• Roy Bartholomew Sonora CA

    Director of Engineering for On Guard Security Systems Inc.

  • About Roy Bartholomew Sonora CA

    In Modesto, California, Roy Bartholomew Sonora CA is in charge of engineering at On Guard Security Systems Inc. Mr. Bartholomew is the seventh of eight children born to French-speaking Cajun parents, and he was reared in the San Francisco Bay Area.


    By Referral, Only Electric is owned and operated by Roy Bartholomew Sonora CA. He has spent the last 35 years building a reputation for excellence in engineering and cultivating fruitful relationships with company owners on a local and national scale through his referral-based service.


    Mr. Roy Bartholomew Sonora CA is well-known in the engineering world for his expert services in engineering, design, and consulting concerning Biodomes and other built ecosystems, which he performs in addition to his regular day job and entrepreneurial endeavors. These days, Mr. Bartholomew may be found in Northern California with his wife and kid.

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