Okabe Co., Ltd. engages in the manufacture and sale of construction and civil engineering materials. It operates through the following segments: Construction Products, Automotive Products and Others. The Construction Products segment manufactures and sells temporary construction products, such as clamps, inserts for scaffolding, scaffolding, temporary pass, and safety products. It also offers concrete formwork products, including basic items, items for H-beam, items for sheet pile method, supports, water stop and disposal products, insulation items, inserts, rooftop protection, other formwork items, and chamfers. The Automotive Products segment provides products for rebar work, such as joints, pile head, and spacers, as well as products for foundations and beams; and civil engineering products. The Others segment covers the production and sale of marine material products and the production and sale of fishing weights in the United States. The company was founded by Mitsunosuke Okabe on April 14, 1917 and is headquartered in Tokyo, Japan.

ASIA PILE HOLDINGS Corp. engages in the manufacture and sale of concrete piles for foundation works. It operates through the Domestic and Overseas segments. The Domestic segment handles the Smart-MAGNUM construction method. The Overseas segment manages the improvement of construction technology in Vietnam and Myanmar. The company was founded on April 1, 2005 and is headquartered in Tokyo, Japan.

SENQCIA Corp. engages in the manufacture and sale of building materials, equipment, chains and related construction works. The company supplies made-to-order products to the interior decorating, structures and materials handling sectors. It manufactures floor systems for computer rooms, offices, clean rooms and other environments. The company manufactures structural systems, such as steel frames for the construction industry and also makes machinery chains for the material handling systems sector. The company was founded on April 1, 1972 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.

Braun GmbH & Co. KG is a private company headquartered in Kirn, Germany. The firm manufactures and retails leather goods. It was founded in 1887 by Johann Braun. Christiane Brunk has been the CEO since 2005.

Bouygues is a diversified services group that operates in construction, energies and services, media, and telecoms. Bouygues offers construction services, develops real estate, offers cellular communications services, produces television programming and movies, and manages utilities. It offers building, civil engineering, and oil and gas contracting services, develops residential, commercial, and office projects, produces and distributes water and electricity, and collects waste.

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.

Sumitomo Metal Industries, Ltd. engages in the steel business. It operates through the Steel and Other segments. The Steel segment includes pipes and tubes, sheets and plates, construction materials, railway parts, castings and forgings, bars, and titanium products. The Other segment comprises of real estate leasing and electronic components businesses. The company was founded in April 1897 and is headquartered in Osaka, Japan

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.

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.

Penta-Ocean Construction Co., Ltd. engages in the provision of building, civil engineering, and environmental construction services around coastal areas. It operates through the following business segments: Domestic Civil Engineering, Domestic Architectural Construction, Overseas, Domestic Real Estate Development, and Other. The Domestic Civil Engineering segment offers civil engineering services across Japan. The Domestic Architectural Construction segment deals with local construction. The Overseas segment involves with civil engineering and construction work outside Japan. The Domestic Real Estate Development segment deals with real estate selling and leasing. The Other segment includes shipbuilding businesses, office equipment leasing, insurance agency business, and environment-related consulting business. The company was founded by Jinjiro Mizuno in April 1896 and is headquartered in Tokyo, Japan.

Aoki Construction Co., Ltd., established on 1995-03-28, The scope of business includes contracting the shield section tunnel project of Guangzhou Metro.*

The Zenitaka Corp. engages in the planning, design and execution of domestic and overseas construction. It provides general contracting, real estate leasing, engineering works, urban, suburban and marine development services. It operates through the Construction and Real Estate business segments. The Construction segment handles the civil engineering, construction and other general construction works. The Real Estate segment covers the real estate sales, rental, brokerage and management. The company was founded by Zenitaka Zenzo on February 1, 1887 and is headquartered in Osaka, Japan.

Oiles Corp. engages in the manufacture and sale of bearings, precision machinery, and telecommunications equipment. It operates through the following business segments: Bearing, Structural Devices, Architectural Devices, and Others. The Bearing segment manufactures and sells oilless bearings. The Structural Devices segment produces and supplies earthquake isolation and damping devices, bridge bearings, suspension bridge bearings, and vibration control devices. The Architectural Devices segment develops window operators, environmental equipment, and devices for general housing, buildings, factories, and warehouses. The Others segment handles conduction equipment business. The company was founded by Sozo Kawasaki in April 1939 and is headquartered in Fujisawa, Japan.

Sumitomo Forestry Co., Ltd. engages in the forestry business. It operates through the following segments: Timber and Building Materials Business, Housing and Construction Business, Overseas Housing and Real Estate Business, and Others. The Timber and Building Materials Business segment purchases, manufactures, processes, and sells timber and building materials. The Housing and Construction Business segment offers custom-built detached housing, interior products, real estate leasing and brokerage, urban greening, landscaping, and maintenance services. The Overseas Housing and Real Estate Business segment develops condominiums, housing complexes, and commercial complex facilities overseas. The Others segment includes biomass power generation, overseas afforestation, insurance agency, agricultural and horticultural material manufacturing and sales, and civil engineering contracts. The company was founded in 1691 and is headquartered in Tokyo, Japan.

YKK AP, Inc. designs, manufactures, and sells construction material and specific components for buildings and homes. It offers residential and commercial architectural services, which include windows, entrance, wooden floor boards, fences & gates, carports, and also replacement windows & doors. The company was founded on July 22, 1957 and is headquartered in Tokyo, Japan

P.S. Mitsubishi Construction Co., Ltd. engages in the business of civil engineering and building construction services. Its operations are carried out through the following segments: Civil Engineering Works, Architecture and Others. The Civil Engineering Works segment handles effective way to build large scale bridges, composite bridges, composite truss bridges, long-span arch bridges, marine structure, PC confined pier and H-Shaped PC piles. The Architecture segment provides PC(Pressed Concrete) technologies expand building construction methods and also manages consigned building construction services. The Others segment includes technology development, factory services, maintenance services, real estate brokerage and non-life insurance business. The company was founded on March 1, 1952 and is headquartered in Tokyo, Japan.