Huawei Technologies is a telecom solutions company that offers infrastructure application software and devices with wireline, wireless, and IP technologies. The company’s products and solutions have been deployed in over 100 countries and have served 45 of the world's top 50 telecom operators as well as one third of the world's population. Huawei Technologies has 3 divisions in the United States: enterprise (IP networking and routers, wireless, storage, data center security), carrier, and consumer devices (smartphones and tablets). Founded in January 1987, Huawei Technologies is headquartered in Shenzhen, Guangdong. Its testing lab is based in Plano, Texas with an additional office in Santa Clara, California.

Nippon Telegraph & Telephone Corp. operates as a holding company which engages in the provision of telecommunication services. It operates through the following business divisions: Regional Communications, Long-Distance and International Communications, Mobile Communications, Data Communications, and Others. The Regional Communications division offers domestic intra-prefectural communication services such as fixed voice-related, Internet protocol (IP), and packet communications services; and sells telecommunications equipment. The Long Distance and International Communications division deals with the domestic intra-prefectural and international communications, and system integration services. The Mobile Communications division provides the mobile voice-related, IP, and packet communications services. The Data Communications division covers the system integration and network system services. The Other division engages in the real estate, finance, engineering, system integration and data processing services, and development of technologies and shared operations. The company was founded on August 1, 1952 and is headquartered in Tokyo, Japan.

ETRI is the largest government funded research institute in Korea, which strives to advance science by means of formulating innovative ideas; developing new techniques; and training professional individuals in the area of information telecommunications to ultimately enhance social and economical aspects of the modern society.

The University of California is the nation's best public university system, delivering top-notch research and innovation to California (and the world).

Alcatel-Lucent SAS engages in the provision of communications solutions to telecommunications companies, Internet service and data providers. It develops and integrates technologies, applications and services to offer global communications services. The company was founded in 1976 and is headquartered in Boulogne-Billancourt, France.

Rockley Photonics Ltd. manufactures integrated optics, CMOS electronics, software and computer networking with silicon photonics. The company was founded by Andrew George Rickman and Aaron Zilkie in 2013 and is headquartered in Oxford, the United Kingdom.

AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company, the largest provider of mobile telephone services, and the largest provider of fixed telephone services in the United States through AT&T Communications. Since June 14, 2018, it is also the parent company of mass media conglomerate WarnerMedia, making it the world's largest media and entertainment company in terms of revenue. As of 2018, AT&T is ranked #9 on the Fortune 500 rankings of the largest United States corporations by total revenue.

Orange S.A., formerly France Télécom S.A., is a French multinational telecommunications corporation. It has 256 million customers worldwide and employs 95,000 people in France, and 59,000 elsewhere. It is the tenth largest mobile network operator in the world and the fourth largest in Europe after Vodafone, Telefónica and VEON. In 2015, the group had revenue of €40 billion. The company's head office is located in the 15th arrondissement of Paris. The current CEO is Stéphane Richard. The company is a component of the Euro Stoxx 50 stock market index.

Telefonaktiebolaget LM Ericsson engages in the provision of telecommunications equipment and related services to mobile and fixed network operators. It operates through the following segments: Networks, Digital Services, Managed Services, and Emerging Business and Other. The Networks segment supports all radio-access technologies and offers hardware, software and related services for both radio access and transport. The Digital Services segment provides software and services in the areas of digital business support systems, operational support systems, cloud communication, cloud core, and cloud infrastructure. The Managed Services segment includes networks and information technology managed services, network design and optimization, and application development and maintenance. The Emerging Business and Other segment encompasses emerging business, Iconectiv, Red Bee Media, and Media Solutions. The company was founded by Lars Magnus Ericsson in 1876 and is headquartered in Kista, Sweden.

Part of Broadcom, Inc., Broadcom International Pte Ltd. is a company headquartered in Singapore, Singapore. The firm provides personal services.

Corning, Inc. engages in the provision of glass for notebook computers, flat panel desktop monitors, display televisions, and other information display applications, carrier network and enterprise network products for the telecommunications industry, ceramic substrates for gasoline and diesel engines in automotive and heavy-duty vehicle markets, laboratory products for the scientific community and polymer products for biotechnology applications, optical materials for the semiconductor industry and the scientific community, and polycrystalline silicon products and other technologies. It operates through the following business segments: Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials, and Life Sciences. The Display Technologies segment manufactures glass substrates for flat panel displays, including organic light-emitting diodes and liquid crystal displays that are used primarily in televisions, notebook computer, desktop monitors, tablets, and handheld devices. The Optical Communications segment is classified into two main product groupings: carrier and enterprise network. The carrier network group consists primarily of products and solutions for optical-based communications infrastructure for services such as video, data, and voice communications. The enterprise network group consists primarily of optical-based communication networks sold to businesses, governments, and individuals for their own use. The Environmental Technologies segment manufactures ceramic substrates and filter products for emissions control in mobile and stationary applications. The Specialty Materials segment engages in the manufacture of products that provide material formulations for glass, glass ceramics and crystals, and precision metrology instruments and software. The Life Sciences segment develops, manufactures, and supplies laboratory products. The company was founded by Amory Houghton Sr. in 1851 and is headquartered in Corning, NY.

