Vale SA engages in the production and exportation of iron ore, pellets, manganese, and iron alloys. It operates through the following segments: Ferrous Minerals, Base Metals, and Coal. The Ferrous Minerals segment includes the production and extraction of iron ore, iron ore pellets, manganese, other ferrous products, and logistic services. The Base Metals segment involves the production and extraction of nickel and its by-products. The Coal segment consists of the production and extraction of metallurgical and thermal coal and its logistic services. The company was founded on June 1, 1942 and is headquartered in Rio de Janeiro, Brazil.

Dow manufactures and sells chemicals, plastic materials, and agricultural services. They deliver products and services to customers in electronics, water, energy, coatings, and agriculture. They specialize in materials science to deliver solutions for customers in packaging, infrastructure, and consumer care.

thyssenkrupp Industrial Solutions AG, a subsidiary of thyssenkrupp AG, is a company headquartered in Essen, Germany, that develops planning and constructing machines and plants for cement and mineral industries. It was founded in 2014. Marcel Fasswald is the current CEO, occupying that position since 2018.\nThe company says this about itself: The thyssenkrupp Industrial Solutions business area is a leading partner for the engineering, construction and service of all industrial plants and systems. In collaboration with our customers we develop top-quality solutions and deliver efficiency, reliability and sustainability over the entire life cycle. Our global network enables us to supply turnkey plants worldwide that set benchmarks in terms of value added and resource-friendly technologies.

Thyssenkrupp Robins, Inc., a subsidiary of thyssenkrupp AG, is a company headquartered in the United States. The firm manufactures and distributes conveyors, stackers, reclaimers, port handling systems and related machinery.

Kemira Oyj engages in the provision of water quality and quantity management solutions, which improves energy, water, and raw material efficiency. It operates through the Pulp and Paper, and Industry and Water segments. The Pulp and Paper segment develops and sells products to fulfill customer needs, ensuring the portfolio of products and services for paper wet-end, focusing on packaging and board, as well as tissue products. The Industry and Water segment supports municipalities and water intensive industries in the efficient and sustainable utilization of resources. The company was founded in 1920 and is headquartered in Helsinki, Finland.

Caterpillar Global Mining Europe GmbH, part of Caterpillar, Inc., is a company headquartered in Lunen, Germany, that manufactures and distributes mining equipment. Martin Wetter, Thomas Reuß and Johan Masse are the current co-CEOs of the firm.

Dorr-Oliver, Inc. is an American company located in Pittsburgh, PA, focused on manufacturing industries. The firm was acquired by KraussMaffei Technologies GmbH on March 01, 1995 for $53.47 million.\nThe company says this about itself: Ovivo is a global provider of equipment, technology and systems producing among the purest water and treating some of the most challenging wastewater in the industry. Ovivo is a powerful global brand with renowned trademarks, possessing more than 150 years of expertise and references in water treatment, supported by its proprietary products, advanced technologies and extensive system integration knowhow. Ovivo delivers conventional to highly technological water treatment solutions for the industrial and municipal markets, and leverages its large installed base of equipment around the world to offer parts and services to its customers. Ovivo is dedicated to innovation in an industry that is in constant evolution and offers water treatment solutions that are cost-effective, energy-efficient and environmentally sustainable.

Alrosa engaged in the exploration, mining, manufacture and sales of diamonds. Its operations include five Integrated Mining and Processing Complexes: Mirny, Udachny, Aikhal, Anabar and Nyurba located in the Sakha Republic; sorting divisions and diamond cutting and polishing division. The Company is a member of variable diamonds associations.

RAG AG, a subsidiary of RAG-Stiftung, is a company headquartered in Essen, Germany. The firm specializes in coal mining. Peter Schrimpf is currently the CEO of the company.\nThe company says this about itself: is one of the world's leading hard coal producers and Germany's number one coal producer. Based in Germany, the company consists of an international group of more than 450 companies active in mining, coal trading, engineering, power generation, and chemicals, and has over 220 subsidiaries around the world. RAG's domestic coal and coke mining activities are managed by Deutsche Steinkohle AG.

Part of Arkema SA, Arkema France SA is a company headquartered in Colombes, France, that manufactures and supplies vinyl products, industrial chemicals and performance products. Thierry le Hénaff is the CEO, in this role since 2004.

Jiangxi Hengchang Mining Machinery Equipment Manufacturing Co., Ltd., established on 2005-12-09, Business scope includes mining machinery and equipment,mold,Hardware Manufacturing,Paper products processing and sales,Foreign trade operation(Except for the import and export business of goods subject to state trade management).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

LANXESS is a biotechnology firm that distributes chemical products to its clients. The company’s product portfolio consists of REACH, advanced intermediaries, performance chemicals, performance materials, and ARLANXEO. REACH provides chemical substance handling solutions by offering registration, evaluation, authorization, and restriction of chemicals. LANXESS was founded in 2004 and is based in Cologne.

Carl Zeiss X-ray Microscopy, Inc., a subsidiary of Carl-Zeiss-Stiftung, is an American company located in Pleasanton, CA, that manufactures optical lenses.

S.P.C.M. SA manufactures and sells water soluble polymers and chemicals. The company was founded on March 7, 1978 and is headquartered in Andrezieux-Boutheon, France.

DBT GmbH manufactures and supplies underground coal mining systems. It offers a range of equipment from hydraulic shield supports, electro hydraulic controls, conveyors, ploughs and shearers to crushers. The company was founded in 1995 and is headquartered in Lunen, Germany.

Anhui Jinrisheng Mining Co., Ltd., established on 2008-06-09, Business scope includes licensed projects:Mineral resources mining in non-coal mines(Removal of rare earth,radioactive minerals,tungsten)(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:Mineral dressing;Metal Ore Sales;Engineering Management Services;Metal Material Sales;Sales of building materials;Machinery sales;Metal Products Sales;Office Equipment Sales;Mechanical Parts,Parts sales;tire sales;Bearing sales;Sales of non-metallic minerals and products;Rubber Products Sales;Anti-corrosion material sales;Building Blocks Sales;Mining Machinery Sales;General merchandise sales;Sales of plastic products;Agricultural Machinery Sales;Hardware retail;Lubricant sales;Sales of mechanical and electrical equipment;Auto Parts Retail;Manufacturing of mica products;Sales of mica products(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)