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.

StarGuide Digital Networks, Inc. provides digital multimedia distribution systems. It also provides state-of-the-art integration of satellite, internet and traditional telecommunications delivery technologies. The company is located in Irving, TX.

Sprint Corp. is a holding company, which engages in the provision of telecommunications services. The company was founded in 1899 and is headquartered in Overland Park, KS.

MCI, Inc. (d/b/a Verizon Business) was an American telecommunication corporation, and is currently a subsidiary of Verizon Communications, with its main office in Ashburn, Virginia. The corporation was formed originally as a result of the merger of WorldCom and MCI Communications corporations, and used the name MCI WorldCom, succeeded by WorldCom, before changing its name to the present version on April 12, 2003, as part of the corporation's ending of its bankruptcy status. The company traded on NASDAQ as WCOM (pre-bankruptcy) and MCIP (post-bankruptcy). The corporation was purchased by Verizon Communications with the deal finalizing on January 6, 2006, and is now identified as that company's Verizon Enterprise Solutions division with the local residential divisions being integrated slowly into local Verizon subsidiaries.

Develops satellite-based communications equipment used to access the Internet

Mirror Image Internet, Inc. provided global dynamic delivery network. It offered edge computing, streaming media, content delivery, and self provisioning and analytics. The company was founded in 1997 and was headquartered in Tewksbury, MA.

Network Elements is the design and development of 10Gb/s and 40Gb/s Optical Networking Modules with innovations in high-speed optics, electronics and wire-speed, multi-protocol ASICs. These Optical Networking Modules address the core, metropolitan area, edge and server markets, providing the highest levels of performance and integration in a single module. Network Elements' products enable new classes of optical networking equipment based on flexible, scalable and configurable architectures. Network Elements shuts doors.

LG Uplus Corp is a South Korean telecommunications and Mobile phone operator controlled by the LG Group, one of the country's largest chaebol. It was formerly known as LG Telecom. LG Telecom became one of the first companies to launch a commercial 3G service using PCS technology. In 1997, this was followed up by launching the second PCS network, offering greatly increased data transmission speeds. LG Telecom also offers a variety of mobile services. BankOn is one of the most popular Mobile banking services in South Korea and MusicOn is an on-line music store. In July 2006, the South Korean government has cancelled LG Telecom's business license for a W-CDMA wireless communications system after the company opted not to develop the technology. LG Telecom will instead continue investing and upgrading in its CDMA2000 EV-DO Rev. A network. In January 2010, LG Telecom merged with LG Dacom and LG Powercom. As of 1 July 2010, LG Telecom changed its name to "LG U+". On July 17th 2013 LG Uplus launched LTE-A service and introduced Galaxy S4 LTE-A, the world’s first "100% LTE" smart mobile phone that can utilize data, voice and text with LTE and not fall back to CDMA. Starting from 2014 LG Uplus plans to release only "100% LTE" phones.

Netpia provides the commercial service of the real name domain solution.

Allegro Networks, Inc. provides network routing equipment. The company was founded by Shekar Nair on January 31, 2000 and is headquartered in San Jose, CA.

Part of Deutsche Telekom AG, Sprint Communications Co. LP is an American company. The firm provides local and long distance telephone services.

Shiron Satellite Communications (1996) Ltd. designs, develops and provides satellite communication products. It offers advanced modems, VSATs, and fast Internet satellite products. The company was founded by Shaul Laufer in 1996 and is headquartered in Netanya, Israel.

The Cloud World (Beijing) Data Technology Co., Ltd., established on 2015-12-22, Business scope includes technology development,Technology Promotion,technology transfer,technical consulting,Technical Services;Sell ​​self-developed products;Computer System Services;Basic software service,Application software service;software development;software consulting;product design;model design;Packaging and decoration design;Educational Consulting(Except for intermediary services);Economic and Trade Consulting;Cultural Consulting;Sports Advice;public relations service;Conference Services;arts and crafts design;computer animation design;buisness planning,design;design,make,acting,Place an ad;market survey;business management;Business Management Consulting;health management(Except for medical treatment activities subject to approval),Health Advisory(Except for medical treatment activities subject to approval);Organize cultural and artistic exchange activities(Does not include commercial performances);literary creation;Undertake exhibition and display activities;Television planning;translation service;Natural science research and experimental development;Engineering and Technology Research and Experimental Development;Agricultural Science Research and Experimental Development;Medical Research and Experimental Development;data processing(Bank Card Center in Data Processing,PUEvalue in1.4Except for the above cloud computing data centers).(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

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.

Hangzhou Hikvision Robot Co., Ltd., established on 2016-04-20, Business scope includes general items:Research and development of intelligent robots;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;software development;Computer System Services;Information system integration service;Artificial intelligence industry application system integration service;Intelligent robot sales;Industrial Robot Sales;Sales of Service Consumer Robots;Smart Unmanned Aerial Vehicle Sales;Sales of industrial control computers and systems;Camera and Equipment Sales;Optical Instrument Sales;IoT Device Sales;Wholesale of computer software, hardware and auxiliary equipment;Communication equipment sales;Special Equipment Sales;Industrial Robot Manufacturing;Service consumer robot manufacturing;Special task robot manufacturing;Intelligent Unmanned Aerial Vehicle Manufacturing;Manufacturing of industrial control computers and systems;Camera and Equipment Manufacturing;Optical Instrument Manufacturing;IoT device manufacturing;Manufacturing of computer software, hardware and peripheral equipment;Communication equipment manufacturing;Communication equipment repair;Industrial robot installation,repair;electronic,Mechanical equipment maintenance(No special equipment);Machinery and Equipment Leasing;Special equipment rental;Import and export;Technology Import and Export(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Special Equipment Design;Special equipment manufacturing;The second type of value-added telecommunications services(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results).