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.

Nissin Electric Co., Ltd. engages in the manufacture and sale of electrical equipment and instruments. It operates through the following segments: Power Equipment, Beam and Vacuum-applied Equipment, New Energy and Environment, and Life Cycle Engineering. The Power Equipment segment includes switchboards, transformers, relays, circuit breakers, switches, capacitor equipment, reactors, and smart power supply systems. The Beam and Vacuum-applied Equipment segment deals with ion implanters for semiconductor and FPD manufacturing, electron beam radiation devices, and thin film coating devices. The New Energy and Environment segment sells photovoltaic power generation systems, power conditioners, power failure countermeasure devices, water treatment electrical equipment, and monitoring control systems. The Life Cycle Engineering segment includes after-sales services such as construction adjustment, maintenance, and inspection. The company was founded in November 1910 and is headquartered in Kyoto, Japan.

Chubu Electric Power Co., Inc. engages in the supply of electricity, gas, and on-site energy. It also deals with overseas consulting and investment, real estate management, and information technology (IT) business. It operates through the following segments: Miraiz, Power Grid, JERA, and Others. The Miraiz segment handles the development of energy services centered on gas and power. The Power Grid segment provides power network services. The JERA segment covers fuel procurement, power generation, and electricity and gas sales. The Others segment handles businesses related to renewable energy, nuclear power, and other affiliated companies. The company was founded on May 1, 1951 and is headquartered in Nagoya, Japan.

Jiangsu Electric Power Co. is a state-owned electric company that is mainly engaged in the constructions, management, sales & maintenance of pwer grids. The company also handles the construction, building, research, management & power-related design of electric companies within Jiangsu Province. The company was founded in December, 1988 and is headquartered in Jiangsu, CN.

Jiangsu Zhongling High-Tech Co., Ltd. is a Chinese private company located in Yangzhou that provides computer control technology related services.

State Grid Xinjiang Electric Power Co., Ltd. Electric Power Research Institute, established on 2002-05-23, Business scope includes inspection and testing services;send,Power supply equipment maintenance and technical transformation;Research and development related to power supply;Power Technology Consulting,Technical Services;with electricity,hot,cold,Production and operation related to comprehensive water energy services,Escrow,Sales,Service energy technology research and development and transfer;Energy Conservation Consulting,Energy Saving Detection;Energy saving project design,transform;Metering service;Mechanical and electrical products required for the system construction project,Sales of instrumentation;Allocation of special equipment for the electric power industry,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Eaton Corp. engages in the provision of energy-efficient solutions. The company was founded by Viggo V. Torbensen and Joseph O. Eaton on August 28, 1916 and is headquartered in Cleveland, OH.

Zhejiang Qihao Electric Technology Co., Ltd., established on 2019-04-29, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Emerging energy technology research and development;Sales of new energy original moving equipment;Retailing of computer software, hardware and auxiliary equipment;Computer System Services;electronics sales;Network Equipment Sales;Sales of power electronic components;Information Technology Consulting Services;Information system integration service;business management(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Sales of special products for computer information system security;Import and export;Technology Import and Export(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).

Jiangsu Tianhaoda Technology Co., Ltd., established on 2014-01-06, The scope of business includes engaging in information technology,electronic product,Technology development in the field of electrical equipment,technology transfer,technical consulting,Technical Services;Power management system and intelligent power meter processing,Gradient coil production(Without plating,Painting process),Sales;Medical Device Components,parts sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Global Energy Interconnection Research Institute is a Chinese company ultimately controlled by the Government of China that operates as an research institute.

State Grid Shanghai Municipal Electric Power Co. (doing business as SMEPC) is a company headquartered in Shanghai, China and ultimately controlled by the Government of China. The firm engages in electricity distribution.

Information and Communication Branch of State Grid Jiangsu Electric Power Co., Ltd., established on 2011-04-25, The scope of business includes engaging in special communication for electric power,Management of information network and facilities,technical transformation,Construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Shandong Electric Power Company Electric Power Research Institute, established on 2012-04-28, The scope of business includes entrusted by the head office to handle power system-related business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Hebei Electric Power Co. is a company headquartered in Xinji, China and ultimately controlled by the Government of China, that generates electricity.

State Grid Electric Power Research Institute Wuhan Energy Efficiency Evaluation Co., Ltd., established on 2011-10-11, Business scope includes electrical equipment quality inspection,type test,Product Identification,Failure Analysis,Product Quality Arbitration;Energy Management Project Audit and Arbitration,Audit of Energy Saving Energy of Contract Energy Management Project,Energy efficiency evaluation and testing of engineering systems and equipment,Energy-saving assessment of fixed asset investment,Testing of energy-saving products and qualification certification of energy-saving services,Energy data monitoring and management;Certification in the field of energy saving and low carbon technology,consult,In-system training and promotion services;Power Engineering;Exhibition display project,Architectural Decoration Engineering Design,Construction and General Contracting;building materials,Decoration materials wholesale,retail;Multimedia software and hardware,Advertising materials design,make,Wholesale and retail;Computer Information System Services.(Projects subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Hubei Chairi Electric Equipment Co., Ltd., established on 2002-08-26, Business scope includes investment in real estate;House to rent;property management;Warehousing Services(Does not contain dangerous goods);Economic Information Consulting(No Securities,futures).(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)

The Kansai Electric Power Co., Inc. engages in the business of electric power, heat supply, telecommunications and gas supply services. It operates through the following segments: Electric Power Transmission and Distribution, Information and Telecommunications (IT), and Life and Business Solution. The Electric Power Transmission and Distribution segment covers electricity and gas supply, through fuel procurement, power generation, transmission and distribution and sales. The Information and Telecommunications segment manages Internet connection, telecommunications, broadcasting, facility leasing, cable television, and information system operations. The Life and Business Solution segment includes real estate business and lifestyle related services. It also provides leasing, call center management, personnel dispatch, medical and healthcare, and home security. The company was founded on May 1, 1951 and is headquartered in Osaka, Japan.

Guangxi Power Grid Co., Ltd. Electric Power Research Institute, established on 2009-09-30, Business scope includes electric power scientific research,technology development,technical supervision,Technical Services,Technical Training;Power Consulting Services;generate electricity,Power transmission and distribution engineering undertaking test;Power Industry Metrology Verification,calibration;new technology,New product development;Development and Utilization of New Energy,Purchase and sale of power supplies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Zhenhua Science & Technology is an electronic components manufacturing company that provides hybrid integrated circuits, electronic functional materials, and other categories. They offer products for resistors, capacitors, inductors, fuses, piezoelectric ceramic components, LTCC filters, duplexers, dielectric resonators, power dividers, motor drivers, power managers, and more.

Part of China Zhenhua (Group) Science & Technology Co., Ltd., Shenzhen Zhenhua Microelectronics Co. Ltd. is a Chinese company located in Shenzhen. The firm manufactures and distributes hybrid integrated circuits.