
Jastrzębska Spółka Węglowa
S.A.Jastrzębska Spółka Węglowa (JSW), based in Jastrzębie-Zdrój, is the parent company of a mining and coke-making group that extracts coking coal and produces coke in Upper Silesia. The group’s main products include high-quality type 35 coking coal, and it operates mines including Pniówek and Knurów-Szczygłowice.
























