Polygraph Lie Detection Services locations near Harwood Heights, IL

Showing 1–9 of 9 results

We track 9 polygraph lie detection services listings in and around Harwood Heights, IL, spread over 7 ZIP codes. Listings here were last checked in Aug 2026.

Updated Aug 2026

Conrad Polygraph

Polygraph & Lie Detection Services

📍 1580 N Northwest Highway, Park Ridge, IL, 60068

📞 847-296-1950

🌐 conradpolygraph.com

Conrad Polygraph offers lie detection services in Park Ridge, Illinois. Its online presence is active as of 2026, indicating ongoing engagement with clients. Those in need of polygraph testing can reach out to this service in the area.

Theodore Polygraph Service

Polygraph & Lie Detection Services

📍 4415 Harrison St Ste 206, Hillside, IL, 60162

📞 708-449-5020

T P S Investigations

Polygraph & Lie Detection Services

📍 4415 Harrison St Ste 206, Hillside, IL, 60162

📞 708-449-5020

Radycki Mitchell J LTD

Private Investigators & Private Detectives

📍 Serving Your Area, Chicago, IL, 60607

📞 773-582-6421

John Reid & Associates

Polygraph & Lie Detection Services

📍 209 W Jackson Blvd Ste 400, Chicago, IL, 60606

📞 312-583-0700

Personnel Systems Corp

Polygraph & Lie Detection Services

📍 Serving Your Area, Oak Brook, IL, 60523

📞 630-990-6006

Cormack Enterprises Inc

Polygraph & Lie Detection Services

📍 Serving Your Area, Oak Brook, IL, 60523

📞 630-990-6006

Mccord & Associates

Security Systems & Consultants

📍 25 E Washington St Ste 1455, Chicago, IL, 60602

📞 312-984-0404

Personnel Systems Corporation

Polygraph & Lie Detection Services

📍 Serving Your Area, Downers Grove, IL, 60515

📞 630-434-2305

Related Categories

Polygraph & Lie Detection Services Private Investigators & Private Detectives Security Systems & Consultants

Also search near

Elmwood Park, IL Niles, IL Stone Park, IL