South African Polygraph Federation -
http://www.sapfed.org. The Southern African Polygraph Federation (SAPFED) is the Polygraph Association of choice of all professional polygraph examiners in South.
American Polygraph Association - www.polygraph.org.
The prestigious APA is the worlds leading polygraph association.
International membership base.
Academy for Scientific Investigative
www.polygraph-training.com. Provide APA accredited training on
polygraph examinations and further related training throughout the world.
Lafayette Instruments -
www.lafayetteinstrument.com. Manufacture and distribute polygraph