NAICS 541690 Security consulting services (Remove) ; NAICS 561611 Investigators, private (Remove) ; NAICS 561611 Missing person tracing services (Remove) ; NAICS 561611 Private detective services (Remove) ; NAICS 561611 Skip tracing services (Remove) ; NAICS 561612 Guard services (Remove) ; NAICS 561612 Patrol services, security (Remove) ; NAICS 561612 Personal protection services (except security systems services) (Remove) ; NAICS 561612 Property protection services (except armored car, security systems) (Remove ;