China Railway Siyuan Survey & Design Group Co., Ltd. is a company headquartered in China ultimately controlled by the Government of China. The firm provides engineering survey and design services.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

ConocoPhillips Co. explores, produces, refines, and wholesales oil and natural gas. The company is headquartered in DE.

China Railway First Survey & Design Institute Group Co., Ltd. is a Chinese company ultimately controlled by the Government of China that provides engineering survey, design, supervision and consulting services.

Shanghai Tongyan Civil Engineering Technology Co., Ltd., established on 2003-12-05, Business scope includes geotechnical engineering,construction work,Municipal Engineering,Environmental Engineering,computer information technology,Technology development in the field of automated monitoring technology,technical consulting,technology transfer,Technical Services,Geotechnical Investigation,Engineering survey and survey,Mapping service,Construction Engineering Inspection,Instrumentation,car design,Sales,computer software development,Sales,computer system integration,Computer Network System Engineering Services,data processing,Highway traffic construction engineering professional construction,Building intelligent construction engineering professional construction,Own Equipment Rental. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

The Central Research Institute of Electric Power Industry (CRIEPI; 電力中央研究所) is a Japanese non-profit foundation that conducts research and development of technologies in a variety of scientific and technical fields related to the electric power industry. Also, CRIEPI researches many aspects of social matters through subordinate laboratories. CRIEPI not only engages in research and education in Japan, but also provides education, training and technology transfer worldwide.

Manufactures and distributes sophisticated hot & cold-rolled strip steel and alloy tool steel

Powerchina Chengdu Engineering Corp., Ltd. provides planning and consultancy, investigation and design, engineering and construction, as well as investment and financing services in clean energy, water, infrastructure, and other fields. The company was founded in 1950 and is headquartered in Chengdu, China.

Yellow River Survey, Planning and Design Research Institute Co., Ltd., established on 2003-09-16, Business scope includes licensed projects:Compilation of land and space planning;Construction Engineering Survey;Construction engineering design;Construction Project Supervision;Construction supervision of water conservancy projects;Quality inspection of construction projects;Water Conservancy Engineering Quality Inspection;Inspection and testing service;Mapping service;Geological disaster control engineering survey;Geological disaster control engineering design;Geological Hazard Risk Assessment;Special Equipment Design;Building Intelligent System Design;Indoor environment detection;Civil Air Defense Engineering Design;Safety Evaluation Business(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:Planning and Design Management;water resource management;Hydrological Services;Engineering and Technology Research and Experimental Development;Environmental Consulting Services;Water Conservancy Related Consulting Services;Engineering cost consulting business;Soil Erosion Prevention and Control Services;Engineering Management Services;Bidding agency service;Information Technology Consulting Services;software development;Geographic Remote Sensing Information Service;Metering technical service;Information system integration service;Intelligent water system development;Computer System Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Emerging energy technology research and development;Energy Storage Technology Services;Solar Power Technology Services;Wind Power Technical Services;Geological Exploration Technical Services;Soil Pollution Control and Restoration Services;Soil Environmental Pollution Prevention and Control Services;Agricultural non-point source and heavy metal pollution prevention and control technical services;Land Consolidation Services;Water Environment Pollution Prevention and Control Services;water pollution control;Atmospheric Environmental Pollution Prevention and Control Services;Environmental Protection Monitoring(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Tiandi Science & Technology Co., Ltd. engages in the manufacture and sale of electronic products, environmental protection equipment, mining mechanical and electrical products, and scientific research products. It operates through the following business segments: Coal machinery, Safety equipment, Coal sales, Technology projects, Engineering projects, and Environmental protection equipment. Its services include underground engineering technology development, project design and contracting, enterprise management, construction project management, and development of technology related to mine construction, freezing, grouting, and drilling. The company was founded on March 24, 2000 and is headquartered in Beijing, China.

China Railway Eryuan Engineering Group Co., Ltd., established on 1994-12-20, The business scope includes undertaking various industries at home and abroad,Construction engineering surveys of all levels,design,EPC,Engineering Supervision,project consultancy,Project management and technical management services;Investment Advisory Evaluation(Do not engage in illegal fundraising,Financial activities such as absorbing public funds),energy saving assessment;Exploration of geological disaster prevention and control engineering,design evaluation;construction drawing review;Urban and Rural Planning Services;Mapping service;Engineering cost consultation,Environmental Impact Assessment,Environmental Pollution Prevention,Preparation of water and soil conservation plans for development and construction projects,Hydrology and water resources investigation and evaluation,Flood control and waterlogging technical consulting services;computer software development,system integration,Information Systems Engineering,Building Intelligent Engineering,Electrical and Electronic Engineering,Design consulting services for public safety precautions and technical engineering,engineering equipment,equipment,member,Material research and development,develop(Only branches operating in industrial parks)and sales;surveying instrument,Rig Repair,Quality inspection technical service,Engineering inspection,Metrological identification,Hydraulic Geotechnical Testing,test;railway passenger transport,rail freight transport;Business operations permitted by national policies;Import and export,Technology Import and Export;Relevant scientific research and transformation of achievements;Journal publishing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

