T&T Engineering Services, Inc. provides design and engineering services as well as turnkey product supply, principally to the petroleum exploration and production services industry. T&T Engineering Services, Inc. is ISO 9001: 2008 certified by DNV. T&T was founded in 1997 and is headquartered at its design center in Tomball, northwest of Houston, Texas. T&T assists drilling contractors and oil companies in their continuing drive toward more efficient, productive, safe and reliable drilling operations. T&T is known for its contributions to the development of fast moving rigs for several major drilling contractors and for its excellent product designs.

Sinosteel Maanshan General Inst of Mining Research Co., Ltd. provides mineral resource comprehensive utilization services. It offers mining, mineral processing, geotechnical, mine safety, environmental protection, and related technical and technical engineering services. The company was founded in 1963 and is headquartered in Maanshan, China.

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.

Ciot is an importer, distributor, and retailer of ceramic and stone tiles and plumbing.

Part of Schlumberger NV, Schlumberger Technologies, Inc. is a company headquartered in Moorestown, NJ, that provides oilfield services such as distributing oil and gas information technologies and providing consulting services.

Shenzhen Power Supply Bureau Co., Ltd., established on 2012-01-31, Business scope includes general business items:invest,planning,the construction,Operate and manage Shenzhen Power Grid,Operating related power transmission and distribution business;Participate in investment,planning,Construction and operation related cross-regional power transmission and transformation and networking projects;Engaged in electricity purchase and sale business and related services,Responsible for electricity trading and dispatching;debugging,repair,Inspection and testing of electrical equipment,Power supplies and equipment;Charging facility design,the construction,Install,operate,lease,technical consulting,Technical Services,Inspection and Maintenance;Conduct scientific research related to grid operation and electricity supply,technical supervision,technology development,Electricity Production Scheduling Information Communication,consultation service,Electricity Education and Business Training;Approved by China Southern Power Grid Corporation,Other businesses operated according to law.,The licensing program is:Production of charging facilities(The production license shall be declared separately).

China Southern Power Grid Digital Grid Research Institute Co., Ltd., established on 2017-03-31, Business scope includes smart grid design;Compilation of Smart Grid Standards;Smart grid technology research and development;Smart grid system integration;Smart grid project implementation;Network communication planning consultation;Compilation of network communication standards;Network communication technology research and development and product development;Network Communication System Integration;Network communication operation and maintenance;smart grid,Digital grid related chips,terminal,Research and development of sensors and other products;smart grid,Digital grid related chips,terminal,Production of sensors and other products;computer technology development,Technical Services;Research and development of microelectronic software and hardware technology,test;Research and development of communication equipment technology,test;Research and development of automation control system technology,test;computer wholesale;Microelectronics Software Sales;Microelectronics Hardware Sales;Wholesale of communication equipment and supporting equipment;Automation control system sales;Research and development and application of cloud computing technology;R&D and application of big data technology;Technology development and technical services of artificial intelligence algorithm software;Internet of things technology research and development and application;Network Communication Engineering Implementation;smart grid,Digital grid related chips,terminal,Sales of sensors and other products;Data open sharing service business,Digital Economy and Smart Enterprise Research and Application;Research and development of network security technology,Sales,Testing and Security Services;Information system development;Information system integration service;Information system operation maintenance and operation management;Smart grid and digital technology promotion,consult,comminicate;Smart Grid and Digital Technology Transfer;Smart grid and digital technology testing services;Blockchain technology research and development and application;

State Nuclear Electric Power Planning Design & Research Inst (doing business as SNPDRI) is a Chinese private company located in Beijing that engages in nuclear electric power planning, design & research services.

Guangzhou Development Taiping Energy Station Co., Ltd., established on 2016-09-06, Business scope includes power supply;Enterprise own capital investment;

Part of ChangYuan Technology Group Ltd., CYG Sunri Co. Ltd. is a company headquartered in Shenzhen, China, that manufactures and distributes electric system protection system, electric transformer automation system, and other electric automation devices. The firm was acquired by ChangYuan Technology Group Ltd. on June 10, 2010 for $37.35 million.

Guangzhou Development Energy Station Management Co., Ltd., established on 2014-06-06, Business scope includes enterprise management services(Except for those involving licensed business projects);asset Management(Does not include license approval items);Business Management Consulting Services;Engineering Technology Consulting Services;Bidding agency services for engineering construction projects;Engineering Project Management Services;Energy Technology Research,Technology Development Services;Energy saving technology development service;Heat production and supply;

State Grid Zhejiang Electric Power Co., Ltd. Huzhou Power Supply Company Second Name: Huzhou Electric Power Bureau, established on 1998-05-06, Business scope includes electricity sales.

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.

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.

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.

State Power Investment Corporation Science and Technology Research Institute Co., Ltd., established on 2011-06-28, Business scope includes engineering and technology research and experimental development;technology development,technical consulting,Technical Services,Technology Exchange,technology transfer,Technology Promotion;computer technology training;Organize cultural and artistic exchange activities(Except for performances);Sales of computer software and hardware;software development;Trade Brokers & Agents;Technology Import and Export;Technology intermediary service;Office space for rent;lease commercial premises;property management;design,make,acting,Place an ad;data processing(Bank Card Center in Data Processing,PUEvalue in1.4Except for the above cloud computing data centers)and storage support services;Information system integration service;Socioeconomic Advisory Services;Conference Services;Undertake exhibition and display activities;Construction General Contracting;Engineering Management Services;Inspection and testing service;Resource recycling service technical consultation;Construction engineering design;Certification Services.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Certification Services,Construction engineering design;and items that are legally subject to approval,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.)

Tokyo Gas Co., Ltd. engages in the provision of city gas and other gas-related products. It operates through the following segments: Gas, Electric Power, Overseas Business, Energy-related, Real Estate, and Others. The Gas segment produces, supplies, and sells city gas and liquid gas. The Electric Power segment handles electric power services. The Overseas Business segment deals with overseas resource development, investment, and energy. The Energy-related segment includes engineering solutions, gas appliances, and gas construction works. The Real Estate segment leases and manages land and buildings. The Others segment includes information processing service and shipping businesses. The company was founded by Eiichi Shibusawa on October 1, 1885 and is headquartered in Tokyo, Japan.

State Grid Smart Vehicle Networking Technology Co., Ltd., established on 2015-12-29, Business scope includes electric vehicle charging,Battery replacement technical service;new energy vehicles,Technology development of electronic products,technology transfer,technical consulting,Technical Services;Investment;sell cars,auto parts,computer,Software and Auxiliary Equipment,Machinery and electrical equipment,electronic product,stationery,household appliances,cosmetic,sporting goods,daily necessities,textile,clothing,jewelry,communication equipment,crafts;Car rental(Excluding passenger cars with more than nine seats);Rental machinery and equipment;Technology Import and Export,Import and export,Agent import and export;Computer System Services;design,make,acting,Place an ad;Tourist Information Consultation;shipping agent;Theatrical performance ticket agency;software development;Motor Vehicle Public Parking Services;Electric Vehicle Charging Infrastructure Operations;electricity supply;sell food;Internet information service.(Market entities independently choose business projects in accordance with the law,Carry out business activities;electricity supply,sell food,Internet information services and projects subject to approval according to 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.)

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.