ALPS(http://www.alps.co.jp/index_e.htm)
CITIZEN(http://www.citizencrystal.com/)
ELMOS(http://www.mos.co.za/)
INFINEON(http://www.infineon.com/)
MURATA (http://www.murata.com/)
NEC
.
TAKAMISAWA(FUJITSU) (http://www.fcl.fujitsu.com/en/services/relays/)
PRINCETON(http://www.princeton.com.tw/webSite/temp/index.asp)
PARA LIGHT(http://www.para.com.tw/)
