Security services, namely, armed escorts and security personnel for security patrol services, private investigation services, executive protection services; Security services, namely, conducting recovery operations for the recovery of property and personnel; Security services, namely, providing executive protection; Security guard services; Accident investigations; Anti-counterfeiting consulting in the fields of product and document authentication and tracking, and brand monitoring and protection, to protect against counterfeiting, tampering, and diversion, and to ensure the integrity of genuine products and documents; Civil protection; Conducting personal security clearance background investigations; Detective investigations; Personal background investigations; Police and civil protection services; Providing independent review of clinical trials involving human subjects, namely, reviewing research protocols and related information to ensure protection of the rights and welfare of human subjects of research