- ALABAMA
APIA – Alabama Professional Investigator’s Association
APIB – Alabama Private Investigation Board - ALASKA
AIA – Alaska Investigator’s Association
- ARIZONA
AALPI – Arizona Association of Licensed Private Investigators
- ARKANSAS
AAPPI – Arkansas Association of Professional Private Investigators (No Site Available)
PIAA – Private Investigator’s Association of Arkansas, Inc. (No Site Available) - CALIFORNIA
CALI – California Association of Licensed Investigators
PICA –Professional Investigators or California
LACCDIA – Los Angeles County Criminal Defense Investigators Association
SCFIA – Southern California Fraud Investigators’ Association
- COLORADO
PPIAC– Professional Private Investigators Association Of Colorado
CSPI– Colorado Society of Private Investigators
- CONNECTICUT
(No Information Available)
- DELAWARE
(No Information Available)
- FLORIDA
FALI – Florida Association Of Licensed Investigators
FAPI – Florida Association of Private Investigators
- GEORGIA
GAPPI- Georgia Association of Professional Private Investigators
ISPAG – Investigative & Security Professional Association of Georgia
- HAWAII
(No Information Available)
- IDAHO
PIAI – Private Investigators Association of Idaho
- ILLINOIS
ADSAI – Associated Detectives & Security Agencies of Illinois, Inc.
- INDIANA
IAPI – Indiana Association of Professional Investigators
INSPI – Indiana Society of Professional Investigators
- IOWA
IAPI – Iowa Association Of Private Investigators
- KANSAS
KALI – Kansas Association of Licensed Investigators
- KENTUCKY
KPIA – Kentucky Professional Investigators Association, Inc.
- LOUISIANA
(No Information Available)
- MAINE
MLPIA – Maine Licensed Private Investigators Association
- MARYLAND
MISA – Maryland Investigators & Security Association
- MASSACHUSETTS
LPDAM – Licensed Private Detectives Association of Massachusetts
- MICHIGAN
MCPI – Michigan Council of Private Investigators
- MINNESOTA
MAPI – Minnesota Association of Private Investigators
- MISSISSIPPI
MPIA – Mississippi Professional Investigators Association - MISSOURI
MSIA – Missouri State Investigators Association
MOIA – Missouri Investigators Association
MAPI – Missouri Association of Private Investigators - MONTANA
MAPISO – Montana Association of Private Investigators & Security Officers
- NEBRASKA
NALPI – Nebraska Association of Licensed Private Investigators
- NEVADA
NSPI– Nevada Society of Professional Investigators - NEW ENGLAND
NECSIA – New England Council of State Investigator Associations
- NEW HAMPSHIRE
NHLI – New Hampshire League of Investigators
- NEW JERSEY
NJLPIA – New Jersey Licensed Private Investigators Association, Inc.
NJSIA – New Jersey Special Investigators Association
NJVTI – New Jersey Vehicle Theft Investigators
- NEW MEXICO
(No Information Available) - NEW YORK
ALDONYS – Associated Licensed Detectives of New York State
SPI – Society of Professional Investigators
- NORTH CAROLINA
NCAPI – North Carolina Association Of Private Investigators
- NORTH DAKOTA
(No Information Available) - OHIO
OASIS – Ohio Association of Security and Investigative Services
OIA – Ohio Investigators Association
- OKLAHOMA
OPIA – Oklahoma Private Investigators Association
- OREGON
OALI – Oregon Association of Licensed Investigators Inc.
- PENNSYLVANIA
PALI – Pennsylvania Association of Licensed Investigators
- PUERTO RICO
SPIPR – Society of Private Investigators of Puerto Rico (No Site Listed)
- RHODE ISLAND
RIFIA – Rhode Island Fraud Investigators Association (No Site Listed)
LPDARI – Licensed Private Detectives Association of Rhode Island
- SOUTH CAROLINA
SCALI – South Carolina Association of Legal Investigators
- SOUTH DAKOTA
(No Information Available) - TENNESSEE
TPIA – Tennessee Professional Investigator Association
TALPI- Tenessee Association of Licensed Private Investigators - TEXAS
TALI – Texas Association of Licensed Investigators
NTPIA – North Texas Private Investigators Association
- UTAH
PIAU – Private Investigator’s Association of Utah, Inc.
- VERMONT
VAISS – Vermont Association of Investigative and Security Services
- VIRGINIA
PIAV – Private Investigators Association of Virginia
PISA – Professional Investigators and Security Association
- WASHINGTON
PNAI – Pacific Northwest Association of Investigators
WALI –Washington Association of Legal Investigators
- WEST VIRGINIA
PISPWV – Private Investigators and Security Professionals of West Virginia
- WISCONSIN
PAWLI – Professional Association Of Wisconsin Licensed Investigators
- WYOMING
(No Information Available)