Optium Corporation designs and manufactures optical subsystems for use in telecommunications and cable TV network systems. The company offers a suite of optical subsystems, including transceivers, transmitters, analog RF over fiber products, line cards, circuit packs, and optical add/drop multiplexer products that deliver voice, video, and other data services for consumers and enterprises in the long haul, metropolitan, and access segments of telecommunications and cable TV networks. The company’s telecommunications transceiver products include 300 pin transceivers that are used in access, metro, and long haul fiber optic networks operating at 10Gb/s and 40Gb/s; and XFP transceivers, which are used in access, metro, long haul and storage area network applications for fiber optic transmission systems operating at 10Gb/s. Optium Corporation’s analog and cable TV products portfolio consists of HFC externally modulated transmitter subsystem, HFC distribution transmitter subsystem, HFC distribution DWDM transmitter, HFC quadrature amplitude modulation distribution transmitter subsystem, and HFC node transmitter that are used in metro and access networks, as well as FTTH headend transmitter subsystem, which is used in access networks. It sells its products to network systems vendors and contract manufacturers through sales representatives primarily in Asia, Europe, the Middle East, and South America. Optium Corporation was formerly known as Optium, Inc. and changed its name to Optium Corporation in 2001. Optium Corporation was incorporated in 2000 and is headquartered in Horsham, Pennsylvania. As of August 29, 2008, Optium Corporation operates as a subsidiary of Finisar Corp.

Designs and builds a wide range of public and private networks, communications systems and software, and data networking systems, as well as telephone systems and microelectronic components

Agilent Technologies, Inc. engages in the provision of application focused solutions for life sciences, diagnostics, and applied chemical markets. It operates through the following segments: Life Sciences and Applied Markets, Diagnostics and Genomics, and Agilent CrossLab. The Life Sciences and Applied Markets segment offers application-focused solutions that include instruments and software that identify, quantify, and analyze the physical and biological properties of substances and products, as well as the clinical and life sciences research areas to interrogate samples at the molecular and cellular level. The Diagnostics and Genomics segment consists of activity providing active pharmaceutical ingredients for oligo-based therapeutics, as well as solutions that include reagents, instruments, software and consumables. The Agilent CrossLab segment includes startup, operational, training and compliance support, software as a service, and asset management and consultative services. The company was founded in May 1999 and is headquartered in Santa Clara, CA.

Intense Limited designs, manufactures, and supplies single and multimode monolithic laser array products and high power laser diodes. It offers visible laser diode products, such as CW components, modules, and systems; infra-red laser diode products, such as CW components, short pulse components, single mode components, single emitter laser engine, and stacked arrays; laser diode bars and stacked arrays; and individually addressable laser arrays. The company also provides foundry services, including front-end wafer processing, back-end assembly line, engineering support, and product development support services; and laser diode, optics, electronics, and package design services. It serves defense and security, medical, consumer and industrial, foundry services, digital printing and imaging, computer to plate, coding and marking, and display sectors. The company supplies its products through distributors. It has a strategic partnership with IQE. Intense Limited was formerly known as Intense Photonics Limited and changed its name to Intense Limited in March 2005. The company was founded in 1999 and is based in Glasgow, the United Kingdom with manufacturing facilities in the United Kingdom and the United States.

Infinera Corporation provides optical networking systems based on photonic integration technology in the United States. Its digital transport node (DTN) system utilizes the photonic integrated circuit (PIC) technology to enable digital processing and management of data with the capability to generate wavelength division multiplexing wavelengths and to add, drop, switch, manage, protect, and restore network traffic digitally. The company's PICs transmit and receive 100 Gigabits per second of optical capacity and incorporate the functionality of approximately 60 discrete optical components into a pair of indium phosphide chips. The DTN System is used to enable optical to electrical to optical conversions at every network access point to provide communications service providers with the ability to digitally process the information being transported across their optical networks. It also offers a range of support offerings, including 24/7/365 hardware and software technical support, installation and deployment services, spares management, first line maintenance services, on-site technical services, professional services, product technical training, and extended product warranties. The company offers its products to operators of optical networks, including telecom carriers, cable operators, and Internet or content service providers. Infinera Corporation, formerly known as Zepton Networks, was founded in 2000 and is headquartered in Sunnyvale, California.

Denselight Semiconductors is a Singapore-based privately held photonics company. They design, manufacture, and deliver leading photonic optical light source products and solutions to the communications, medical, instrumentations, industrial, defense, and security industries. DenseLight processes Indium Phosphide (InP) and Gallium Arsenide (GaAs) based optoelectronic devices and photonic integrated circuits through its in-house wafer fabrication and assembly & test facilities. The company is recognized worldwide for its technological innovations in high performance semiconductor infrared superluminescent light sources and lasers, with a proven track record in deployed applications.

Hisense Broadband Multimedia Technologies Co., Ltd. is a holding company that develops and manufactures broadband multimedia consumer electronics subscriber terminal equipment. Its products include optical transceivers, consumer electronic products for passive optical networks, power line modems and set top box products for home gateway, internet protocol television (IPTV), and digital multimedia applications. The company was founded on April 4, 2003 and is headquartered in Qingdao, China.