Mercury Corp. designs and manufactures telecommunications equipment. Its products include Fiber, Network, Access, and Voice Switch. The company was founded on August 21, 2000 and is headquartered in Incheon, South Korea.

Expanding 4.5 million fixed lines to 20 million in just 12 years, kt introduced universal telephone service to every citizen of Korea, leading the development and advancement of communications services. More recently, kt established an advanced broadband network for the first time in Asia, and launched Korea's first communication satellite 'Mugunghwa (Sharon's Rose)', contributing to making Korea one of the most advanced countries in information and communications. Since becoming a government-funded corporation in 1997, kt changed its business portfolio to focus more on wireless and internet services instead of fixed lines. Taking over Hansol M.com and merging with its subsidiary KTF, kt expanded its business scope and included mobile communication as its main service. kt became a privately owned company in 2002 and began concentrating on building broadband network. As a result, the company set several new records including the increase of ADSL subscribers to 6 million in just 3 years and played a leading role in the age of digital networking.

Duskin Franchise Co., Ltd. is a private company headquartered in Osaka, Japan. The firm leases real estate.

Wuxi Minnie Electronic Technology Co., Ltd., established on 2013-11-12, Business scope includes technology research and development of optoelectronic equipment,technical consulting,Technical Services;Sales of optoelectronic equipment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Manufactures and distributes electric and fiber optic cables

Ultrafab, Inc. manufactures and distributes window and door weather stripping product. Its products include anti-static brushes, brush seals, bulb seals, dust plug seals, extruded seals, fin seals, static eliminators, and weather seals. The firm offers components and sealing systems to the business machine and other commercial markets. The company also distributes its products in Japan, Indonesia, Singapore, Malaysia, South Korea, Thailand, and the Philippines. Ultrafab was founded in 1970 and is headquartered in Farmington, NY.

CommScope Technologies LLC manufactures and distributes communications equipment. The company is headquartered in Hickory, NC.

Part of Medtronic Plc, Covidien Pte Ltd. is a Singaporean company located in Singapore that manufactures and supplies medical equipment.

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.

Veelo Technologies LLC is an American company located in Cincinnati, OH, that manufactures carbon nanotube sheet, film, tape and specialty coating products. The firm was founded in 2008 by Joe Sprengard, he has been the CEO since the company founding.\nThe company says this about itself: Veelo Technologies, a General Nano company, is an innovation company that develops advanced materials and manufacturing solutions for the fast-growing aerospace and defense composites industry, as well as for medical, battery, and electric vehicle applications. With headquarters in Cincinnati, Ohio, the company's core competencies include chemistry, materials science, custom formulations, scaled manufacturing, and systems and application engineering.

NHC Communications, Inc. manufactures network switching and test equipment for local telecom service providers, corporations and multi-tenant buildings. It also offers the XPoint product line geared for smaller network applications. The company was founded in 1986 and is headquartered in Mount-Royal, Canada

Cosmopolitan Textile Co. Ltd. manufactures stitchbond and needlepunch fabrics. The company is headquartered in Manchester, the United Kingdom.

Manufactures telecommunications equipments and network solutions to service providers

WaveCrest Group Enterprises Ltd. (doing business as WaveCrest), a subsidiary of Sistema PJSFC, is a British company located in London. The firm provides global communications services. Sistema PJSFC acquired WaveCrest Group Enterprises Ltd. on October 05, 2006 for $35.11 million.

Wuhan Changyingtong Photoelectric Technology Co., Ltd., established on 2010-05-18, Business scope includes special optical fiber,fiber optic cable,Special optical device,New materials for optoelectronic products,New materials for packaging and printing,Research on heat storage and energy-saving materials and special equipment,to develop,production and sales;Provide technical and engineering services for the above products;Import and export,Technology Import and Export,Agent import and export(Does not contain goods or technologies that are prohibited or restricted from import and export by the state).(Projects within the scope of the above that have specific national regulations have been approved or operated within the approved period with a license)

Daewoo Telecom Ltd. is a company headquartered in the South Korea ultimately controlled by the Government of South Korea focused on computers and computer peripheral equipment and software.

Manufactures plastic plates, sheets, tubes and profiles

Beijing Aerospace Times Optical-electronic Technology Co., Ltd. manufactures fiber optic inertial navigation instruments and systems. Its business activities include technology development, computer system and application software services, and sale of electronic products and instruments. The company was founded on December 23, 2008 and is headquartered in Beijing, China.

IPG Photonics develops and manufactures fiber lasers and amplifiers for diverse applications in numerous markets. Its diverse lines of low, medium and high-power lasers and amplifiers are used in materials processing, communications, entertainment, medical, biotechnology, scientific, and advanced applications. Its products are displacing traditional technologies in many current applications and enabling new applications for lasers. The company was founded in 1990 and is headquartered in Oxford, Massachusetts.