Guangzhou Metro Design & Research Institute engages in the design and consulting of urban rail transit. Its surveying services include geotechnical engineering surveys, engineering inspections, and engineering monitoring, among others. They offer urban and rural planning, line network planning and construction planning, engineering project proposals, pre-feasibility study reports, feasibility study report preparation, and other services.

Bonomi Eugenio SpA manufactures accessories for the power and railway industries and components for the electro-mechanical market. The company is headquartered in Montichiar, Italy.

GCF Generale Costruzioni Ferroviarie SpA manufactures pharmaceutical packaging products. The company was founded in 1950 and is headquartered in Roma, Italy.

Baoji CRRC Times Construction Machinery Co., Ltd., established on 2009-03-25, Business scope includes general items:Mainly engaged in rail cars,Catenary work vehicle,Large-scale road maintenance machinery, etc. run on the railway and undertake railway construction,repair,detection,Research and development of self-rotating special equipment for rescue and other operations,manufacture,overhaul,Sales,Serve,training,maintenance,lease,Import and export business;railway construction,repair,detection,Technical services for rescue and other operations,Professional Training;The raw and auxiliary materials required for the production and operation of the company,Equipment,Instrumentation,Import and export business of spare parts and technology;and external leasing of company resources,Technical Services;New energy vehicles and wind power equipment,Sales of lubricating oil and grease;Manufacture and sales of smart rail vehicles.The above-mentioned matters related to national monopoly shall be handled in accordance with relevant state regulations.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

CRRC Shandong Co., Ltd. (doing business as JRVEC), a subsidiary of CRRC Corp. Ltd., is a Chinese company located in Jinan that manufactures locomotive systems, components and railroad rolling stock.

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.

Traffic Control Technology Co., Ltd. engages in the development of urban rail transit signal systems. It specializes in development of equipment, system integration, general contracting of signal systems. Its solutions include urban rail transit signal system, urban rail transit simulation training system, heavy-duty mobile occlusion control system, automated depot, and fully automatic operation system. Its products include automatic train protection system, automatic train driving system, data communication system, vehicle human interface system, maintenance support system, train driving simulation training system, scheduling simulation training system, computer interlocking system, and big data-based operational dimension. The company was founded on December 4, 2009 and is headquartered in Beijing, China.

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.

China Railway Electrification Bureau (Group) Co., Ltd. (doing business as EEB) is a Chinese company ultimately controlled by the Government of China. The firm provides railway electrification construction services.

China Railway Design Group Co., Ltd., established on 1992-07-21, The scope of business includes undertaking surveys of foreign and domestic-funded projects,consult,Design and Supervise Projects;Equipment required for the above projects,Material export;Contracting and strength,scale,country with performance(territory)Foreign engineering projects;External dispatch of the department's survey,consult,Design and supervision labor personnel;In the country(territory)Hold various enterprises abroad;Manage the export business of the company's self-produced products and technologies and the machinery and equipment required by the company,spare parts,Import business of raw and auxiliary materials and technologies(Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of);Undertake domestic engineering survey,surveying and mapping,consult,design,supervision,EPC,Engineering pile detection and geological disaster prevention engineering construction projects;Consulting services related to the above business;Construction project bidding agency business;Railway Bridge Verification;Soil and Water Conservation Scheme Compilation and Environmental Impact Assessment of Construction Projects;Surveying instruments and drilling rig maintenance;Rental business of self-owned houses;Engineering Design of Public Security Technical Protection System,construction;General cargo;The following limited branch operations:stay(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Railway Fourth Bureau Group Co., Ltd., established on 1986-11-10, Business scope includes licensed projects:Various construction activities;Building Intelligent Engineering Construction;Electrical Installation Services;General contracting of housing construction and municipal infrastructure projects;Construction engineering design;Compilation of land and space planning;Construction Engineering Survey;Mapping service;Inspection and testing service;Quality inspection of construction projects;Real estate development and management;public rail transport;Production of Prestressed Concrete Railway Bridge Simply Supported Beam Products;Forest tree seed production and management;Packaging and decoration printing;Radio and television program production and management;Import and export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)General project:Engineering Management Services;Engineering technical service(planning management,survey,design,Except supervision);Professional Design Services;Civil Air Defense Engineering Design;graphic design;Industrial Engineering Design Services;Engineering cost consulting business;Planning and Design Management;Basic geological survey;Geological Exploration Technical Services;Tourism development project planning consultation;real estate consulting;Highway and Waterway Engineering Test and Inspection Service;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;New material technology research and development;Engineering and Technology Research and Experimental Development;Pension Service;Institutional pension service;Land Consolidation Services;Park Management Services;Engage in investment activities with own funds;Asset management services for self-owned capital investment;Construction machinery and equipment rental;Special equipment rental;Maintenance of transportation facilities;Machinery and Equipment Leasing;Transportation equipment rental service;Manufacturing of thermal and acoustic insulation materials;Thermal and acoustic insulation sales;Landscaping engineering construction;Cement Products Manufacturing;Cement products sales;Manufacture of new building materials(Free of Hazardous Chemicals);Sales of building materials;Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);flower planting;Forestry Product Sales;software sales;Digital Content Production Services(Does not include publishing);Advertising Design,acting;advertisement making;brand management;Conference and Exhibition Services;Graphic design and production;Corporate Image Planning;Foreign contracted projects(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

