SK Telecom Co., Ltd. (Hangul: SK텔레콤 or 에스케이텔레콤) is a South Korean wireless telecommunications operator; it is part of the SK Group, one of the country's largest chaebols. SK Telecom is South Korea's largest wireless carrier: it leads the local market with 50.5 percent share as of 2008. Since its creation in 1984, the company has evolved from a first generation analog cellular system, to second generation CDMA, then to the world's first third-generation synchronized IMT-2000 cellular system. SK Telecom also became the world's first carrier to commercialize HSDPA in May 2006. SK expanded into the landline market by acquiring second-rated fixed-line operator Hanaro Telecom in February 2008.

The Group's principal activity is to provide long-term debt and equity investment capital to support the expansion of companies in a variety of industries. It invests in illiquid securities through privately negotiated transactions. The Group invests in private small to middle market companies. Currently, investment and lending activity is focused in private finance. On 31-Dec-2003, the Group acquired Paramount Multiservices Inc.

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.

Mitsubishi Electric Corp. engages in the manufacture, development, and sale of electric and electronic equipment. It operates in the following business segments: Energy and Electric Systems, Industrial Automation Systems, Information and Communication Systems, Electronic Devices, Home Appliances, and Others. The Energy and Electric Systems segment offers power and transportation systems, elevators, escalators, and supervisory control systems. The Industrial Automation Systems segment covers industrial automation products and systems, measurement and control systems, automotive and electronic products, and car multimedia systems. The Information and Communication Systems segment includes wireless, closed circuit television, space, and satellite communication systems, antennas, radar devices, and information communications network systems. The Electronic Devices segment provides power, high frequency, and optical devices; and liquid crystal displays. The Home Appliances segment covers air-conditioning and photovoltaic power generation systems, televisions, recorders, and players. The Others segment comprises of material procurement, logistics, real estate, advertising, and financial services. The company was founded on January 15, 1921 and is headquartered in Tokyo, Japan.

Siemens Medical Solutions USA, Inc. provides medical products and solutions. It offers imaging systems, therapy equipment, and hearing instruments for diagnosis, treatments, and patient monitoring. The firm services include imaging and therapy, customer resources and logins, healthcare financing solutions and laboratory diagnostics services. The company was founded in 1896 and is headquartered in Malvern, PA.

Part of Microsoft Corp., Microsoft Technology Licensing LLC is an American company located in Tumwater, WA, that offers patent, licensing and legal support services for Microsoft products.

General Electric Company offers infrastructure and financial services worldwide. It operates in various segments, including power and water, oil and gas, energy management, aviation, healthcare, transportation, appliances and lighting, GE capital, and more. Its power and water segment offers gas, steam and aeroderivative turbines, nuclear reactors, generators, combined cycle systems, controls, and related services; wind turbines; and water treatment services and equipment. Its oil and gas segment provides surface and subsea drilling and production systems, equipment for floating production platforms, compressors, turbines, turboexpanders, reactors, industrial power generation, and auxiliary equipment. The company’s energy management segments offers plant automation hardware, software, and embedded computing systems. Its aviation segment offers jet engines; aerospace systems and equipment; and replacement parts and repair and maintenance services. The healthcare segment provides medical imaging, software and information technology (IT), patient monitoring and diagnostics, drug discovery, biopharmaceutical manufacturing technologies, and performance improvement solutions. Its transportation segment offers freight and passenger locomotives, and diesel engines for rail, marine, and stationary power applications; railway signaling and communications systems; underground mining equipment; motorized drive systems; IT solutions; and replacement parts and value added services. The appliances and lighting segment manufactures home appliances; and lighting products for commercial and industrial applications. Its capital segment offers commercial loans and leases, fleet management, financial programs, credit cards, personal loans, and other financial services. General Electric Company was founded in 1892 and is headquartered in Fairfield, Connecticut.

Sony Group Corp. engages in the development, design, manufacture, and sale of electronic equipment, instruments, devices, game consoles, and software for consumers, professionals and industrial markets. It operates through the following segments: Game and Network Services, Music, Pictures, Home Entertainment and Sound, Imaging Products and Solutions, Mobile Communications, Semiconductors, Financial Services, and Others. The Game and Network Services segment deals with gaming machines, software and network services. The Music segment produces and publishes music and provides image media platforms. The Pictures segment handles film production, television program creation, and media networks. The Home Entertainment and Sound segment offers LCD televisions, home audio, Blu-ray Disc players and recorders, and memory-based portable audio devices. The Imaging Products and Solutions segment provides digital imaging products, professional solutions, and medical goods. The Mobile Communications segment deals with mobile phones and Internet services business. The Semiconductors segment provides image sensors and camera modules. The Financial Services segment manages the life insurance and non-life insurance operations and banking business. The Others segment includes personal computer (PC) business, overseas Blu-ray Disc, DVD and CD manufacturing, and battery business. The company was founded by Akio Morita and Masaru Ibuka on May 7, 1946 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.

