Chevron, Inc. manufactures towing and recovery equipment. Its products include fuels and stations, gift and credit cards and motor oils and fuel & additives. The company was founded in 1969 and is headquartered in Mercer, PA.

China Three Gorges Corp. engages in the development and operation of hydropower projects. It operates through the following business segments: Hydropower, New Energy, International Business, Finance, and Engineering & Design. The Hydropower segment involves power generation and hydropower project construction. The New Energy segment involves onshore wind power, offshore wind farms, and solar power. The International Business segment involves contracting business and investment projects. The Finance segment provides fund collection, settlement, and monitoring; and manages auxiliary assets services. The Engineering & Design segment provides support and logistics services. The company was founded on September 18, 1993 and is headquartered in Beijing, China.

Shandong Guodi Water Conservancy Land Survey and Design Co., Ltd., established on 2006-03-08, Business scope includes land development and consolidation;Water conservancy project;Ecological environment engineering;Soil and Water Conservation Engineering;Agricultural engineering planning and design and related technical consulting services;engineering survey,Cadastral Mapping,Engineering cost consultation;Land Use Master Plan,Land development and reclamation planning,Farmland Protection Planning,Land Ecological Construction Planning,Compilation of land consolidation project planning and other special land planning,design,argument,Consulting, etc.;plumbing;Earthwork;Building decoration project;Subcontracting of masonry work;Electrical Equipment(No special equipment)Installation work(The above projects are operated with qualification certificates);Computer software system integration and integrated wiring.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Part of Exxon Mobil Corp., Exxonmobil Upstream Research Co. is a company headquartered in Houston, TX, that engages in exploration of oil and gas.

Toyo Construction Co., Ltd. engages in marine and civil engineering, building construction, and real estate businesses. It operates through the following segments: Domestic Civil Engineering, Domestic Construction, Overseas Construction, Real Estate, and Others. The Domestic Civil Engineering segment consists of local civil engineering projects such as railways, roads, energy plants, ports, and airports. The Domestic Construction segment provides architectural services within Japan. The Overseas Construction segment deals with the construction of factories, power plants, educational institutions, welfare facilities, and buildings abroad. The Real Estate segment offers real estate sales and leasing services. The Others segment includes the operation of insurance agency; and sale and lease of goods. The company was founded on July 3, 1929 and is headquartered in Tokyo, Japan.

Ohbayashi Corp. is a private company headquartered in Japan that provides general construction services includes engineering, design, contracting, construction and management services.

Chaofeifan Technology (Tianjin) Co., Ltd., established on 2013-02-26, Business scope includes electronic products,Equipment,Chemical Products(In addition to dangerous goods)technology development,Technical Services,technology transfer,Wholesale and retail;Science and Technology Information Consulting Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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)

Chevron USA, Inc. provides petroleum refining services and operates gasoline stations. It produces and transports crude oil and natural gas. The company was founded in 1984 and is headquartered in San Ramon, CA.

Envirostream Solutions Pty Ltd. provides water treatment and urban development. It offers container filter, sewage and customized water treatment, sentinel pits, tree surrounds, effluent disposal, leaks and blockages and maintenance services. The company is headquartered in Melbourne, Australia.

Taisei Corporation (大成建設株式会社 Taisei Kensetsu Kabushiki-gaisha) (TYO: 1801) is a Japanese corporation founded in 1873. Its main areas of business are building construction, civil engineering, and real estate development. Taisei's headquarters are located at Shinjuku Center Building in Nishi-Shinjuku, Shinjuku, Tokyo.

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

Linde Engineering Dresden GmbH, a subsidiary of Linde plc, is a German company located in Dresden. The firm engages in designing and building pharmaceutical, chemical and biotechnology plants.

Part of China Railway Hi-tech Industry Corp. Ltd., China Railway Engineering Equipment Group Co., Ltd. is a company headquartered in Zhengzhou, China. The firm operates as an investment holding company.

Kandenko Co., Ltd. engages in the business of facility installation works, sale of electrical equipment, real estate leasing, and sale of electrical power. It operates through the following segments: Engineering and Others. The Engineering segment offers electrical, telecommunications, plumbing, and civil engineering works. The Others segment deals with the electrical equipment sales, real estate business, power generation, and leasing services. The company was founded on September 1, 1944 and is headquartered in Tokyo, Japan.