FMI provides superior solutions in the design and manufacture of frequency control devices including Packaged Quartz Crystals, Crystal Clock Oscillators (XO), Voltage Controlled Crystal Oscillator (VCXO), Temperature Compensated Crystal Oscillators (TCXO), Voltage Controlled Temperature Compensated Crystal Oscillators (VCTCXO), phase locked sources and more, High Temperature Quartz Crystals, High Temperature Oscillators, High Reliability – Extreme Temperature Crystals and Oscillators for Extreme Environmental Conditions. Our Crystal and Crystal Oscillator Products are available in standard and custom Surface Mount (SMT, SMD) and Thru-hole Packages.