Contact GPN
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Global Polygraph Network ® – Worldwide Headquarters
- PO Box 4444
- Elmira, NY 14904, USA
- 800.545.1112
- 607.398.9009
GLOBAL POLYGRAPH NETWORK®
Established in 1987, Global Polygraph Network® is the world’s largest and most trusted polygraph (lie detector) company with services available at hundreds of locations by highly-trained experts worldwide. Avoid “discount” polygraph frauds and “over the phone” testing scams. We only provide real polygraphs by real examiners. Trust our A+ BBB rating, up-front pricing, and written guarantee.