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Private Investigator (P.I.) Associations in the United States

Listed below is information on every Private Investigator Association we could find with the most up to date contact and information from their official websites. If you happen to find incorrect or missing information listed for a listed Detective Association please contact us so we can keep resources up to date.

Investigator resources also provides special access and abilities to Professional Investigator Associations and their members upon request.


   National P.I. Associations

   Natl. Council of Investigation & Security Services
  • 7501 Sparrows Point Blvd.
    Baltimore, MD 21219-9746
    Phone: (800) 445-8408
    Fax: (410) 388-9746
  • Email:
  • Official Website: Click Here

   Assoc. of Certified Fraud Examiners

   Association of Christian Investigators
  • 2553 Jackson Keller, Suite 200
    San Antonio, TX 78230
    Phone: (210) 342-0509
    Fax: (210) 342-0731
  • Email:
  • Official Website: Click Here

   Natl. Assoc. of Legal Investigators

   Private Investigators Assoc. of America

   Natl. Assoc. of Professional Process Servers

   Association of Professional Investigators & Security Providers
  • P.O. Box 1128
    Bellmore, NY 11710
    Phone: (516) 781-5100
    Fax: (516) 442-3169
  • Email:
  • Official Website: Click Here

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