Kajima Corp. engages in the construction, real estate development, architectural design, and civil engineering businesses. It operates through the following segments: Civil Engineering, Building Construction, Real Estate Development and Other, Domestic Subsidiaries and Affiliates, and Overseas Subsidiaries and Affiliates. The Civil Engineering segment provides civil engineering works and construction service. The Building Construction segment offers building construction works. The Real Estate Development and Other segment covers real estate development and architectural, structural and engineering businesses. The Domestic Subsidiaries and Affiliates segment sells construction materials. It also deals in special construction and engineering services and manages leasing and rental businesses in Japan operated by domestic subsidiaries and affiliates. The Overseas Subsidiaries and Affiliates segment handles overseas construction and development projects. The company was founded by Iwakichi Kajima in 1840 and is headquartered in Tokyo, Japan.

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.

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.

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.

Takenaka Corp. provides general construction, contracting, and engineering services. It offers services across the spectrum of space creation from site location and planning to design and construction, as well as post completion services. The firm operates through the construction, development, and other segments. The company was founded in 1610 and is headquartered in Osaka, Japan.

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

Tokyu Construction Co., Ltd. engages in the construction business. It operates through the following segments: Construction, Civil Engineering, and Real Estate. The Construction segment provides construction services for housing, commercial establishments, and educational, training, and cultural facilities. The Civil Engineering segment offers civil works for roads and railways. The Real Estate segment deals with real estate sales and leasing services. The company was founded on March 12, 1946 and is headquartered in Tokyo, Japan.

Toda Corp. engages in the provision of construction services. It operates through the following business segments: Building Construction, Civil Engineering, Investment Development, Domestic Group Companies, and New Business Fields. The Building Construction segment includes research, planning, design, management, and execution of building construction work as well as architectural, engineering, and consulting services. The Civil Engineering segment engages in the research, planning, design, management, and execution of civil engineering works. The Investment Development segment deals with the sale, resale, and lease of real estate. The Domestic Group Companies segment consists of businesses carried out by domestic consolidated subsidiaries. The New Business Fields segment carries out power generation and sale, agricultural diversification, and other new businesses. The company was founded by Rihei Toda on January 5, 1881 and is headquartered in Tokyo, Japan.

Samsung C&T Corp, formerly Cheil Industries Inc., is a Korea-based company mainly engaged in the operation of meal supply and food distribution business, and fashion business. The Company operates its business through construction business segment: which involves in the building construction, civil engineering, firefighting and landscaping engineering, and provision of energy services; meal supply and food materials distribution segment, which involves in the distribution of meals and food materials; leisure segment, which operates theme parks and golf courses, and fashion business segment, which involves in the manufacture and distribution of garments, and processing and distribution of textile products.

Kumagai Gumi Co., Ltd. engages in the provision of civil engineering and construction services. It operates through the following segments: Civil Engineering, Construction, and Subsidiaries. The Civil Engineering segment includes forest conservation, flood control, railway and road construction, supervision, and other engineering services. The Construction segment deals with the research, planning, design, and construction of houses, offices, and government buildings. The Subsidiaries segment carries out the manufacture and sale of construction materials, equipment, and technology products. The company was founded by Santaro Kumagai on January 1, 1898 and is headquartered in Tokyo, Japan.

East Japan Railway Co. engages in the business of railway transportation services. It operates through the following segments: Transportation, Retails and Services, Real Estate and Hotels, and Others. The Transportation segment handles the transportation business centered on railway business. It also manages travel, cleaning maintenance, station operation, railway car manufacturing, and railway car maintenance businesses. The Retails and Services segment offers lifestyle services in retail, restaurant, wholesale, freight, and advertising businesses. The Real Estate and Hotels segment operates shopping centers and manages lending and hotel businesses. The Others segment includes information technology (IT) and Suica businesses. The company was founded on April 1, 1987 and is headquartered in Tokyo, Japan.

