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Ciena Corporation provides hardware and software services for delivery of video, data, and voice traffic metro, aggregation, and access communications network worldwide. The company's Networking Platforms segment offers convergence of coherent optical transport, open optical networking, optical transport network switching, IP routing, and switching services. Its products include 6500 Packet-Optical Platform, Waveserver stackable interconnect system, and the 6500 Reconfigurable line system, and the 5400 family of Packet-Optical platforms, as well as 8100 coherent routing platforms; 3000 family of service delivery switches and the 5000 family of service aggregation switches, as well as 8700 Packetwave Platform and 6500 Packet Transport System. This segment also sells operating system software and enhanced software features embedded in each of its products. The company's Blue Planet Automation Software and Services segment provides multi-domain service orchestration, inventory, route optimization and analysis, multi-cloud orchestration, and unified assurance and analytics services. Its Platform Software and Service segment offers MCP domain controller solution, and OneControl unified management system, as well as planning tools. The company's Global Services segment provides maintenance support and training, installation and deployment, and consulting and network design services. Ciena Corporation was incorporated in 1992 and is headquartered in Hanover, Maryland.

Fabrinet provides optical packaging and precision optical, electro-mechanical, and electronic manufacturing services in North America, the Asia-Pacific, and Europe. The company offers a range of advanced optical and electro-mechanical capabilities in the manufacturing process, including process design and engineering, supply chain management, manufacturing, printed circuit board assembly, advanced packaging, integration, final assembly, and testing. Its products include switching products, including reconfigurable optical add-drop multiplexers, optical amplifiers, modulators, and other optical components and modules that enable network managers to route voice, video, and data communications traffic through fiber optic cables at various wavelengths, speeds, and over various distances. The company's products also comprise tunable lasers, transceivers, and transponders; and active optical cables, which provide high-speed interconnect capabilities for data centers and computing clusters, as well as Infiniband, Ethernet, fiber channel, and optical backplane connectivity. In addition, it provides solid state, diode-pumped, gas, and fiber lasers used in semiconductor processing, biotechnology and medical device, metrology, and material processing industries; and differential pressure, micro-gyro, fuel, and other sensors used in automobiles, as well as non-contact temperature measurement sensors for the medical industry. Further, the company designs and fabricates application-specific crystals, lenses, prisms, mirrors, laser components, and substrates; and other custom and standard borosilicate, clear fused quartz, and synthetic fused silica glass products. It serves original equipment manufacturers of optical communication components, modules and sub-systems, industrial lasers, automotive components, medical devices, and sensors. The company was incorporated in 1999 and is based in Grand Cayman, the Cayman Islands.

KT Corporation provides integrated telecommunications and platform services in Korea and internationally. The company offers fixed-line telephone services, including local, domestic long-distance, international long-distance, and voice over Internet protocol telephone services, as well as interconnection services; broadband Internet access service and other Internet-related services; and data communication services, such as fixed-line and leased line services, as well as broadband Internet connection services. It also provides media and content services, including IPTV, satellite TV, digital music, e-commerce, online advertising consulting, and web comics and novels services; and credit card processing and other financial services. In addition, the company offers information technology and network services, and satellite services; sells handsets and miscellaneous telecommunications equipment; develops and sells residential units and commercial real estate; and rents real estate properties. Further, it maintains public telephones; offers security, B2C and B2B, investment fund, software development and data processing, value added network, call center, system integration and maintenance, marketing, PCS distribution, truck transportation and trucking arrangement business, cloud system implementation, satellite communication network, installation and management, and data center development and related services. Additionally, the company is involved in the Internet banking ASP and security solutions, residential building development and supply, sports team management, technology business finance, and submarine cable construction and maintenance businesses. The company was formerly known as Korea Telecom Corp. and changed its name to KT Corporation in March 2002. KT Corporation was founded in 1981 and is headquartered in Seongnam, South Korea.

Plantronics, Inc., together with its subsidiaries, designs, manufactures, markets, and sells integrated communications and collaborations solutions for corporate customers, small businesses, and individuals in the United States, Europe, the Middle East, Africa, the Asia Pacific, and rest of the Americas. Its principal product categories include headsets, which comprises wired and wireless communication headsets; voice that includes open session initiation protocol and native ecosystem desktop phones, and conference room phones; video conferencing solutions and peripherals, including cameras, speakers, and microphones designed to work with a range of unified communication and collaboration, unified communication as a service, and video as a service environments, including RealPresence collaboration solutions of infrastructure to endpoints that allows people to connect and collaborate; and content sharing solutions. The company also offers services that include video interoperability, and hardware and support for our solutions and hardware devices, as well as professional, hosted, and managed services; and cloud management and analytics software, which enables information technology administrators to configure and update firmware, monitor device usage, troubleshoot, and gain understanding of user behavior. It sells its products through value-added resellers, integrators, direct marketing resellers, service providers, direct and indirect resellers, network and systems integrators, enterprise distributors, wireless carriers, and mass merchants, as well as through both traditional and online retailers, and e-commerce channels under the Poly, Plantronics, and Polycom brands. The company was incorporated in 1961 and is headquartered in Santa Cruz, California.