Wikipedia
TESP (company)
TESP (English: Society for the Exploitation of Potassium Salt, Polish: Towarzystwo Eksploatacji Soli Potasowych) was a private mining enterprise, which existed in the Second Polish Republic, with head office in Lwow. It operated potassium salt mines in Kalusz and Stebnik, and sponsored a soccer team TESP Kalusz. Before World War I, the potassium salt mines in Kalusz and Stebnik had been operated by the government of Austria-Hungary.