Taiheiyo Cement Corp. engages in the manufacture and sale of cement. It operates through the following segments: Cement, Mineral Resources, Environmental Business, Construction Materials, and Others. The Cement segment manufactures cement and ready-mixed concrete. The Mineral Resources segment offers mined aggregates and limestone products. The Environmental Business segment deals with the waste recycling and desulfurization materials. The Construction Materials segment consists of concrete products, autoclaved lightweight aerated concrete, and chemicals. The Others segment engages in the business of real estate, engineering, data processing, finance, transportation, warehousing, and sports facilities. The company was founded on May 3, 1881 and is headquartered in Tokyo, Japan.

Sumitomo Osaka Cement Co., Ltd. engages in the management and sale of cement business. It operates through the following business segments: Cement, Mineral Resources, Cement-related Products, Optoelectronics, Advanced Materials, Battery Materials and Others. The Cement segment manufactures and sells cement and ready-mixed concrete. It also provides electric power in cement factory. The Mineral Resources segment offers limestone and other mineral products. The Cement-related Products Material segment deals with manufacture and sale of maintenance and repair materials for concrete buildings and secondary concrete products. The Optoelectronics segment involves in the manufacture and sale of optical components and measuring instruments. The Advanced Materials segment offers ceramic products, functional films, and nanoparticle materials. The Battery Materials segment deals with secondary battery positive electrode materials. The Others segment handles real estate property leasing, engineering, and software development. The company was founded on November 29, 1907 and is headquartered in Tokyo, Japan.

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

Sumitomo Mitsui Construction Co., Ltd. engages in the design, engineering and execution of civil, building and pre-stressed concrete works, and related operations. It operates through the following segments: Civil Engineering, Building Construction, and Others. The Civil Engineering segment consists mainly of governmental public works like bridge and road construction services. The Building Construction segment includes construction projects commissioned by private sector companies. The Others segment composes of elderly care facility management and insurance agency businesses. It also engages in the business of development projects, real estate trading, leasing and management services. The company was founded by Kenjiro Nishimoto in 1887 and is headquartered in Tokyo, Japan.

Mitsubishi UBE Cement Corp. provides cement marketing services. It distributes ready-mixed concrete to the construction industries. The company was founded in December, 1997 and is headquartered in Tokyo, Japan.

Denka Corp., part of Denka Co., Ltd., is an American company located in New York, NY. The firm manufactures and distributes chemical products.

Part of Taiheiyo Cement Corp., Taiheiyo Materials Corp. is a Japanese company located in Tokyo. The firm supplies construction and civil engineering materials. It was founded in 2001.

Qingdao Jiashang Creative Culture Co., Ltd., established on 2012-03-30, Business scope includes general business items:Planning of domestic cultural exchange activities,Brand planning and promotion;handcrafted gift,Furniture design,make(Must not engage in production business at this residence),Animation design and production;design,make,acting,Publish domestic advertising business;Exhibition display service,Conference Services,Ceremonial Celebration Services;Interior and exterior decoration design,construction,Landscape Engineering Design,construction,Municipal lighting,waterproof insulation,Curtain wall construction,Construction engineering labor subcontracting,Integrated wiring;wholesale,retail:building decoration materials,Wujinjiaodian,furniture,crafts,lamps;Import and export of goods and technology(law,Except for items prohibited by administrative regulations,law,Projects restricted by administrative regulations can only be operated after obtaining a license). (The above scope needs to be licensed to operate,Operate with a license).

Manufactures and distributes electric and fiber optic cables

Kosteel specializes in the production of low-carbon steel wire rod, deck plate, steel fiber, and steel bars. Kosteel Co., Ltd., headquartered in Seoul, South Korea, manufactures a diverse range of steel products such as mild steel wire rod, low carbon steel wire, common nail, annealed wire/banding wire, flat coil, and deformed wire. They operate manufacturing facilities in Pohang, Eumseung, and Gwangju in South Korea, and also have a presence in Vietnam. Kosteel Co., Ltd. was established in 1977.

Qingdao Kerun Plastic Machinery Co., Ltd., established on 2008-06-11, Business scope includes general business items:plastic robot,Manufacturing of plastic products,Sales;Import and export(law,Except for items prohibited by administrative regulations,law,Projects restricted by administrative regulations can only be operated after obtaining a license). (The above scope needs to be licensed to operate,Operate with a license).

Sobute New Materials Co., Ltd. engages in the research, development, production and sales of concrete admixture and materials used for waterproofing, reparations and transportation engineering. Its products include water-reducing admixture, durability-enhancing admixtures, cementitious materials and special concretes. The company was founded on December 15, 2004 and is headquartered in Nanjing, China.

Korea Institute of Civil Engineering and Building Technology contributes to the development of the Korean construction industry.

JUSUNG ENGINEERING Co., Ltd. engages in the manufacture and sale of semiconductor, display, solar cell, light emitting diode (LED), and organic-LED manufacturing equipment. The company was founded on April 13, 1993 and is headquartered in Gwangju-si, South Korea.

VITZROCELL Co., Ltd. engages in the manufacture and sale of lithium primary cells and batteries. Its products include bobbin and wound types of lithium primary batteries, military packs, high temperature batteries, super capacitor, ampoule and thermal batteries. The company was founded on October 4, 1987 and is headquartered in Dangjin-si, South Korea.

Tokan Kogyo Co., Ltd. manufactures and sells paper products. The firm’s products include beverage cups, food containers, medical bottles, industrial products, other packaging products and environmental friendly. The company was founded on February 18, 1943 and is headquartered in Tokyo, Japan.

Yushin Precision Industrial Co., Ltd. is a private company headquartered in the South Korea. The firm manufactures snap rings, washers, special springs and ring gear assemblies.