We found 37 results for Polygraph And Lie Detection Services in or near Diamond Bar, CA.They also appear in other related business categories including Private Investigators & Detectives, Security Guard & Patrol Service, and Adult Education. 2 of the rated businesses have 4+ star ratings.

The businesses listed also serve surrounding cities and neighborhoods including Beverly Hills, Central LA, and City Center. These businesses offer their services in one-or-more of the following languages: Spanish, Arabic, and Hebrew.