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Roy Bartholomew Sonora CA


Roy Bartholomew Sonora CA is the Director of Engineering at On Guard Security Systems Inc., based in Modesto, California. Mr. Bartholomew was born and raised in the San Francisco Bay Area near the city. He is the youngest of his parents, seven children, all of whom speak French.

By Referral, Only Electric is also owned by Roy Bartholomew. After 35 years in engineering, he has a unique set of skills in high demand, as well as good relationships with business owners locally and nationally.

In the engineering community, Mr. Roy Bartholomew Sonora CA is known for his high-quality engineering, design, and consulting work for Biodomes and other engineered ecosystems. In addition to his full-time job and business ventures, he is also doing this. Today, Mr. Bartholomew lives in Northern California with his wife and son.