China State Construction Engineering Corp. Ltd. engages in the housing construction engineering, real estate development and investment, international engineering contracting, infrastructure construction and investment, and design survey business. Its Housing Construction business involves in the urban construction and projects such as public buildings, airports, offices, hotels, and embassies. The Real Estate Development & Investment business include investment in real estate development, and financial investment in construction. Its Infrastructure Construction & Investment business covers the construction of, and investment in urban rail transit, high speed rail, large bridges, highways, ports and waterways, airports, and other infrastructure projects. The Investigation & Design business provides architectural design, urban planning, engineering survey, and municipal public works design services. Its New business include building science and technology, environmental protection, e-commerce, and financial businesses. The company was founded on June 11, 1982 and is headquartered in Beijing, China.

Daiwa House Industry Co., Ltd. engages in the provision of construction and real estate services. It operates through the following segments: Single-family Houses, Rental Housing, Condominiums, Existing Home Business, Commercial Facilities, Business and Corporate Facilities, and Other Businesses. The Single-family Houses segment sells single-family residences including house and lot packages. The Rental Housing segment comprises of rental housing development, construction, management, and operation as well as real estate agency services. The Condominiums segment develops, sells, and manages condominiums. The Existing Home Business segment offers renovation and real estate agency services. The Commercial Facilities segment develops, constructs, and manages commercial facilities. The Business and Corporate Facilities segment engages in the development and construction of logistics, manufacturing, medical, and nursing-care facilities as well as the operation of temporary facilities. The Other Businesses segment includes construction support, health and leisure, city hotels, and overseas businesses. The company was founded by Nobuo Ishibashi on March 4, 1947 and is headquartered in Osaka, Japan.

Peikko Group Corporation is a Finnish supplier of slim floor structures and connection technology for precast and cast-in-situ applications.

Guiyang Aluminium Magnesium Design & Research Inst. Co. Ltd. is a private company headquartered in Guiyang, China, that provides engineering services.

NIPPON STEEL CORP. engages in the manufacture and trade of steel products. It operates through the following segments: Steelmaking and Steel Fabrication; Engineering and Construction; Chemicals; New Materials; and System Solutions. The Steelmaking and Steel Fabrication segment produces and distributes steel sheets, plates, bars and wire rods, pipes and tubes, and machinery parts. The Engineering and Construction segment develops steel plants, heat management facilities, and industrial machinery and equipment. The Chemicals segment deals with chemical products, carbon materials, and epoxy resin products. The New Materials segment manufactures and trades semiconductors, stainless steel foils, silicon carbide wafers, carbon fibers, and metal substrates for catalytic converters. The System Solutions segment includes information technology infrastructure services. The company was founded in 1886 and is headquartered in Tokyo, Japan.

Sato Kogyo Co., Ltd. is a private company headquartered in Tokyo, Japan, that operates in several countries. The firm provides construction and construction consulting service. It was founded in 1931. Hideyuki Yamada is the current CEO of the company.

Okumura Corp. engages in the construction and real estate businesses. It operates through the following business segments: Civil Engineering, Architectural Construction, Investment Development, and Others. The Civil Engineering and Architectural Construction segments include public works, architecture, and other general construction services. The Investment Development segment handles renewable energy business and real estate sales and leasing. The Others segment covers the manufacture and sale of construction materials and equipment. The company was founded by Tahei Okumura on February 22, 1907 and is headquartered in Osaka, Japan.

Chongqing Zhongke Daye Construction Technology Co., Ltd., established on 2016-07-26, Business scope includes licensed projects:engage in construction related business;Interior and exterior decoration works,Steel structure engineering,Design and Construction of Road and Bridge Engineering(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:Technology development in the field of construction technology specialization,technology transfer,Technical Consulting and Technical Services;Research and development of new building materials,Production,Sales(Excluding construction waterproofing membrane production);Research and development of energy-saving equipment,Production and sales;Landscaping engineering design and construction;water,heating equipment,Installation of weak current equipment;Landscape Design;Green space maintenance,Sales of building materials(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)