Yanmar Co., Ltd. engages in the development and production of diesel engines, agriculture machinery, marine diesel engines, construction equipment, energy systems, industrial engines, large engines, hydraulic parts, transmissions and others. It offers industrial engines for powering mobile and stationary off highway equipment such as generator sets, construction and agricultural equipment, pressure washers, and military applications. It also manufactures cogeneration and air conditioning systems, welding equipment, propulsions, and related accessories. The company was founded by Magokichi Yamaoka on March 22, 1912 and is headquartered in Osaka, Japan.

EDF is an electric utility company that provides heat humps. wind turbines, photovoltaic, and geothermal energy. It serves small businesses, local authorities, and industrial and residential customers. They also generate electricity through nuclear, fossil fuel, hydro, solar, wind, biomass, biogas, tidal, geothermal, and cogeneration plants. EDF also manages low and medium-voltage public electricity distribution networks, operates, develops, and maintains high-voltage and very-high-voltage electricity transmission networks; and services and produces equipment and fuel for nuclear reactors. The company is present in all businesses such as transport, trading, production, sale, and the distribution of energy. EDF was founded in 1946 and is headquartered in Paris, Ile-de-France, France.

FUJITA Co., Ltd. buys and sells secondhand medical equipment. It also sells brand new medical equipment. Its products include ultrasound, endoscope, angio, laser and ophthalmic equipment, X-ray, computed tomography (CT), and magnetic resonance imaging (MRI). The company was founded on July 12, 2006 and is headquartered in Tokyo, Japan.

Panda Wisdom Water Co., Ltd, established on 2018-02-11, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion,Information system integration service,Municipal facilities management,Leasing of cold and heat exchange equipment,Domestic Trade(Except for special regulations),Manufacture of special machinery and equipment for water resources,Manufacture of various types of pumps,valve,motor,Ultrasonic water meter,flow meter,control device,Smart water integration series products,Complete set of water supply integration series products,Sewage series products,HVAC series products, fire protection series products and related product services,Installation of general mechanical equipment,Professional construction of fire protection facilities construction engineering,Building intelligent construction engineering professional construction,Environmental protection construction engineering professional construction,Professional construction of mechanical and electrical equipment installation and construction engineering,Intelligent water system development,software development,Information system operation and maintenance services,car sales,Manufacturing of electronic components,Sales of cooling and heat exchange equipment.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license) licensed items:Various construction activities;Mapping service;Import and export;Technology Import and Export;Real estate development and management.(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)

Organo Corp. engages in the manufacture and sale of water purifiers and electrical equipment. It operates through the Water Treatment Engineering and Functional Products segments. The Water Treatment Engineering segment manufactures and sells large-scale water treatment equipment; and provides remodeling, replacement, and maintenance services. The Functional Products segment offers standard water treatment equipment, water treatment chemicals, and food additives. The company was founded on May 1, 1946 and is headquartered in Tokyo, Japan.

Volvo Group Korea Co., Ltd., part of Volvo AB, is a South Korean company. The firm designs, manufactures and markets automobiles and industrial trucks. It was founded in 1998.

Dohwa Engineering Co., Ltd. engages in the provision of engineering consultancy services. It offers design, construction management, construction supervision, project management, feasibility studies and technical assistance services. It provides consulting services for water resources, urban community planning and development, energy, infrastructure and transportation, environment, construction supervision and management. The company was founded on May 5, 1962 and is headquartered in Seoul, South Korea.

Samsung Heavy Industries has successfully completed many of the world's first and largest shipbuilding and offshore EPC projects, with sole aim to establish global leadership in each of the participating market segments. Most notably, it has achieved unbeatable leadership in the high-tech high-value shipbuilding sector by maintaining the world’s No. 1 share in the drill ship, LNG carrier and FPSO markets. The company has developed and built the first Arctic Shuttle-Tanker and LNG-FPSOs in the world, and has pioneered new market developments by developing innovative products such as LNG-FSRU, and various ships for polar applications, Arctic Ice-Breaker Container Ships. In the offshore facilities sector, the company has fortified its reputation through its excellent technology and rich experience, by successfully delivering the world’s largest semi-submerged offshore drilling platform.