SZ Schacht- und Streckenausbau GmbH is a German private company located in Recklinghausen. The firm produces steel structures. Cord Ole Scharrelmann is currently the CEO of the company.

CCCC First Aviation Bureau Third Engineering Co., Ltd., established on 1953-05-03, Business scope includes licensed projects:Various construction activities,road freight transport(Contains dangerous goods),Transport of Dangerous Goods by Waterway,Blasting operation,Quality inspection of construction projects,Inter-provincial general cargo shipping,Shipping within the province,Installation, modification and repair of special equipment,Import and export,Technology Import and Export,Mapping service,Internet information service(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) General project:Cement Products Manufacturing,Cement products sales,Loading and unloading,Machinery and Equipment Leasing,Special equipment rental,Construction machinery and equipment rental,Transportation equipment rental service,Office equipment rental service,Sales of building materials,Sales of lightweight building materials,Mold Sales,Sales of building waterproof membrane products,Sales of steel products for construction,Fabrication of Metal Structures,Metal Structure Sales,Earthwork construction,ship repair,Engaged in container ships between the Mainland and Hong Kong and Macau,general cargo shipping,international container ship,general cargo shipping,Non-residential real estate leases,housing lease,Landscaping engineering construction,Environmental emergency management service,Environmental Consulting Services,Foreign contracted projects,Information system integration service,Internet of Things Technology Services,Engineering and Technology Research and Experimental Development,Information Technology Consulting Services,Engineering Management Services,electronics sales,Shipbuilding,Manufacture of concrete structural components,Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals),Specialty Chemicals Sales(Free of Hazardous Chemicals),Manufacture of new building materials(Free of Hazardous Chemicals)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Energy Investment Corp. Ltd. engages in coal production, sales, electricity & thermal generation, coal liquefaction & coal chemicals, railway and port transportation. The company was founded on October 23, 1995 and is headquartered in Beijing, China.

CCCC First Harbor Engineering Co., Ltd. engages in the business of port construction services. The firm covers marine works for ports, shipyards and navigational structures, construction of roads, bridges, airports and light railways, railways and subways, installation of large-size complete equipment and plants, construction of industrial and civil buildings and other medium and large size construction projects. The company was founded on November 12, 1945 and is headquartered in Tianjin, China.

National Energy Group Xinjiang Energy Co. Ltd. is a Chinese private company located in Urumqi. The firm manufactures and distributes coal products. It was founded in 2000.

China Municipal Engineering Northwest Design and Research Institute Co., Ltd., established on 1994-09-30, Business scope includes municipal public(water supply,drainage,gas,heat,the way,the bridge,tunnel,Public transit,manned ropeway,Rail,sanitation)engineering design,Architectural Engineering Design,Urban Flood Control Design,Highway Engineering Design,Landscape Architecture Engineering Design,Comprehensive engineering survey,Engineering consulting in the field of urban planning and above,Engineering cost consultation;Undertake domestic and foreign public,civil housing construction,Municipal public works,Mechanical and electrical installation engineering and bridge engineering,Building decoration project,Construction mechanical and electrical installation engineering,Construction of environmental protection projects,Install;Commodity purchase and sale and import and export;Outsourcing and its strength,scale,Performance-appropriate engineering projects,And dispatch labor personnel required for the implementation of the above foreign contracted projects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

Research Institute of Highway Ministry of Transport is a company headquartered in China ultimately controlled by the Government of China that provides road, bridge and traffic engineering services.

Shanxi Tiandi Coal Machinery Equipment Co., Ltd., established on 2006-08-07, Business scope includes mining machinery,Design of complete sets of hydraulic equipment and components,to develop,Production, sales and technical services;automatic control,Development and product sales of computer and network technology;Coal machine equipment maintenance;Mining Engineering Contracting;import and export:Import and export,Technology Import and Export;Electrical products,Ordinary machinery,building materials(except wood),Instrumentation,metallic material,coal,Sales of coke and other coal products;Mechanical and electrical equipment installation;Machinery and Equipment Leasing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)