Contact Us

Phone and Email

O: 925-446-4183


Sigray is located in the city of Concord of the San Francisco East Bay in a 13,000 square foot laboratory and manufacturing complex. 


5750 Imhoff Drive, Suite I

Concord, CA 94520 USA

Directions: Note that Google Maps (through the phone GPS) can be inaccurate when plotting directions to our headquarters! It is advised to print out directions in advance online (the web version of Google Maps is correct). Full directions here

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