Zhengzhou New Dafang Heavy Industry Technology Co., Ltd., established on 1994-05-31, Business scope includes design,Production,Sales of self-produced power station auxiliary equipment,Construction Equipment,Wheeled Beam Carrier(Operating with a license involving special approval),Steel formwork series products and engaged in the import and export of goods and technology(Except for goods and technologies that should be subject to approval before being operated or prohibited for import and export according to national laws and regulations);transform,repair,Install special equipment;design,Production and sales of mining equipment(The above scope involves laws and regulations,Except for projects that should be approved before they can be operated);Technology transfer and other technical services;Equipment Leasing;Commercial concrete,Manufacture and sale of precast concrete elements;Construction Hoist Design,manufacture,Sales;building materials,steel,Instrumentation,Computer hardware and software,Automation equipment sales;Communication Technology,network technology,Technology development of electronic products,technical consulting,Technical Services;Computer System Integration Services;Construction labor subcontracting.(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)

ALSTOM Transport Technologies SAS, a subsidiary of Alstom SA, is a company headquartered in Saint-Ouen, France. The firm leases real estate properties. Dominique Bazi is the current CEO of the firm.

Guangzhou Metro Group Co., Ltd. engages in the construction, operation, and management of urban rail transit system. It focuses on engineering construction, operation management, development, and operation of subsidiary resources of Guangzhou urban rail transit system. Its business includes property development and operation, subway affiliate resources, professional external service, rail transit equipment manufacturing, and subway business. The company was founded on November 21, 1992 and is headquartered in Guangzhou, China.

Shanghai Civil Engineering Co., Ltd. of CREC is a private company headquartered in Shanghai, China, that provides civil engineering construction services.

Chengdu Tangyuan Electrical provides rail transit operation and maintenance solutions. Their products and service categories such as high-speed rail and urban rail transit. Their high-speed rail includes traction power supply detection and monitoring system solution and intelligent operation and maintenance information management system solution. Their urban rail transit includes traction power supply detection and monitoring system solution, public works engineering inspection and monitoring system solution, vehicle engineering inspection and monitoring system solution, and intelligent operation and maintenance information management system solution.

China Railway Liuyuan Group Co., Ltd. is a company headquartered in Tianjin, China and ultimately controlled by the Government of China. The firm constructs railway lines, highways and buildings.

Part of PCI Technology Group Co., Ltd., ST Electronics-PCI Co. Ltd. is a company headquartered in Guangzhou, China, that manufactures and distributes rail electronics products and systems.

Shandong Taikai Disconnecting Switch Co., Ltd., established on 2004-03-12, Business scope includes power system and wind power,hydropower,High-voltage switch for nuclear power and other new energy sources,Disconnectors and Earthing Switches,High voltage fuse products,Intelligent operating mechanism,Research and development of transformer neutral point complete protection device,Complete engineering design,manufacture,Sales,installation business;Export business of self-produced products of the enterprise and raw and auxiliary materials required by the enterprise,Instrumentation,Import business of machinery equipment and technology.Undertake(build,try)power facilities(The validity period is subject to the license);Power engineering general contracting;Fire engineering design and construction,Fire installation,Maintenance and Management.Recycling of waste materials.(Projects that must be submitted for approval as required by laws and administrative regulations,It should be operated with the approval documents or certificates of the relevant state departments)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)