Dynatest International A/S provides pavement engineering equipment and consulting services. It specializes in pavement engineering services, pavement testing equipment, pavement performance analysis software, and pavement management. The firm's consultancy services include condition surveys, bearing capacity analysis, evaluation of roughness, and skid resistance for road and airport pavements. It also provides accelerated pavement testing (APT) engineering and research expertise, as well as heavy vehicle simulator (HVS) operations and maintenance services. The company was founded in 1976 and is headquartered in Søborg, Denmark.

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.

Nanjing Xiying Measurement and Control Technology Co., Ltd., established on 2012-08-27, Business scope includes computer software,Electrical Equipment,Technology research and development of instruments and meters,technical consulting,technology transfer,Sales,lease,repair,maintain;Electrical Equipment,Production of instrumentation,processing;Sales of commercial vehicles with nine seats and below.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

JSTI Group is engaged in the provision of engineering consulting and general contracting services. It focuses on preliminary consulting and scientific research of transportation projects, survey, design, consulting, test and inspection, supervision, related technical services, engineering general contracting, and other contracting services. The company was founded on August 29, 2002 and is headquartered in Nanjing, China.

Shanghai Zhuozhilitian Technology Development Co., Ltd., established on 2004-05-13, The scope of business includes engaging in road traffic technology,Civil Engineering Technology,Technology development in the field of computer technology,technology transfer,Technical Services,technical consulting,Instrumentation,Electrical Equipment,Network equipment,communication device,electronic product,household appliances,Computer hardware and software,building materials,Chemical raw materials and products(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals),car sales,Equipment Leasing(Not to engage in financial leasing),Engaged in the import and export of goods and technology,business inquiries,Engaged in the technical development of computer software and hardware,Quality inspection equipment and automatic analysis system equipment,Experimental analysis instrument,Design of Electronic Test Instruments,manufacture,to assemble,Install,repair,Instrumentation,Mechanical and electrical equipment testing services,Processing of mechanical equipment parts. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Jiangsu Suke Changlian Technology Co., Ltd. develops and designs transport systems. It also offers highway technology overload system, road infrastructure test equipment, and freeway incident detection warning system. The company was founded on April 16, 2012 and is headquartered in Nanjing, China.

Zhengzhou Anyuan Engineering Technology Co., Ltd., established on 2007-10-22, The scope of business includes inspection, evaluation and repair and reinforcement of basic engineering facilities;Technical research and development and consulting services for basic engineering facilities;Production of testing equipment,install,Sales and Leasing;building materials,car sales;Road inspection and repair;Pipe network inspection,unblock,Cleaning and Restoration;foundation engineering construction;Municipal engineering construction;Waterproof, anti-corrosion and thermal insulation engineering construction;Construction of geological disaster control engineering;Computer Technology and Software Development,Technical Advisory Services;Construction labor subcontracting.Involved in licensing projects,It should be operated after obtaining the permission of the relevant department

Shenzhen Pengpai Core City Internet Technology Co., Ltd., established on 2015-11-13, Business scope includes general business items:Wholesale of electronic components;Electronic Components Retail;Optoelectronic Device Sales;electronics sales;Sales of electronic special materials;Sales of electronic measuring instruments;Experimental analysis instrument sales;Domestic trade agent;internet sales(Except for products that require a license for sale);Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information Technology Consulting Services;software development;Advertising Design,acting.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license),The licensing program is:Import and export;Technology Import and Export;Inspection and testing service;The second type of value-added telecommunications services;Internet information service.(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)

Zhuhai Shenjian Lutong Technology Co., Ltd., established on 2010-11-12, The business scope includes the business scope recorded in the articles of association:Technical extension services;Sales instrumentation,Equipment(Car not included);Equipment Repair(Items without administrative license);Provide conference services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guangdong Hualu Transportation Technology Co., Ltd., established on 2002-03-20, Business scope includes transportation,Municipal,Engineering technology research in the water conservancy industry,engineering design,consult,supervision,detection,Material Testing,Metering service,Project Evaluation,Traffic Information and Computer Services,Transportation Technology Training,Motor Vehicle Inspection;Mechanical equipment and material sales;Machinery and Equipment Leasing,House to rent,Transportation Technology Information Consulting;design,make,acting,Place an ad.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shanxi Road Zhongdao Bridge Co., Ltd., established on 2006-03-01, Business scope includes construction works:General Contracting of Highway Engineering Construction;Construction general contracting of housing construction;General Contracting of Municipal Public Works Construction;General Contracting of Railway Engineering Construction;Water conservancy and hydropower project construction general contracting;Mechanical and electrical engineering construction general contracting;Highway Traffic Engineering;bridge engineering;tunnel Engineering;Environmental Engineering;Special Engineering;road maintenance,repair;Geological disaster control engineering design,construction;Leasing of construction machinery and accessories,Sales;building materials(Bamboo free,wood)promotion of;Landscaping project;road freight transport:Transportation of large objects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhejiang Geotechnical Instrument Manufacturing Co., Ltd., established on 1996-06-13, The scope of business includes geotechnical instruments,road instrument,construction instrument,surveying instrument,Chemical glass instrument manufacturing,Sales,lease;Glass Reagent(Removal of Hazardous Chemicals and Precursors)Sales;Import and export business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Part of Power Construction Corporation of China, Ltd., Powerchina Road Bridge Group Co., Ltd. (doing business as China Power Construction Road & Bridge Group Co., Ltd.) is a company headquartered in Beijing, China. The firm constructs roads, bridges, tunnels and infrastructure projects.

