Korea Institute of Geoscience & Mineral Resources is a South Korean private company that provides geoscience research services.

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.

China Merchants Chongqing Transportation Research and Design Institute Co., Ltd., established on 2000-11-10, Business scope includes general items:Engaged in highways and urban municipal roads,the bridge,tunnel,Traffic Engineering,Highway buses and special vehicles,car use,Environmental protection and energy saving,Scientific research in the field of computer applications,technology development,technology transfer,Technical Advisory Services.(The following business scopes are practiced with relevant qualification certificates)Highway Industry Design Class A,Municipal industry(road works,bridge engineering,Urban Tunnel Engineering)Design Class A,Municipal industry(gas,Except rail transit)Design Class B,achitechive(construction work)Design Class B,Landscape Architecture Engineering Design Special Class A,Engineering Survey Comprehensive Class A,project consultancy:Highway Professional Grade A,project consultancy:Municipal public works(municipal transportation)Professional Grade A,Environmental Impact Assessment of Construction Projects(Class A),Preparation of water and soil conservation plan(four-star),Construction of geological disaster control engineering(Class B),Highway Engineering Test and Inspection Comprehensive Class A,Special test and detection of highway engineering bridge tunnel engineering.Contracting and its strength,scale,Foreign engineering projects that are compatible with performance,Production,sale of building materials(Free of Hazardous Chemicals),Instrumentation,General machinery and equipment development,Production,Sales and Installation(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

L&K Engineering Co., Ltd. engages in the provision of clean room system engineering services for biochemical, electronics, hospital, industrial, and pharmaceutical laboratories. It offers make up air handling units, integrated clean room ceiling grid systems with flexible connector for sprinklers, clean room partition systems, air washers and humidifier systems, and clean room lighting fixtures. The company's other activities include designing and installing air-conditioning systems, and designing and building environmental protection projects such as water treatment, sewerage, air pollution control, and waste disposal. It also designs and undertakes wired and wireless computer monitoring systems. The firm’s operations are carried out in Taiwan and its products are also exported to Singapore and Mainland China. The company was founded by Tsu Hsiang Yao on December 7, 1978 and is headquartered in New Taipei, Taiwan.

Engineering, Inc. is an American private company located in Columbia, MD, that provides engineering services.

NTEC Co. Ltd., part of PMT Corp., is a company headquartered in Narutoshi, Japan. The firm manufactures industrial machinery; distributes used industrial machinery.

Korea Construction Management Corp. is a company headquartered in the South Korea ultimately controlled by the Government of South Korea. The firm provides civil engineering services. It was founded in 1993.

Shimizu Corporation is an architectural, civil engineering, and general contracting firm that offers planning, design, and build solutions for a broad range of construction and engineering projects worldwide. The company builds residential, commercial, and institutional buildings, while performing civil engineering works for roads and operating real estate businesses. Shimizu Corporation, through its subsidiaries, sells and leases construction materials and machinery. Its service portfolio includes design-build, general construction, project management, construction management, and renovation services. The company also offers investigation, planning, research, evaluation, diagnosis, soil investigation, surveying, and consulting in connection with construction works. Shimizu Corporation was founded in 1803 by Kisuke Shimizu and is based in Tokyo, Japan.

EVERDIGM Rock Tools Corp., a subsidiary of HYUNDAI EVERDIGM Corp., is a South Korean company. The firm manufactures farm machinery and equipment.

Green + Joint Stock Corp. engages in the manufacture and distribution of pharmaceutical and herbal products. The company was founded in 2016 and is headquartered in Ben Tre, Vietnam.

International Business Machines Corp. is an information technology company, which engages in the provision of integrated solutions that leverage information technology and knowledge of business processes. It operates through the following segments: Software, Consulting, Infrastructure, Financing, and Other. The Software segment combines hybrid cloud platform and software solutions to help clients become more data-driven, and to automate, secure, and modernize their environments. The Consulting segment focuses on integrating skills on strategy, experience, technology and operations by domain and industry. The Infrastructure segment offers solutions for hybrid cloud, and is the foundation of the hybrid cloud stack. Infrastructure is optimized for infusing AI into mission-critical transactions and tightly integrated with IBM Software including Red Hat for accelerated hybrid cloud benefits. The Financing segment refers to the client and commercial financing, facilitating IBM clients’ acquisition of IT systems, software, and services. The company was founded by Charles Ranlett Flint and Thomas J. Watson Sr. on June 16, 1911 and is headquartered in Armonk, NY.

Chemical Grouting offers construction engineering services.

Fuyang Water Conservancy and Hydropower Construction Group Co., Ltd., established on 1989-07-19, The business scope includes the first-level general contracting of water conservancy and hydropower engineering construction,Building construction engineering construction general contracting level 2,Municipal Public Works Construction General Contracting Level III,Earthwork construction,Steel structure engineering construction,Land development and construction,Land reclamation,Planning and Design,Geological disaster management,Rocky desertification control,River and lake governance,Soil and water conservation,Construction steel structure production and processing,PCComponent production and processing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Suzhou Zhongsheng Environmental Remediation Co., Ltd. engages in development of technology for ecological and environmental protection. Its business scopes include soil remediation and Investigation, environmental engineering, environmental assessment and consultation, sewage operation, hydraulic engineering, water treatment, and pipeline operation and management. The company was founded on June 29, 1998 and is headquartered in Suzhou, China.

China Design Group Co., Ltd. engages in the provision of national engineering consulting service. Its business segment covers comprehensive planning institute; transportation design institute;water transport design institute; urban planning, design, and research Institute; railway planning and design Institute; environment and Intelligence division; and engineering management and inspection division. Its business include roads, bridges, water transport, aviation, municipal, railway and urban rail, water conservancy, construction, and environment and intelligent engineering. The company provides integrated solutions from scientific research and development, inspection and monitoring, project management, professional construction, and post-operation. China Design Group was founded in 1966 and is headquartered in Nanjing, 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.

Liaoning Nonferrous Metals Exploration Research Institute Co., Ltd., established on 1993-04-05, Business scope includes geological and mineral resources,Liquid Mineral Exploration;geophysical survey;to drill;Engineering Geology,Hydrogeological survey;Engineering geophysical prospecting;Geotechnical Investigation,design,governance,Testing service;Surveying and Mapping Geographic Information Services;Cultural relics protection engineering survey,design,monitor,supervision,construction;Geological Hazard Risk Assessment,Governance engineering survey,design,supervision,construction;Tailings Pond Survey,Evaluation,design,governance,monitor,construction;Water survey,surveying and mapping,Explode the reef;Rock and Mineral Analysis and Testing;Rock Mechanics Test,Geotechnical test;Inspection and testing of mine safety equipment;Land reclamation and land consolidation services;Environmental monitoring,Environmental investigation and risk assessment;groundwater monitoring,Soil Pollution Monitoring,soil remediation,Environmental Impact Assessment;Environmental Geology,Agricultural Geology,Urban geological survey and evaluation;Irrigation and drainage engineering design,Information system integration,Operation and maintenance service;Security Technology Consulting Services;Occupational Disease Evaluation and Testing;and geotechnical engineering,Geohazard Engineering,Cultural Relics Protection Project,Research and development and technical consulting services related to environmental engineering and safety engineering;Foundation and foundation engineering construction;Ports and Channels,Environmental friendly,land governance,irrigation and drainage,blasting,Earthwork,commercial and civil building,Municipal,Water Resources and Hydropower,mine construction,the highway,tunnel,bridge construction;Engineering equipment rental;Own house rental;electronic product,communication device,Sales of surveying and mapping equipment;road freight transport(branch only).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)