Driving Directions and Appointment Information for Northfield Test Center
Central Polygraph Service Full Color Brochure
Employee-Theft Polygraph Testing Information Packet (Businesses Only)
Pre-Employment Applicant Screening Questionnaire (Government Only)
Post-Conviction Sex Offender Questionnaire (Therapists & Probation Only)
Central Polygraph Service Contract Forms
Parental Consent Form for Examinees Under 18 Years of Age
Request For Copy of Polygraph Examination Report
Court Case Citations Regarding Admissibility of Polygraph
How to Select a Polygraph Examiner – Quality Assurance Checklist