One of important employers in the city during the communist era was the Czechoslovak electronics maker Tesla Piešťany. It closed down in 1991 and in 1998 its factories were acquired by ON Semiconductor, a former subsidiary of Motorola However, the company closed down its Pieštany manufacturing unit in 2010 and moved production to Belgium [https://web.archive.org/web/20090612104418/http://english.etrend.sk/news-summaries/when-the-best-are-packing-suitcases/169334.htmlkeeping a small customer support centre in the town. Delipro, s.r.o., manufacturer of quartz crystals founded in 1993, is another company building on the legacy of electronics manufacturing in the region [https://web.archive.org/web/20090604143941/http://www.delipro.sk/index.php?id=history.