References
Associated Detectives and Security Agencies of Illinois (A.D.S.A.I.)
American Society of Industrial Security International (A.S.I.S.)
World Association of Detectives (W.A.D.)
National Council of Investigative & Guard Services (N.C.I.S.S.)
Iowa Association of Private Investigators (I.A.P.I)
National Rifle Association (N.R.A.)
International Institute of Security and Safety Management (I.I.S.S.M.)
Certified Protection Professionals (C.P.P.)
Illinois Department of Financial and Professional Regulation (I.D.F.P.R.)