HEC, Inc Hooray USA

Micro Crystal AG, a company of the Swatch Group Inc. Switzerland, was founded in 1978 in Grenchen, Switzerland, as a producer of Tuning Fork Crystals for watches. Today, Micro Crystal AG is a leading manufacturer of Miniature Quartz Crystals (30 kHz to 250 MHz), Real-Time Clock (RTC) Modules,... Read More

Greenray Industries is a leading manufacturer of precision crystal oscillators including OCXO, TCXO, and VCXO products designed for communications, instrumentation and military applications. Celebrating our 55th year of operation, our high performance frequency control devices are designed for... Read More

Manufacturer of Quartz Crystal Frequency Control Products,since 1973, including Crystals, Oscillators, Low EMI Spread Spectrum Clocks, TCXO's, VCTCXO's, VCXO's, OCXO's, Monolithic Crystal Filters & ultra-lower Inductive Proximity Sensors. Read More