State Grid Electric Power Research Institute is a company headquartered in Nanjing, China and ultimately controlled by the Government of China, specializing in commercial physical and biological research.

State Grid Hebei Electric Power Co., Ltd. Electric Power Research Institute, established on 1990-06-02, Business scope includes technical supervision of power system,technology development,Technical Training,it,Power technical service,Electric power construction adjustment test;Power Technology Consulting Services;own equipment,Realtor.

State Grid Hebei Energy Technology Service Co., Ltd., established on 1998-10-07, Business scope includes power equipment adjustment,test,Manufacturing supervision and inspection,lease;Power Technology Development,transfer,consultation service;Research on high-tech products,to develop;Energy saving technology development,to promote,Serve,consult;Electric demand side management evaluation,energy assessment,Cleaner Production Assessment,Energy efficiency evaluation,energy saving assessment;Energy Saving,Technical Services;computer technology development,to promote,consult,Serve;Science and technology novelty check.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Xinyuan Group Co., Ltd. Plump Training Center, established on 2006-06-28, Business scope includes vocational skills training within the system,Conference Services,Exhibition service;Electric Power Science Research,technology development,Product development and technical consulting services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Maintenance Branch of State Grid Inner Mongolia Eastern Electric Power Co., Ltd., established on 2012-05-10, Business scope includes licensed business items:No general operating items:Power equipment operation and maintenance,Electric Power New Technology Development,scientific research,training,consult;software development;Information operation and maintenance service;Information processing and storage support services;Information Technology Consulting Services;Own house rental;Catering Services

State Grid Xinyuan Group Co., Ltd., established on 2011-07-22, The scope of business includes engaging in the development of,invest,Construction and operation of hydropower stations;Engage in engineering consulting related to the above business,Installation and construction,overhaul,debugging,technical consulting,Technical Services,Labor export,business development.(Market entities independently choose business projects in accordance with the 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 industrial policies of the state and this city.)

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.

Xi'an Tiance Zhinao Electronic Technology Co., Ltd., established on 2019-11-08, The business scope includes electronic technology products,Technology research and development of computer software,Technical Service and Sales;Network Engineering Design,construction;Internet of Things Information Service;computer,computer consumables,Electronic Component,Sales of office equipment,Maintenance and technical service;account Serive;Exhibition display service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Electric Power Research Institute of Yunnan Power Grid Co., Ltd., established on 2005-12-05, Business scope includes commissioning of electrical engineering,detection,Laboratory analysis and performance test;Power new technology product development,Production,Sales;information Technology,Information system development,transfer,training;Power Technology Consulting Services.

