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.

POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

Krosaki Harima Corp. engages in the business of refractories and ceramics. It operates through the following segments: Refractory, Furnace, Ceramics, Real Estate, and Others. The Refractory segment manufactures and sells general refractory products for kiln industry. The Furnace segment designs, constructs and repairs furnaces. The Ceramics segment manufactures and sells fine ceramic products and landscape materials. The Real Estate segment leases stores and warehouses. The Others segment manufactures and sells lime for steel plant. The company was founded on October 14, 1918 and is headquartered in Kitakyushu, Japan.

Shinagawa Refractories Co. Ltd. engages in the manufacture and sale of refractories. It operates through the following segments: Refractory & Related Products, Engineering, and Real Estate & Leisure. The Refractory & Related Products segment provides shaped refractories, monolithic refractories, mold powders, chemical products, insulating refractory bricks, ceramic fibers, and fine ceramics. The Engineering segment handles the design and construction of blast furnaces, rotary kilns, and incinerators. The Real Estate & Leisure segment includes the real estate leasing, and golf course and public bath management services. It is also involved in the furnace construction and real estate leasing businesses. The company was founded by Katsuzo Nishimura in 1875 and is headquartered in Tokyo, Japan.

RHI Magnesita Deutschland AG engages in the manufacture of refractory materials. Its products are used in the iron and steel, cement and lime, glass and non-ferrous metals industries. The company was founded in 1834 and is headquartered in Wiesbaden, Germany.

Jiangsu Sujia Group New Materials Co., Ltd., established on 2001-12-25, The scope of business includes the production of refractory materials,Install our products,engaged in gold products,Wholesale of elevator equipment and accessories.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:Various construction activities;Installation, modification and repair of special equipment(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results)

AGC, Inc. engages in the manufacture and sale of glass, electronic materials, and chemicals. It operates through the following segments: Glass, Electronics, Chemicals, Ceramics and Other. The Glass segment provides security glass, fire-resistant glass, heat insulating glass, and automotive glass. The Electronics segment offers glass for display panels, optical thin film products, opto-electronic materials, synthetic quartz products, semiconductor components, and lighting products. The Chemicals segment deals with chlor-alkali and urethane products, water and oil repellents, solvents, gases, and specialty chemicals. The Ceramics and Other segment includes ceramic products, logistics, and financial services. The company was founded by Toshiya Iwasaki on September 8, 1907 and is headquartered in Tokyo, Japan.

Anhui Wuhu Conch Construction & Installation Co., Ltd. (doing business as Wuhu Conch Construction & Installation Project Co., Ltd.), a subsidiary of Anhui Conch Cement Co., Ltd., is a Chinese company located in Wuhu that provides building and construction services. The firm was acquired by Anhui Conch Cement Co., Ltd. from Anhui Conch Holdings Co., Ltd. on April 28, 2005 for $0.69 million.

JFE Steel Corp. engages in the manufacture and sale of steel products. Its products include steel plates for ships and bridges, steel sheet for automobiles, home electrical appliances, and wall and roof construction, special steel, structural steel, stainless steel, steel rods for construction, and steel-pipe. The company was founded on April 1, 2003and is headquartered in Tokyo, Japan

Acre Coking & Refractory Engineering Consulting (Dalian) is a private company headquartered in Dalian, China, that provides architectural services.

Research Institute of Industrial Science & Technology, part of POSCO Holdings Inc., is a company headquartered in Pohang, the South Korea. The firm engages in commercial physical and biological research and development.

Kawasaki Steel Corporation (Kawasaki Seitetsu) was a Japanese steel manufacturing company.

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

Nippon Electric Glass Co., Ltd. engages in the manufacture and sale of specialty glass products and glassmaking machinery. It offers glass for flat panel displays, optical devices, electronic devices, solar cells, building materials, lighting, pharmaceutical, and medical applications; glass fiber; heat-resistant glasses; and thin film coatings. The company was founded on October 31, 1944 and is headquartered in Otsu, Japan.

Refratechnik Holding GmbH is a multi-national private company headquartered in Ismaning, Germany, involved in offices of holding companies. Silke Denecke, Maleachi B��hringer and Rainer Gaebel are the current co-CEOs of the firm.\nThe company says this about itself: The Holding is the strategic center of the Refratechnik Group. It controls the Group's individual companies in 23 locations and with some 1500 employees, and coordinates the different business activities in strategic issues. Moreover, it plans and monitors the company-wide guidelines, acts as management consultant, and also trains and promotes tomorrow's managers. The Holding's structure ensures a clear overall view and control of the Group, particularly in times of dynamic global growth. The Holding is featured by a flat hierarchy and explicit areas of responsibility, plus clear focussing by the individual companies on their specific customers and industrial sectors.

Sinosteel Luonai Materials Technology Co., Ltd. engages in the research and development, manufacture, and sale of refractory materials. Its products include siliceous, magnesia, high alumina, composite, high purity oxide, and functional refractory materials. It also offers refractory materials for steelmaking and ladle, unshaped refractory materials for pellets belt roasters, unshaped materials for pulverized coal gasifiers, and high temperature materials for national defense industries. The company was founded in 1958 and is headquartered in Luoyang, China.

TYK Corp. engages in the development, manufacture and sale of refractory materials, fine ceramics, porcelain products, and construction materials. It operates through the following geographical segments: Japan, North America, Europe, Asia, and Others. The geographical segments offer refractory bricks for steel, unshaped refractories, graphite crucible for non-ferrous metals, and new ceramics. The Others segment provides environment-related products and ceramic machinery and equipment. It also includes construction, repair, transportation, and sport facility operation businesses. The company was founded on February 5, 1947 and is headquartered in Tokyo, Japan.

Zhengzhou Rongsheng Kiln Refractory Co., Ltd., established on 2011-03-23, Business scope includes stereotypes,Unshaped refractories,Castable,Production and sales of wear-resistant ceramic products;Graphite electrode processing,Sales;Chemical Products(Hazardous Chemicals,Excluding flammable and explosive products)Sales;Sales of kiln engineering equipment and metal products;Goods and technology import and export business;Kiln engineering professional contracting;Anti-corrosion and thermal insulation engineering construction.

Harbisonwalker International Ltd., a subsidiary of HarbisonWalker International Holdings, Inc., is a British company located in Bromborough that manufactures refractory products.

Daido Steel Co., Ltd. engages in the manufacture and sale of steel products. It operates through the following segments: Specialty Steel, High Performance Materials & Magnetic Materials, Parts for Automobile & Industrial Equipment, Engineering, and Trading & Service. The Specialty Steel segment deals with the manufacture of specialty steel for automotive and industrial machinery parts. The High Performance Materials & Magnetic Materials segment offers stainless steel, high alloy, magnet materials, titanium products, and powder metals. The Parts for Automobile & Industrial Equipment segment provides die-forged parts, forging products, and engine valves. The Engineering segment covers the manufacturing and maintenance of steelmaking and environmental equipment, industrial furnaces, and its related equipment. The Trading & Service segment includes real estate-related services and welfare programs. The company was founded by Momosuke Fukuzawa on August 19, 1916 and is headquartered in Nagoya, Japan.