Spark New Zealand Limited is a New Zealand telecommunications and digital services company providing fixed-line telephone services, mobile phone services, broadband, and digital technology services. Its customers range from consumers to small - medium business, government agencies and large enterprise clients. It was formerly known as Telecom New Zealand until it was rebranded to Spark on 8 August 2014. It has operated as a publicly traded company since 1990. Spark's mobile network reaches 98% of New Zealand, with over 2.5 million mobile connections and 704,000 broadband connections
Swisscom AG is a major telecommunications provider in Switzerland. Its headquarters are located in Worblaufen near Bern. The Swiss government owns 51 percent of Swisscom AG. According to its own published data, Swisscom holds a market share of 56% for mobile, 50% for broadband and 37% for TV telecommunication in Switzerland. Its Italian subsidiary Fastweb is attributed 16% of private clients and 29% of corporate clients share of Italian broadband and is also active in the mobile market.
ADC Telecommunications was a communications company located in Eden Prairie, Minnesota, a southwest suburb of Minneapolis. It was acquired by TE Connectivity in December 2010 and ceased to exist as a separate entity. It vacated its Eden Prairie location in May 2011 and moved staff and resources to other locations. ADC products were sold by CommScope after it acquired the Broadband Network Solutions business unit from TE Connectivity in August 2015.
MRV Communications is a communications equipment and services company based in Chatsworth, California. The company is a provider of optical communications network infrastructure equipment and services to a broad range of telecom concerns, including multinational telecommunications operators, local municipalities, MSOs, corporate and consumer high-speed G-Internet service providers, and data storage and cloud computing providers.
Tellabs, Inc. is a global network technology company that provides networking and communications solutions to both private and governmental agencies. The company offers a range of products and services, including optical transport systems, access systems, managed access solutions, and network management software. The company was founded by Michael Birck in 1974 and is headquartered in Carrollton, Texas. It is currently owned by Marlin Equity Partners, who established an independent business for its product portfolio to accelerate the development of Optical local area network (OLAN) technology. This technology was designed for Enterprise and Government agency clients. OLAN uses fiber, which is faster, more secure, and more stable in comparison to traditional copper infrastructure.
Allot Ltd., formerly Allot Communications, is an Israeli high-tech company that develops telecommunications software. The company is headquartered in Hod Hasharon, Israel.
In a hierarchical telecommunications network, the backhaul portion of the network comprises the intermediate links between the core network, or backbone network, and the small subnetworks at the edge of the network.
Frontier Communications Parent, Inc. is an American telecommunications company. Known as Citizens Utilities Company until 2000, Citizens Communications Company until 2008, and Frontier Communications Corporation until 2020, as a communications provider with a fiber-optic network and cloud-based services, Frontier offers broadband internet, digital television, and computer technical support to residential and business customers in 25 states. In some areas it also offers home phone services.
Windstream Holdings, Inc., also doing business as Windstream Communications or Windstream, is a provider of voice and data network communications, and managed services, to businesses in the United States. The company also offers residential broadband, phone and digital streaming TV services to consumers within its coverage area. It is the ninth largest residential telephone provider in the country with service covering more than 8.1 million people in 21 states.
Wind Telecomunicazioni S.p.A., more commonly known as Wind, was an Italian telecommunications company of the VimpelCom Ltd. group, which offered mobile telephony services and, through Infostrada, also fixed-line telephony services, Internet and IPTV.
Vocus Group Limited, formerly known as Vocus Communications, is an international telecommunications company headquartered in North Sydney, Australia. Founded by James Spenceley as a wholesale, business, government and consumer telecommunications provider, Vocus owns and manages Australia's second largest intercapital fibre network. Vocus provides retail, wholesale and corporate telecommunications services across Australia and New Zealand. Vocus offers data network services such as Internet, dark fibre, IP WAN, unified communications and telephony and cloud services to mid, large and corporate businesses direct and also acts as a wholesaler. The company owns and operates 18 data centres across Australia and New Zealand and has an onshore network operations centre run by the engineers who built the network.
Primus Telecommunications Pty Ltd. is an Australian telecommunications company and wholly owned subsidiary of Vocus Communications that primarily focuses on fixed, mobile, and broadband services.
Lumen Technologies, Inc. is an American telecommunications company headquartered in Monroe, Louisiana, that offers communications, network services, security, cloud solutions, voice, and managed services. The company is a member of the Fortune 500 and has been on the S&P 500 index since 1999.
GTT Communications, Inc. (GTT), formerly Global Telecom and Technology, is a multinational telecommunications company and managed network and security service provider headquartered in Arlington, Virginia. GTT operates a Tier 1 IP network and provides Internet; wide area networking, SD-WAN; network security, managed services; and voice and video transport services.
Founded in 2002, Optelian Access Networks Corporation (Optelian) is a privately owned and operated Intuitive Packet Optical Networking company. Optelian has two headquarters – one in Ottawa, Ontario (Canada) and the other in Marietta, Georgia (U.S.). The company has both product development and local manufacturing based in Ottawa. Initially producing passive networking components, Optelian has added active products for service providers, wireless applications, utilities, research and education, cloud and data center, or any other enterprise.
Transmode, headquartered in Stockholm, Sweden, was a publicly listed provider of networking solutions, which enable fixed line and mobile network operators to cost effectively address the increasing capacity needs created.
Global Capacity is a Waltham, Massachusetts-based provider of telecommunications Connectivity-as-a-Service including Carrier Ethernet, used by companies for Internet access and WAN connectivity. Network services are offered using the company's One Marketplace hub, which aggregates the access and pricing information for broadband telecommunications services, including MPLS VPN, Ethernet over copper and Digital Subscriber Line (DSL). The company buys and combines multiple high-speed network connections and then resells multiple lower-speed connections to customers. The company also manages and updates LATTIS, a proprietary database of telecom pricing information.
Birch Communications was an American provider of IP-based communications, network broadband, cloud computing, and information technology services to small, mid-sized, enterprise and wholesale business customers in the United States, Canada and Puerto Rico. It was acquired by Fusion Connect in 2018 and integrated into the company. Founded in 1996 in the wake of the 1996 Telecommunications Act, several years later the company began acquiring other telecom companies in an effort to increase its network size and service offerings. Birch Communications raised $77.5 million in funding in 2011, and $110 million in funding in 2012 after it financed a new $90 million facility.
Epsilon Telecommunications Limited is a Singapore-based global software-defined network provider of end-to-end connectivity and communication technologies via a network as a service (NaaS) platform.
Plano, Texas 
US$376 million(FY 2022) [1] 
US$3 million(FY 2022) [1] 