Chongqing Ned Shanhua Special Vehicle Co., Ltd., established on 2001-03-22, Business scope includes licensed projects:Municipal Solid Waste Disposal;Housing construction engineering design,construction;Sales:IIIclass of medical devices;Import and export of goods and technology(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:design,manufacture,Sales,repair:car,forklift,trailer,VIP Car(Organize production according to the model approved by the national industry authority,Sales),electronic product(Does not include electronic publications),Electronic equipment,Computer hardware,Network equipment,public safety equipment,security equipment,Municipal facilities and equipment,laboratory equipment;Installation of generators and generator sets,Sales,repair;XRadiation equipment protection installation;Manage the export business of the company's self-produced products and the machinery and equipment needed by the company,spare parts,Import business of raw and auxiliary materials(Except for commodities and technologies that the state restricts the company to operate or prohibits the import and export of);Septic tank and sewage pipe network dredging and cleaning;Road cleaning business;Construction of sewage and waste treatment facilities,design,manage,Technical consulting and supporting services;Natural gas pipeline installation and commissioning;to develop,manufacture,Sales:oil,Natural gas,metallurgy,power station,chemical industry,Seawater desalination equipment;Automotive R&D Technical Services;property management;Plant and mechanical equipment leasing service;design,manufacture,Sales:container;Environmental Pollution Control(waste water,exhaust gas);Solid Waste Disposal(Does not contain hazardous waste);Industrial Waste Treatment(Does not contain hazardous waste and waste that is restricted by the state);Sales:I,IIclass of medical devices;Air Pollution Prevention and Control Equipment,Research and development of water pollution prevention and control equipment,design,manufacture,processing,Sales,Repair and lease;Municipal Facilities Management Services;Public toilet management service;Landscaping Management;Building exterior cleaning services;Urban Waters Governance Services;Jiang,Lake Governance Services;Reservoir Pollution Control Services;Road Maintenance Service;Environmental protection and governance consulting services;Mechanical Engineering Research Services;Environmental Science and Technology Research Services;Sanitation Engineering Design Services;software development;computer system integration,Manufacture of special ceramic products,Sales of special ceramic products,synthetic material manufacturing(Free of Hazardous Chemicals),Synthetic Materials Sales,Intelligent Unmanned Aerial Vehicle Manufacturing,Smart Unmanned Aerial Vehicle Sales,Data processing and storage support services,Manufacturing of electronic components,electronic(gas)Manufacturing of physical equipment and other electronic equipment,Sales of power electronic components,Manufacturing of computer software, hardware and peripheral equipment,Wholesale of computer software, hardware and auxiliary equipment,software sales,electronics sales,Sales of civil aviation materials,Air Transport Equipment Sales,Industrial automatic control system device manufacturing,Industrial automatic control system device sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Dongguan Linghu Intelligent Technology Co., Ltd., established on 2018-07-20, Business scope includes research and development,Sales:artificial intelligence products,smart device,smart robot,IoT system;Technology development and sales of computer software and hardware;Technical services of artificial intelligence software and hardware;Artificial intelligence and big data technology consulting services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yunnan Electric Power Research Institute (Group) Co., Ltd., established on 2001-09-18, Business scope includes power station investment,Development and Operation,Electricity Production and Sales;power system power generation,power transmission,Power distribution related systems,Equipment design and development,Installation and commissioning,Inspection,Security operation and maintenance,technical supervision,Technical Services;New energy related systems,Equipment design and development,Installation and commissioning,Inspection,Operation and service;System development of information technology and network information security,implement,operation and maintenance,consult,Evaluate,Serve;Technology Innovation Consulting Services,Evaluation, identification and promotion services of scientific and technological achievements;Production of power system related products,Sales and technical service;foreign investment,manage,consultation service;Power Technology Consulting,to develop,Research training;car rental,Equipment rental and housing rental;Electric high technology and relatedITIndustrial R&D,Production,Sales and related services;electric equipment,Purchase and sales of instruments and meters;drone,Drone aerial photography camera service,drone rental,Drone Repair Service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Henan Electric Power Company Economic and Technological Research Institute, established on 2012-07-20, Business scope includes power technical services,technical consulting.

Henan Huanan Medical Science & Technology Co., Ltd. is a Chinese private company. The firm manufactures medical equipment's.

Hangzhou Bioer Technology Co., Ltd. engages in the design, development, manufacture, and sales of instruments, reagents and consumables related to polymerase chain reaction (PCR) detection. Its products include real–time PCR, thermal cycle, nucleic acid extractor, dry and water bath, sample preservation solution, nucleic acid extraction reagent, PCR testing reagent, suction head, rack, PCR tubes, plates and sealing. The company was founded on June 28, 2002 and is headquartered in Hangzhou, China.

UHV Branch of State Grid Jiangsu Electric Power Co., Ltd., established on 2011-04-25, The scope of business includes engaging in planning related to the power industry,design,Research,consult,test,to build,Distribution of electrical equipment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Changzhou Ingenious Smart Home Co., Ltd., established on 2002-05-31, The business scope includes smart home and electric furniture products and spare parts,AC motor,DC motor and drive system,Mechatronics Products,Mattress,textile,plastic product,Research and development of wood products,Manufacturing and Sales;ASIC,Intelligent modules and functional modules,Program Design of Digital Control Product Components,Manufacturing and Sales;Related test equipment,tooling,Development of fixtures,Manufacturing and Sales;Steel Pipe(In addition to rolling steel,steelmaking)processing,manufacture,Sales;Information and Technology Consulting;Road Freight Operation(limit<road transport business license>Approved scope);Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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.