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.

SGCC was founded on Dec. 29th, 2002 as a pilot state-owned corporation by the State Council. As a backbone state-owned enterprise that may affect national energy safety and economic lifelines, SGCC's core business is to build and operate power grids and provides secure and reliable power supply for the development of the society. With a registered capital of RMB 200 billion yuan and service area covering 26 provinces,autonomous regions and municipalities directly under the jurisdiction of the Central Government which equals to 88% of the national territory. SGCC carries out the president responsibility system. The president is the legal corporate representative of SGCC. By the end of 2005, SGCC accumulated a total asset of RMB1176.7 billion yuan with a debt-asset ratio of 61.96%, and possessed 195,899 km of 220kV and above transmission lines with a transforming capacity up to 616.64 GVA. SGCC has 1.502 million employees and serves 128 million customers. In 2005, SGCC sold electric power up to 1464.6 TWh and achieved an operation income of RMB 721.4 billion yuan with a net profit of RMB14.4 billion yuan profit & tax of RMB 60.4 billion yuan. SGCC was ranked the 40th in the Fortune Global 500 in 2005.

Korea Institute of Energy Research is a government-funded research institute that develops energy technology.

Hebei Aoyi New Material Co., Ltd., established on 2017-11-20, Business scope includes general items:new material,doors and windows,profiles,Research and development of environmentally friendly materials,processing,manufacture(branch only)and sales;Door and window installation;Fresh air system,Smart Home System,Sales of energy-saving lighting fixtures;Network technology research and development;Design of Environmental Protection Equipment,research and development,consult,Installation sales and technical services,technology transfer;Building Information Modeling Design,manufacture(branch only),consult,Technical Services,technology transfer;heating equipment,Ventilation equipment,Water purification equipment,security equipment,building materials,Parking Garage Equipment,electronic product,Equipment,Design of water supply and drainage equipment,research and development,consult,Installation sales and technical services,technology transfer.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Korea Institute of Civil Engineering and Building Technology contributes to the development of the Korean construction industry.

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.

Ecosian Co. Ltd., a subsidiary of HanmiGlobal Co., Ltd., is a company headquartered in Seoul, the South Korea. The firm provides environmental consulting services. It was acquired by Ecosian Co. Ltd. on January 10, 2012.

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.

Shanghai Institute of Building Research Co., Ltd., established on 2011-12-12, Business scope includes licensed projects:Building Intelligent System Design;Construction engineering design;Inspection and testing service;Quality inspection of construction projects;Water Conservancy Engineering Quality Inspection;Special equipment inspection and testing services;Mapping service;Construction Engineering Survey;Construction Engineering Construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments) General project:Engineering and Technology Research and Experimental Development;Engineering Management Services;Information Technology Consulting Services;Municipal facilities management;Energy saving management service;earthquake service;New material technology research and development;Certification Consulting;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Hunan Chengyou Green Building Technology Co., Ltd, established on 2016-08-10, Business scope includes general items:Engineering and Technology Research and Experimental Development;Manufacture of concrete structural components;Sales of concrete structural components;Metal Structure Sales;Foreign contracted projects;Manufacturing of lightweight building materials;Sales of building materials;Manufacture of new building materials(Free of Hazardous Chemicals);Sales of lightweight building materials;Mold Sales;mold making;Information Consulting Service(Not including licensing information consulting services);Building Decoration,Manufacture of plumbing parts and other metal products for construction;Sales of building decoration materials;Metal doors and windows engineering construction;Furniture Installation and Repair Services;Insulation Material Sales;Cement Products Manufacturing;Engineering Management Services;Professional Design Services;Security technology prevention system design and construction services;Import and export;Door and window manufacturing and processing;Metal Products Sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Construction Engineering Construction;Construction engineering design;road freight transport(Does not contain dangerous goods)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments).

China Academy of Building Research engages in the development and management of the major engineering construction and product standards of China. It involves in the quality supervisions and tests on engineering construction, air conditioning equipment, solar water heater, elevator and chemical building materials. The company was founded in 1953 and is headquartered in Beijing, China.