Zhejiang Electric Power Co., Ltd. is a wholly state-owned electric corporation in China. It is responsible for the construction, operation and management of state power grid operators. It also supplies electricity & related services. The company is headquartered in Zhejiang, China.

Hitachi Ltd. is engaged in the manufacture and sale of electrical equipment. It operates through the following segments: Information Technology (IT), Energy, Industry, Mobility, Life, Hitachi High Technologies, Hitachi Construction Machinery, Hitachi Metals, Hitachi Chemical and Others. The IT segment handles systems integration, consulting, control systems, cloud services, software, IT products such as storage and servers, and automated teller machines. The Energy segment pertains to power generation systems (nuclear power, renewable energy & thermal power) and power grid systems. The Industry segment covers industrial and distribution systems, water & environment systems, and industrial equipment. The Mobility segment includes building systems like elevators & escalators, and railway systems. The Life segment manages medical equipment; life & ecosystems such as refrigerator, washing machine, room & commercial air conditioner; automotive systems including powertrain system, chassis systems and advanced driving support systems. The Hitachi High Technologies segment covers medical & life science products, analytical equipment, semiconductor manufacturing equipment, manufacturing & inspection equipment, and advanced industrial materials. The Hitachi Construction Machinery segment handles hydraulic excavators, wheel loaders, mining machines, maintenance services, civil engineering solutions, and mine operation management systems. The Hitachi Metals segment manages special steel products, base material products, magnetic materials, power electronics, and wire materials. The Hitachi Chemical segment covers functional materials (electronic materials, wiring board materials & electronic components), advanced components and systems (mobility materials, power storage devices & life science related products). The Others segment provides optical disc drives and real estate management services. The company was founded by Namihei Odaira in 1910 and is headquartered in Tokyo, Japan.

Electricite De France Service National is a French private company located in Nanterre that provides electricity production services.

Aqua, Inc. manufactures toys and dolls. Its designs and produces plush toys, stuffed toys, key chains, stress dolls, hand puppets, animal hats, animal pillows, pens, phone accessories, coasters, children’s meal sets, children’s bags, ribbon, umbrella, and other gift items. The firm also markets stationery, office supplies, laces, coloring books, stickers, cups, tumblers, mugs, paper weight, and lunch boxes. Its business activities also include wholesale and consulting, planning and design, and shop management. The company was founded on October 15, 2007 and is headquartered in Yokohama, Japan.

Part of Haier Smart Home Co., Ltd., Qingdao Haier Washing Machine Co., Ltd. is a Chinese company located in Qingdao that manufactures washing machine.

Japan Engineering Co., Ltd., a subsidiary of Advantest Corp., is a company headquartered in Kawasaki, Japan. The firm manufactures testing equipment for semiconductors. Advantest Corp. acquired Japan Engineering Co., Ltd. on December 16, 2004.

Nishihara Engineering Co., Ltd., part of Kinden Corp., is a Japanese company located in Tokyo. The firm engages in water facilities construction and management.

Toyo Valve Co., Ltd. is a private company headquartered in Tokyo, Japan, that manufactures and distributes industrial valves and system equipments.

Nikken Sekkei (日建設計) is the most comprehensive architectural, planning and engineering Firm from Japan, with headquarters in Chiyoda, Tokyo. The practice is defined under the Company Act of Japan as 株式会社 - Kabushiki-gaisha. The term can be translated as "stock company", "joint-stock company" or "stock corporation". Today (2019), Nikken Sekkei ranks second largest architectural practice in the world.

ABLE provides renewable energy, robot development, plant construction, and maintenance services. They also provide consulting services for customer installation, business feasibility studies, design and engineering, application procedures, and procurement of equipment.