Gary L. Ermoian Investigations is a full-service investigation agency, based in Modesto, California, offering a wide range of services including criminal defense, civil investigations, infidelity investigations, surveillance, skip tracing, background investigations, insurance investigations, missing persons, asset location, and judgment recovery. The agency has been serving the Central Valley of California since 1980 and is committed to providing quality and strictly confidential investigative services to the legal profession, insurance industry, business, and private sector.