Guangdong Jiaoke Testing Co., Ltd., established on 2017-04-17, Business scope includes metering services;Engineering Management Services;Highway and Waterway Engineering Test and Inspection Service;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering and Technology Research and Experimental Development;software development;Information system integration service;Information Technology Consulting Services;Machinery and Equipment Leasing;New material technology promotion service;General machinery and equipment installation services;business training(Does not include education and training,Vocational skills training and other licensed training);electronics sales;Quality inspection of construction projects;Inspection and testing service

Qingdao Yutian Chemical Co., Ltd., established on 2011-05-13, Business scope includes licensed projects:Hazardous Chemical Production;Hazardous Chemicals Management;Import and export agency;Technology Import and Export;road freight transport(Does not contain dangerous goods).(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:Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Specialty Chemicals Sales(Free of Hazardous Chemicals);Manufacturing of engineering plastics and synthetic resins;Sales of engineering plastics and synthetic resins;Manufacturing of power facilities and equipment;Sales of power facilities and equipment;Mechanical and electrical equipment manufacturing;Machinery sales;Machinery and Equipment Leasing;General machinery and equipment installation services;Metal material manufacturing;Metal Material Sales;Manufacturing of daily necessities made of metal;Manufacturing of plastic products;Sales of plastic products;Daily necessities sales;daily mask(non-medical)Production;daily mask(non-medical)Sales;Manufacture of technical textile products;Sales of industrial textile products;Sales of knitted textiles and raw materials;tire sales;housing lease;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Zhonglu Hi-Tech Traffic Inspection and Certification Co., Ltd., established on 2017-01-16, Business scope includes certification services;construction professional work;Construction engineering design;Technical testing;Engineering and Technology Research and Experimental Development;Natural science research and experimental development;technology development,Technology Promotion,technology transfer,technical consulting,Technical Services;Computer System Services.(Market entities independently choose business projects in accordance with the law,Carry out business activities;construction professional work,Construction engineering design,Certification services and items subject to legal 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.)

Zhengzhou Youte Foundation Engineering Maintenance Co., Ltd., established on 2005-01-10, Business scope includes highway,the bridge,Maintenance and reinforcement of airport and building foundations;Scientific research and development of related technologies(The above-mentioned scope of laws and regulations stipulates that the project should be subject to approval before operation,Operate with a valid license,Do not operate without approval).

Jiangsu Provincial Transportation Research Institute Co., Ltd., established on 2004-12-30, Business scope includes domestic and overseas engineering survey and design,Engineering Management and Planning Services;Professional technical testing,Environmental monitoring;computer application service;Highway Management and Maintenance;Survey of Civil Engineering Buildings,design,test,Supervision and related technical services;Manufacturing of construction machinery and other special equipment;economic consulting;Technology Exchange and Technology Promotion,Energy-saving technical service,Energy-saving product development and sales,Economic Information Consulting Service,Editing and publishing<modern transportation technology>Magazine,design,Create a print ad,Use your own<modern transportation technology>magazine post ad.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Korea Railroad Research Institute is a South Korean private company. The firm operates as railway research body.

Foshan Traffic Technology Co., Ltd., established on 2019-11-27, The scope of business includes civil engineering and new materials for related industries,new technology,New Technology,Research and experimental development of new products,technical consulting,Technology Promotion,Production and sales;Comprehensive Utilization of Waste Resources;technology business incubation,Intellectual Property Services,Technology intermediary service;Engineering professional contracting,Engineering Technology and Design Services,Testing service;Internet and related services,Software and information technology service industry;Machinery and equipment operating lease.(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)