Tarnów is an important center of economy and industry. The city has chemical plants including Zakłady Azotowe w Tarnowie-Mościcach S.A., which is part of Poland's biggest company operating within the chemical sector Grupa Azoty, Becker Farby Przemysłowe Sp. z o.o., Summit Packaging Polska Sp. z o.o.; as well as food plants (Fritar), building materials (Leier Polska S.A., Bruk-Bet), textiles (Spółdzielnia "Tarnowska Odzież, Tarnospin, Tarkonfex"), and several warehouses, as well as a distribution center of the Lidl supermarket chain. Tarnów is an important center of natural gas industry, with headquarters of three different gas corporations.