Sienar Advanced Systems was a company that manufactured the SIE-TIE twin ion engine system prior to the Clone Wars. It was run by Raith Sienar, and was a subsidiary of Santhe/Sienar Technologies. This article is a stub about a company, corporation or organization. You can help Wookieepedia by expanding it. SourcesEdit Successful Engine Tests Cause Sienar Stock Surge—HoloNet News Vol. 531 #51 (content now obsolete; backup link on Archive.org) Retrieved from "https://starwars.fandom.com/wiki/Sienar_Advanced_Systems?oldid=6992834" Categories: Legends articlesCompany stubsManufacturing companies Community content is available under CC-BY-SA unless otherwise noted.