NEC Corp. engages in the provision of systems, components, services, and integrated solutions for computing and communications applications. It operates through the following segments: Public Business, Enterprise Business, Telecom Carrier Business, System Platform Business, and Others. The Public Business segment provides system integration (system architecture and consulting), support (maintenance), outsourcing and cloud services, and system equipment for public, medical and financial institutions. The Enterprise Business segment offers information technology solutions for manufacturing, retail, and services. The Telecom Carrier Business segment supplies equipment to telecom carriers for network implementation, along with network control platform systems and operating services. The System Platform Business deals with products from business such as from terminals to network and computer equipment, software products, and service platforms. The Others segment includes smart energy solutions, mobile phones, and lighting equipment businesses. The company was founded by Kunihiko Iwadare on July 17, 1899 and is headquartered in Tokyo, Japan.

International Business Machines Corp. is an information technology company, which engages in the provision of integrated solutions that leverage information technology and knowledge of business processes. It operates through the following segments: Software, Consulting, Infrastructure, Financing, and Other. The Software segment combines hybrid cloud platform and software solutions to help clients become more data-driven, and to automate, secure, and modernize their environments. The Consulting segment focuses on integrating skills on strategy, experience, technology and operations by domain and industry. The Infrastructure segment offers solutions for hybrid cloud, and is the foundation of the hybrid cloud stack. Infrastructure is optimized for infusing AI into mission-critical transactions and tightly integrated with IBM Software including Red Hat for accelerated hybrid cloud benefits. The Financing segment refers to the client and commercial financing, facilitating IBM clients’ acquisition of IT systems, software, and services. The company was founded by Charles Ranlett Flint and Thomas J. Watson Sr. on June 16, 1911 and is headquartered in Armonk, NY.

Matsushita Electronics Corp. develops and manufactures electronic products. Its products include plasma TVs, DVD players, and digital cameras. It is a subsidiary of Matsushita Electric Industrial Co. Ltd. The company is headquartered in Osaka, Japan.

Google is a multinational technology company focusing on search engine technology, online advertising, cloud computing, computer software, quantum computing, e-commerce, artificial intelligence, and consumer electronics. Their products address a wide range of use cases, including email, navigation, cloud computing, web browsing, video sharing, productivity, operating systems, cloud storage, language translation, photo storage, video calling, smart home, smartphones, wearable technology, music streaming, and more.

Shandong Zhijing Unlimited Network Technology Co., Ltd., established on 2019-05-27, The scope of business includes engaging in technology development in the field of Internet of Things technology,technical consulting,technology transfer,Technical Services,computer system integration,data processing service,design,Create various advertisements,Corporate Image Planning,marketing planning,computer,Sales of software and auxiliary equipment.Security Monitoring Products,Computer hardware and software,Communication equipment,Network equipment,photographic equipment,Technology development and sales of digital products and domestic trade,Engaged in the import and export of goods and technology:Value-added Telecom Services.production and sales:Cable tunnel online monitoring system,Comprehensive online monitoring device,Micro meteorological online monitoring device,Line temperature monitoring system,On-line monitoring device for dissolved gas in transformer oil in smart substation,video surveillance system,Substation online monitoring device,Substation Online Monitoring System,Video online monitoring device,Transmission Line Fault Monitoring System,Circuit breaker online monitoring,Line online monitoring device,Image online monitoring device,Mobile Industrial Tablet,Mobile Internet of Things Smart Terminal,Radio and television comprehensive maintenance terminal and aerial photography of UAV,aerial photography,driver training,show flight.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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.

Manufactures healthcare equipment

Glory Ltd. engages in the development, manufacture, and sale of cash handling machines and systems. Its operations are carried out through the following segments: Financial Market, Retail and Transportation Market, Amusement and Gaming Market, Overseas Market, and Others. The Financial Market segment offers open teller systems, coin and banknote recyclers for tellers, money changers for bank lobbies, and security storage systems. The Retail and Transportation Market segment produces coin and banknote recyclers for cashiers, sales proceeds deposit machines, multi-functional banknote changers, cash recyclers for gas stations, and coin-operated lockers. The Amusement and Gaming Market segment provides card systems for local pachinko parlours and casinos. The Overseas Market segment markets banknote recyclers, sorters, and deposit modules for overseas financial institutions, cash-in-transit companies, and casinos. The Others segment deals with facial recognition systems and collaborative robot SI business. The company was founded in March 1918 and is headquartered in Himeji, Japan.

Changsha Qianshitong Intelligent Technology Co., Ltd., established on 2018-12-25, Business scope includes artificial intelligence applications;Development of face recognition system;Software technology transfer;Software technical service;Development and construction of computer network platform;Software Development System Integration Services;Information Technology Consulting Services;basic software,Application software development.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Do not engage in unauthorizedP2Ponline loan,Equity crowdfunding,internet insurance,Asset management and cross-border finance,Third party payment,virtual currency transaction,ICO,Internet financial services such as illegal foreign exchange)

Daewoo Electronics Co. Ltd. is a South Korean company ultimately controlled by the Government of South Korea that manufactures computers.