State Associations

National Associations

International Associations

State Associations

Alabama
- Alabama Private Investigators Association (APIA)

Alaska
- Alaska's Investigators Association (AIA)

Arizona
- Arizona Association of Licensed Private Investigators (AALPI)

Arkansas
- Arkansas Association of Professional Private Investigators (AAPPI)

California
- California Association of Licensed Investigators (CALI)

- Professional Investigators of California (PICA)

- Los Angeles County Criminal Defense Investigators Association (LACCDIA)

- Southern California Fraud Investigators Association (SCFIA)

- California Association of Judgement Professionals (CAJP)

Colorado
- Professional Private Investigators Association of Colorado (PPIAC)

Connecticut
- Connecticut Association of Licensed Private Investigators (CALPI)

Delaware
- Delaware State Police

Florida
- Forida Association of Licensed Investigators (FALI)

- Florida Association of Private Investigators (FAPI)

- South Florida Investigators Association (SFIA)

Georgia
- Georgia Association of Professional Private Investigators (GAPPI)

- Investigative Professional Association of Georgia (IPAG)

Idaho

- Idaho Private Investigators Association (IPIA)

Illinois
- Association of Detectives of Illinois (ADI)

Indiana
- Indiana Association of Professional Investigators (IAPI)

- Indiana Society of Professional Investigators (INSPI)

Iowa
- Iowa Association of Private Investigators (IAPI)

Kansas
- Kansas Association of Licensed Investigators (KALI)

- Kansas Association of Private Investigators (KAPI)

Kentucky
- Kentucky Professional Investigators Association (KPIA)

- Kentucky Society of Professional Investigators (KSPI)

Louisiana
- Louisiana Private Investigators Association (LPIA)

- Louisiana State Board of Private Investigator Examiners (LSBPIE)

Maine
- Maine Licensed Private Investigators Associations (MLPIA)

Maryland
- Professional Investigators Alliance of Maryland (PIAM)

- Maryland Investigators and Security Associations (MISA)

Massachusetts
- Licensed Private Detectives Association of Massachusetts (LPDAM)

Michigan
- Michigan Council of Private Investigators (MCPI)

- Michigan Contract Security Association (MCSA)

Minnesota
- Minnesota Association of Private Investigators & Protective Agents (MAPI)

Missouri
- Missouri Association of Private Investigators (MAPI)

Nevada
- Nevada Society of Professional Investigators (NSPI)

New Hampshire
- New Hampshire League of Investigators (NHLI)

New Jersey
- New Jersey Licensed Private Investigators Association (NJLPIA)

- Association of Professional Investigators & Security Providers (APISP)

- New Jersey Special Investigators Association (NJSIA)

New York
- The Associated Licensed Detectives of New York State (ALDNYS)

- Society of Professional Investigators (SPI)

North Carolina
- North Carolina Association of Private Investigators (NCAPI)

Ohio
- Ohio Investigators Association (OIA)

- Ohio Association of Security and Investigation Services (OASIS)

Oklahoma
- Oklahoma Private Investigators Association (OPIA)

Oregon
- Oregon Assoiciation of Licensed Investigators (OALI)

Pennsylvania
- Pennsylvania Association of Licensed Investigators (PALI)

Rhode Island
- Licensed Private Detectives Association of Rhode Island (LPDARI)

South Carolina
- South Carolina Association of Legal Investigators (SCALI)

Tennessee
- Tennessee Association of Investigators (TAI)

- Tennessee Professional Investigators Association (TPIA)

Texas
- Texas Association of Licensed Investigators (TALI)

- North Texas Private Investigators Association (NTPIA)

Utah
- Private Investigators Association of Utah (PIAU)

Vermont
- Vermont Association of Investigative & Security Services (VAISS)

Virginia
- Private Investigators Association of Virginia (PIAVA)

- Professional Investigators & Security Association (PISA)

Washington
- Washington Association of Legal Investigators (WALI)

- Pacific Northwest Association of Investigators (PNAI)

West Virginia
- Private Investigators & Security Professionals of West Virginia (PISP)

Wisconsin
- Professional Association of Wisconsin Licensed Investigators (PAWLI)

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National Associations

Association of Christian Investigators (ACI)

Association of Professional Investigators & Security Providers (API-SP)

Certified Investigative Professionals (CIPI)

The Criminal Defense Investigation Training Council (CDITC)

Global Investigators Network (GIN)

Investigators Anywhere (ION)

National Alliance of Gang Investigators Association (NAGIA)

National Association of Fire Investigators (NAFI)

National Associaition of Investigative Specialists (NAIS)

National Associaiton of Legal Investigators (NALI)

National Association of Professional Accident Reconstruction Specialists (NAPARS)

National Association of Professional Process Servers (NAPPS)

National Council of Investigators & Security Services (NCISS)

National Defender Investigator Association (NDIA)

Society of Former Special Agents of the FBI (SOCXFBI)

United States Association of Professional Investigators (USAPI)

United States Professional Investigators Network (USPIN)

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International Associations

Council of International Investigators (CII)

Institute of Professional Investigators (IPI)

International Association of Security & Investigative Regulators (IASIR)

International Intelligence Network (INTELNET)

Private Eye International (PI)

World Association of Detectives (WAD)

World Association of Professional Investigators (WAPI)

World Investigators Network (WIN)

World Security Organization (WSO)

Canada

Alberta
- Alberta Association of Private Investigators (AAPI)

British Columbia
- Private Investigators Association of British Columbia (PIABC)

Ontario
- Council of Private Investigators of Ontario (CPI)

Italy
- Italian Association of Private Investigators (IAPI)

United Kingdom
- Association of British Investigators (ABI)

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