Private Investigator: As your Premier Investigation Agency, Quantum Security Intelligence Investigators have a passion for bringing resolve to their cases they are investigating. When you need an Investigator as a Private Citizen, Local, State or Government Agency, Quantum Security Intelligence Investigator's will handle and service your case in a discreet and confidential manner. When in need for Security Guards, QSI Security primary concern are the safe keeping of the retail establishment, customers, and employees. Whether securing a retail store or the entire mall, as a Private Security Agency QSI security can work within teams or other security professionals to create a safe environment for their customers.