ATS Aparatura Techniczna Slask in Tworog near Kattowize (Poland) exists since the year 2000 and is a wholly owned subsidiary of ATL with a production area of 3000 m².

ATS employs 60 employees and manufactures parts for general mechanical engineering, modules for compressors, and road construction machines. ATS is a certified manufacturer of pressure vessels in accordance with AD 2000.