- Business
- Jastrzebska Spólka Weglowa S.A. (JSW) is Poland's largest producer of high-quality hard coking coal and a leading producer of coke for steel smelting in the European Union; the company engages in the extraction and sale of coking coal and steam coal, production and sale of coke and coal derivatives including hydrocarbons, natural gas mining, and generation, transmission, and distribution of electricity. JSW operates five key mining plants—Borynia-Zofiówka-Jastrzębie, Budryk, Knurów-Szczygłowice, Jas-Mos, and Pniówek—along with supporting facilities for maintenance, technical research, chemical analyses, railway infrastructure, security services, water management, and post-mining waste disposal; it also provides machinery manufacturing for mining and construction, engineering services, and drone operations. The company's products serve steel mills and industrial customers domestically in Poland and internationally in Germany, Austria, the Czech Republic, Slovakia, Romania, Hungary, Italy, and India. Founded in 1993 and headquartered in Jastrzębie-Zdrój, Poland, JSW lists its shares on the Warsaw Stock Exchange since 2011 and remains a subsidiary of the Polish State Treasury. In recent developments, JSW adopted a merger plan in October 2025 with its subsidiary JSW Nowe Projekty S.A. through a simplified acquisition process, transferring all assets without increasing share capital, as part of ongoing business restructuring efforts following a record net loss of 7.3 billion zloty in 2024.