National Based PI Associations
Fraternal Order of Investigators
World Association of Detectives
Alabama
Alabama Private Investigators Association (APIA)
Alaska
Alaska Investigators Association (AIA)
Arizona
Arizona Association of Licensed Private Investigators (AALPI)
Arkansas
Arkansas Association of Professional Investigators (AAPI)
California
California Association of Licensed Investigators (CALI)
Colorado
Professional Private Investigators Association of Colorado (PPIAC)
Connecticut
Connecticut Association of Licensed Private Investigators (CALPI)
Delaware
Delaware Association of Detective Agencies (DADA)
Florida
Florida Association of Licensed Investigators (FALI)
Georgia
Georgia Association of Professional Private Investigators (GAPPI)
Hawaii
Hawaii Association of Licensed Investigators (HALI)
Idaho
Private Investigators Association of Idaho (PIAI)
Illinois
Associated Detectives & Security Agencies of Illinois, Inc. (ADSAI)
Indiana
Indiana Association of Professional Investigators (IAPI)
Iowa
Iowa Association of Private Investigators (IAPI)
Kansas
Kansas Association of Licensed Investigators (KALI)
Kentucky
Kentucky Professional Investigators Association, Inc. (KPIA)
Louisiana
Louisiana Private Investigators Association (LPIA)
Maine
Maine Licensed Private Investigators Association (MLPIA)
Maryland
Maryland Investigators and Security Association (MISA)
Massachusetts
Licensed Private Detectives Association of Massachusetts, Inc. (LPDAM)
Michigan
Michigan Council of Professional Investigators (MCPI)
Minnesota
Minnesota Association Of Private Investigators (MAPI)
Mississippi
Mississippi Professional Investigators Association (MPIA)
Missouri
Missouri State Investigators Association (MSIA)
Montana
Montana Association of Private Investigators and Security Operators (MAPISO)
Nebraska
Nebraska Association of Licensed Private Investigators (NALPI)
Nevada
Nevada Society of Professional Investigators (NVSPI)
New Hampshire
New Hampshire League of Investigators (NHLI)
New Jersey
New Jersey Licensed Private Investigators Association, Inc. (NJLPIA)
New Mexico
New Mexico Private Investigators Association (NMPIA)
New York
Associated Licensed Detectives of New York State (ALDONYS)
North Carolina
North Carolina Association Of Private Investigators (NCAPI)
North Dakota
North Dakota Private Investigators Association (NDPIA)
Ohio
Ohio Association of Security and Investigative Services (OASIS)
Oklahoma
Oklahoma Private Investigators Association (OPIA)
Oregon
Oregon Association of Licensed Investigators Inc. (OALI)
Pennsylvania
Pennsylvania Association of Licensed Investigators (PALI)
Puerto Rico
Society of Private Investigators of Puerto Rico (SPIPR)
Rhode Island
Rhode Island Association of Licensed Private Detectives (RIALPD)
South Carolina
South Carolina Association of Legal Investigators (SCALI)
South Dakota
South Dakota Professional Investigators Association (SDPIA)
Tennessee
Tennessee Professional Investigators Association (TPIA)
Texas
Texas Association of Licensed Investigators (TALI)
Utah
Utah Council of Private Investigators (UCPI)
Vermont
Vermont Association of Investigative and Security Services (VAISS)
Virginia
Private Investigators Association of Virginia (PIAVA)
Washington
Washington Association of Legal Investigators (WALI)
West Virginia
West Virginia Association of Licensed Investigators (WVALI)
Wisconsin
Professional Association of Wisconsin Licensed Investigators (PAWLI)
Wyoming