AT&S also known as AT & S Austria Technologie & Systemtechnik Aktiengesellschaft designs and manufactures high-end printed circuit boards and substrates for semiconductors. The company is listed on the Vienna Stock Exchange. The company has two production sites in Leoben and Fehring in Austria, one in Nanjangud, India, two in Shanghai and Chongqing in China, and one in Ansan, South Korea. Wikipedia