Welcome to True North Polygraph; an enterprise committed to providing professional, reliable and confidential polygraph services.

I have provided a variety of resources on this website to hopefully answer any question you may have.  You are invited to utilize the “Contact Info” tab for any additional information, to request a quote for specific polygraph services, or to set up an appointment.

Thank you for your time and interest.

Derik J. Zimmel
True North Polygraph
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