Below is a list of various professional organizations available online. If you would like to add your organization to our list, please contact the Webmaster.

1.) Associated Detectives of Illinois 2.) Associated Licensed Detectives of New York 3.) California Association of Licensed Investigators 4.) California Institute for Professional Investigators 5.) Florida Association of Licensed Private Investigators 6.) Indiana Society of Professional Investigators 7.) Kentucky Professional Investigators Association 8.) Kansas Association of Private Investigators 9.) Licensed Private Detectives Association of Massachusetts 10.) Louisiana Private Investigators Association 11.) Maine Licensed Private Investigators Association 12.) National Association of Legal Investigators 13.) National Council of Investigation & Security Services, Inc. 14.) New Hampshire League of Investigators, Inc 15.) North Carolina Association of Private Investigators 16.) North Texas Process Servers Association 17.) Ohio Association of Security & Investigation Services 18.) Ohio Investigators Association 19.) Oklahoma Private Investigators Association 20.) Oregon Association of Licensed Investigators, Inc. 21.) Pacific Northwest Association of Investigators 22.) Private Investigator's Association of Florida, Inc. 23.) Professional Investigators Alliance of Maryland, Inc. 24.) Professional Investigator's Association of Utah 25.) Professional Private Investigators Association of Colorado 26.) South Eastern Association of Private Investigators 27.) South Florida Investigators Association 28.) Texas Association of Licensed Investigators 29.) World Association of Detectives 30.) Utah Association of Licensed Investigators 31.) Alabama Professional Investigators Association 32.) Professional Investigators and Security Association 33.) Maryland Investigators and Security Association 34.) Arkansas Association of Professional Private Investigators 35.) 300 Investigative Links 36.) Case Assist Links 37.) License Plate Links 38.) Media Links 39.) Oklahoma Court Searches 40.) Oklahoma Links 41.) Oklahoma State Agencies 42.) Oklahoma Web Searches 43.) PI Association Links 44.) Satellite Imagery Sources 45.) SSD Searches 46.) Private Investigators - UK 47.) Hi-Tech Self-Defense & Surveillance Products