Baker Refractories, a subsidiary of RHI Magnesita NV, is a company headquartered in Nottinghamshire, UK, that operates clay refractories.

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.

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.

Vesuvius USA Corp. manufacture and deliver the refractory products. It design and provides its services to high-technology industrial applications. The company is headquartered in Pittsburgh, PA.

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

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.

IKA Innovative Kunststoffaufbereitung GmbH & Co. KG develops and supplies stabilizers and additive compounds for the polyvinyl chloride industry. It specialize in the production of stabilizers for window profiles, foamed profiles, specialized technical profiles and PVC-based sheets. The company was founded in 1994 and is based in Bitterfeld-Wolfen, Germany.

Yoshizawa Lime Industry offers research, development, manufacturing, and distribution services for various limestone and dolomite products.

Steel Authority of India Limited (SAIL) is an Indian state-owned steel making company based in New Delhi, India. It is a public sector undertaking, owned and operated by the Government of India with an annual turnover of INR 44,452 Crore (US$6.83 Billion) for fiscal year 2016-17. Incorporated on 24 January 1973, SAIL has 71,297 employees (as of 01-Aug-2019). With an annual production of 14.38 million metric tons, SAIL is the 20th largest steel producer in the world and the 3rd largest in India. The Hot Metal production capacity of the company will further increase and is expected to reach a level of 50 million tonnes per annum by 2025. Sri Anil Kumar Chaudhary is the current Chairman of SAIL.

Magnesita Refractories Co. manufactures and supplies basic refractors for the steel and cement industries. The firm's products are based on doloma, magnesia and alumina raw materials. The company was founded on 15th January 1976 and is headquartered in York, PA.

Yuanqu County Wulong Magnesium Industry Co., Ltd., established on 2010-07-07, Business scope includes licensed projects:mineral resources(non-coal mine)mining;Power generation business,Transmission business,for(match)Electric business;Power supply business.(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:Manufacturing of non-ferrous metal alloys;Common non-ferrous metal smelting;coking;Import and export;Technology Import and Export.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Hickman, Williams & Company is an employee-owned and serves global metals producers and other industries with a wide range of materials. This includes metallurgical coke, ferroalloys, specialty metals and alloys, briquette alloys, carbon additives, coal, pig iron, abrasives, fused silica, and fluorspar. It also markets related equipment and supplies such as electrodes, refractories, and filters. It envisions to be the premier supplier of high-value products and services to the metals and other industries. Hickman, Williams & Company was founded in 1890 and is headquartered in Cincinnati, Ohio.

Soci��t�� Europ��enne des Produits Refractaires manufactures refractory products. The company is headquartered in Courbevoie, France.

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.

Siemens AG is a technology company, which engages in the areas of automation and digitalization in the process and manufacturing industries, infrastructure for buildings and energy systems, mobility solutions for rail transport, and medical technology and digital healthcare services. It operates through the following segments: Digital Industries, Smart Infrastructure, Mobility, Siemens Healthineers, and Siemens Financial Services. The Digital Industries segment offers a product portfolio and system solutions for automation used in discrete and process industries. The Smart Infrastructure segment includes products, systems, solutions, services and software to support a transition from fossil to renewable energy sources. The Mobility segment combines all Siemens businesses in the area of passenger and freight transportation. The Siemens Healthineers segment develops, manufactures, and sells diagnostic and therapeutic products, and services to healthcare providers. The Siemens Financial Services segment focuses on financing solutions for Siemens’ customers as well as other companies in the form of debt and equity investments. The company was founded by Johann Georg Halske and Werner von Siemens on October 12, 1847 and is headquartered in Munich, Germany.

Beijing China Coal Mining Engineering Co., Ltd., established on 1984-12-22, The scope of business includes the ability to undertake various types of foundation and foundation engineering construction;Can be contracted:freeze,Grouting,drilling,Raise well and other special drilling construction;Can bear all kinds of,Small mine engineering ground building installation engineering and supporting construction in mining areas;Affordable section20Urban tunnels and sections below square meters80Construction of mountain tunnels less than square meters;Can undertake all kinds of single project area in8000Below square meters,high80Construction of building curtain wall works below 10 meters;Able to bear highway roadbed,Construction of highways and independent bridges below the first-class standard;Able to bear unit project cost1500Buildings below 10,000 yuan(including car,ferry,airplane)indoor,Design and construction of exterior decoration works;Can undertake the design and construction of building reinforcement and renovation;technology development,technology transfer,technical consulting,Technical Services;Manufacture of bolt anchoring agent,JSS30Type instrumentation,DTQSpecial equipment for mine construction,colloidal electrolyte;sale of building materials,Instrumentation,Construction machinery and accessories.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)