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Forensic Polygraph Examiners | Johannesburg | Polygraph Examinations, Forensic Interview | |
Polygraph Professionals | Polokwane (Pietersburg) | Pre-employment & forensic polygraph testing. | |
Polygraph Safari | Polygraph, Lie detection, Lie detecting | ||
Voice Stress Analysts SA | Midrand | Lie detection, employment screening | |
VSA - National Voice Stress & Polygraph Network | Pretoria | Voice Stress Analysis/Polygraph | |
Xact Analysis - Truth Verification Specialists | Pretoria | Truth and Lie Detection via Layered Voice Analysis |
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