.S. territories, and businesses globally. The WarnerMedia segment develops, produces and distributes feature films, television, gaming and other content over various physical and digital formats. The Latin America segment provides entertainment and wireless services outside of the U.S. The Xandar segment provides advertising services. The company was founded in 1983 and is headquartered in Dallas, TX.
Lumen Technologies, Inc. is an investment holding company, which engages in the provision of integrated communications to residential and business customers. It operates through the following segments: International and Global Accounts Management; Enterprise; Small and Medium Business; Wholesale and Consumer. The International and Global Accounts Management segment includes three operating regions: Europe Middle East and Africa, Latin America and Asia. The Enterprise segment provides products and services to large and regional domestic and global enterprises, as well as the public sector, which includes the U.S. Federal Government, state and local governments and research and education institutions. The Small and Medium Business segment products and services to small and medium businesses directly and through indirect channel partners. The Wholesale segment provide products and services to a range of other communication providers across the wireline, wireless, cable, voice and data center sectors. The Consumer Segment provides products and services to residential customers. Lumen Technologies was founded in 1930 and is headquartered in Monroe, LA.
(ES) Telefónica SA engages in the provision of communication, information and entertainment solutions. It operates through the following brands: Telefónica, Movistar, O2, and Vivo. The company was founded on April 19, 1924 and is headquartered in Madrid, Spain.
(BR) Telefonica Brasil SA engages in the provision of telecommunication services. It offers post paid mobile and fixed telecommunications services, such as fixed and mobile voice, fixed, mobile broadband and ultra broadband. The company was founded in May 1998 and is headquartered in São Paulo, Brazil.
Shenandoah Telecommunications Co. operates as a holding company, which engages in the provision of regulated and unregulated telecommunication services to end-user customers and other telecommunications providers. It offers voice, video and data communications services. It operates through the following segments: Wireless, Broadband and Tower. The Wireless segment provides digital wireless telephone and data network services. The Broadband segment provides broadband, video and voice services to residential and commercial customers in portions of Virginia, West Virginia, Maryland, and Kentucky, via fiber optic and hybrid fiber coaxial (“HFC”) cable. The Tower segment leases space on 225 owned cell towers. The company was founded in 1902 and is headquartered in Edinburg, VA.
Cogent Communications Holdings, Inc. engages in the provision of internet access and Internet Protocol communications services. It offers internet access and data transport through its fiber optic, IP data-only network, ethernet transport, and colocation services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC.
Orange SA is a telecommunication services company, which operates mobile and internet services. It provides telecommunication services to multinational companies, under the brand Orange Business Services. The company was founded in 1794 and is headquartered in Paris, France.
(US) Spok Holdings, Inc. engages in the provision of communication solutions. It provides call centre operations, clinical alerting and notifications, one-way and advanced two-way wireless messaging services, mobile communications and public safety solutions. The company was founded in 1965 and is headquartered in Springfield, VA.
(US) Anterix, Inc., doing business as Anterix, is a wireless communications company, which engages in the spectrum assets to enable targeted critical infrastructure and enterprise customers to deploy private broadband networks, technologies, and solutions. Its products include teamconnect, pdvconnect, and diga-talk plus application. The company was founded by Peter Joel Lasensky and Richard Edward Rohmann in 1997 and is headquartered in Woodland Park, NJ.