American Polygraph Association (APA)


American Association of Police Polygraphists (AAPP)


Global Polygraph Network


Northwest Polygraph Examiners Association (includes members from Washington, Oregon, Montana, Idaho, Alaska & British Columbia)

 Maine Polygraph Association


Texas Association of Polygraph Examiners (TAPE)


Texas Association of Law Enforcement Polygraph Investigators


Texas Department of Licensing and Regulation - TDLR (Polygraph Examiners)


Maine State Police--Licenses & Permits: Polygraph Examiner


State Licensing Boards - American Polygraph Association


Lafayette Instrument Company, Inc.


US Department of Labor