I.O.S.C., also known as Investigation Offices of Southern California, is a full-service investigation agency that provides surveillance and evidence gathering solutions for individuals, businesses and government agencies. It specializes in workers compensation, malpractice defense, spousal support modification, child support and custody, and domestic, infidelity, corporate and background investigation s. The agency offers vehicle tracking, threat assessment, witness protection, consulting, and theft, violence and termination investigation services. It serves the residents of Ventura, Los Angeles, Orange, San Bernardino, Riverside and San Diego counties in California. I.O.S.C. is located in Temecula, Calif.