Welcome to Greenray Industries.

Greenray Industries is a leading manufacturer of OCXOs, TCXOs, and VCXOs, precision quartz crystal oscillators that function as precision signal sources 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

Tight stability. Highest Reliability. Class-leading performance.

Crystal Oscillators that excel in the Most Demanding environments.

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

World Class Test Capabilities

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



Greenray Receives ISO 9001:2008 + AS9100C Certificate of Registration

GRI Facility AS9100 2014


Product Catalog Available Online


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


Made in the USAISO-9001-2008 Certified

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