Wikipedia
Rakon
Rakon Limited is a technology company founded in 1967 that designs and manufactures frequency control products, primarily quartz crystals and temperature-compensated crystal oscillators ( TCXO), oven controlled crystal oscillators ( OCXO) and voltage controlled crystal oscillators ( VCXO). Its head office is in Auckland, New Zealand with wholly owned subsidiaries in the United Kingdom and France with joint venture operations in India and China. The company specialises in supplying frequency-control products to the GPS industry.