About Us

Welcome! to Youna.com we are glad you found us and we hope we can be off service to you.

Youna.com is our online shopping platform since 1999. The site is serviced out of our 2 physical stores located in Southern California more exact would be City of San Diego store named Electro-Optical Inst Co which I started in 1989 and in the City of Colton which started 1970's as Colton camera and later became Colton Surveying Instruments.

Our experience has been maturing over those decades, supplying Land Surrveyors , Engineers and builders some of their daily use tools, measuring instruments and field supplies as well servicing, repairing and calibration.

We promise to do our best to provide you with quality and secure service and product, so feel free to contact us any time with any questions or comments.

Please enjoy browsing around the store, we do have more than we listed, so if you dont see it, there is still a good chance we have it.



Fred Youna

Fred Youna