China Architecture Northwest Design and Research Institute Co., Ltd., established on 1996-08-27, Business scope includes industrial and civil architectural design;Investigation and design of cultural relics protection projects;decoration design,building materials(ceramics,tile,cast stone,cement)Factory full set design,EPC;Urban Planning and Design;Evaluation of construction engineering projects and building materials engineering projects;Power distribution equipment design and manufacture;Municipal,air defense,Business,supplies,Aerospace Engineering Design Studies;Engineering geological survey;Geotechnical Construction;Engineering bidding agency;Engineering cost consultation;construction drawing review;Realtor;Tourism planning and design;Whole Process Engineering Consulting.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Part of Wanhua Industrial Group Co., Ltd., Wanhua Energy Saving Technology Group Co., Ltd. is a company headquartered in Yantai, China. The firm manufactures and wholesales building products.

Zhonglian Northwest Engineering Design and Research Institute Co., Ltd., established on 1990-03-22, The scope of business includes undertaking machinery,architecture,New Energy Engineering,light spinning,Military Industry and Urban Planning,Environmental Engineering,pressure vessel,Engineering Design and Engineering Consulting for Pressure Piping;Engineering cost consultation;Engineering Supervision;Construction general contracting,Environmental engineering professional contracting,Mechanical and electrical engineering construction general contracting,General contracting of electric power construction;business food,telecommunication,radio and television,Municipal,Civil Air Defense Engineering,Water Pollution Prevention and Control Engineering,Atmospheric governance,Engineering Design and Consulting for Solid Waste Treatment and Disposal;undertake architectural decoration,building curtain wall,light steel structure,Building Intelligent System,illumination,Engineering design business of fire protection facilities;import and export trade(Except for commodities and technologies that are restricted or prohibited from import and export by the state);Mechanization,Design of automated production lines and special equipment and sales of complete sets of products;Sales of instrumentation,repair;data translation;Construction Project Engineering Management;Maintenance and inspection of fire protection facilities,Fire Safety Assessment;Computer and mobile phone hardware and software design,to develop,Sales and technical consultation;Electronic products and accessories,computer aided equipment design,to develop,Sales,Install,Technical consultation and maintenance;Engineering bidding agency;Property Management Services;Copy and type,business card printing,Graphic printing,advertisement making;Construction Project Planning;venue rental,Conference Services;Catering Management and Service;food,Daily necessities retail.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

ABB Group, part of ABB Ltd., is a Swedish company that manufactures electrical and electronic products.

Quanzhou Zhuzhou Construction Engineering Co., Ltd., established on 2016-05-11, Business scope includes construction works,Ancient Architecture,Municipal public works,Water Resources and Hydropower Engineering,Road construction,bridge engineering,Port and Channel Engineering,Building decoration project,foundation engineering,Airport track engineering,Waterproof, anti-corrosion and thermal insulation engineering,Steel structure engineering,Building Curtain Wall Engineering,Electronics and Intelligent Engineering,Fire facilities engineering,Environmental Engineering,Communication Engineering,Urban and road lighting engineering construction,contract;Engineering Supervision;Engineering cost consultation;Real estate development and management.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Korea Electric Power Corporation (NYSE: KEP, KRX: 015760), better known as KEPCO (Hangul: 켑코) or Hanjeon (Hangul: 한전), is the largest electric utility in South Korea, responsible for the generation, transmission and distribution of electricity and the development of electric power projects including those in nuclear power, wind power and coal. KEPCO is responsible for 93% of Korea's electricity generation. The South Korean government (directly and indirectly) owns a 51.11% share of KEPCO. Together with its affiliates and subsidiaries, KEPCO has an installed capacity of 65,383 MW. On the 2011 Fortune Global 500 ranking of the world's largest companies, KEPCO was ranked 271. KEPCO is a member of the World Energy Council, the World Nuclear Association and the World Association of Nuclear Operators. As of August 2011, KEPCO possesses an A+ credit rating with Fitch Ratings, while Moody's has assigned KEPCO an A1 stable rating.