JSW SA
Founded in 1993, Jastrzębska Spółka Węglowa extracts, produces, and sells coal, coke, and hydrocarbons. It consists of four mines producing coking coal and steam coal. The company provides research and inspection services; and technical research services, chemical and physiochemical analyses of minerals, solid liquid, and gaseous materials and products. It is also involved in the provision of access to railway lines; maintenance of railway infrastructure buildings and equipment; construction and repairs of railway systems and railway facilities; building security services; and water and sewage-related services, discharge of salt water, supply of industrial water, reclamation activity and production of salt. In addition, the company provides computer hardware consulting and data processing services; insurance intermediation services; tourist and hotel services; rail siding; transportation and general construction services; and mechanic, electric repairs, and maintenance of automation technology services. Further, it manufactures spare parts, assemblies, devices, steel structures, technical equipment, tools, and instruments. The company is headquartered in Jastrzebie-Zdrój, Poland.