Welcome to Greenray Industries.

Greenray Industries is a leading manufacturer of precision crystal oscillators including OCXO, TCXO, and VCXO products designed for communications, instrumentation and military applications. Our high performance frequency control devices are designed for demanding applications from 1 Hz to 1 GHz. All design, testing and assembly is done at our facility in Mechanicsburg, Pennsylvania. More...

Our Product Focus

Greenray offers frequency control solutions for many applications including military, telecommunications, wireless, SATCOM, WiMAX, instrumentation and global navigation systems. More...

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World Class Test Capabilities

Greenray provides extensive, in-house electrical and environmental test capabilities, including Aging, Mechanical Shock, Sine Vibration, Temperature Shock and More...



Product Catalog Available Online


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Greenray's latest Catalog features detailed product information about our newest OCXO and TCXO products. It is available for download here...



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