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  • National Bus Investigations
    National Bus Investigations
    610.759.5100
    22914 Timber Ln, 92595-8024  Wildomar

    Ron Julian began working in Law Enforcement at the age of 21. In 1967, he left public service and opened the first office of National Business Investigations in Fullerton, CA. With a broad client base, his adventures lead him around the country, providing security and investigative services to majo…