National Association of Professional Process Servers
- A worldwide organization that provides a newsletter as well as conferences and training.
- http://www.napps.org/

Crime Prevention Coalition of America
- Interdisciplinary group mobilizing a nation to prevent crime.
- http://www.ncpc.org/CPCA/

International AntiCounterfeiting Coalition
- Devoted to combating trademark and product counterfeiting.
- http://www.iacc.org/

Association of Certified Fraud Examiners
- Organization dedicated to fighting fraud and white-collar crime.
- http://www.acfe.com/

United Kingdom Professional Investigators Network
- A network of private investigators and detectives throughout the United Kingdom exchanging knowledge and business.
- http://www.ukpin.com

International Biometrics Industry Association
- Trade association representing developers, manufacturers, and integrators of biometric hardware and software.
- http://www.ibia.org/

PSA Security Network
- Co-operative organization of security product suppliers and system integration companies.
- http://www.psasecurity.com/

Illinois Association of Security Chiefs
- Comprised of security professionals and represent both the public and private sectors of law enforcement, loss prevention specialists and related professions. Features news, events, membership information, links and contacts.
- http://www.securitychiefs.org/

North Carolina Association of Private Investigators
- The NCAPI provides one united voice for the private investigator's profession in relating to the PPSB and the North Carolina State Legislature.
- http://ncapi.org

Security on Campus, Inc.
- Resource for college and university campus crime safety and security issues.
- http://www.securityoncampus.org/

South African Security Industry Associations
- Directory listing of South African security associations.
- http://www.security.co.za/associations.asp

International Foundation for Protection Officers
- Training and certification of protection security officers.
- http://www.ifpo.org/

Florida Association of Licensed Recovery Agents
- Member and convention information.
- http://www.flacars.org/

Arizona Association of Licensed Private Investigators
- Promote and maintain the highest ethical practices in the profession of Private Investigating
- http://www.aalpi.org/

National Neighborhood Watch Institute
- Advice on how to start a neighbourhood watch scheme and material to support neighbourhood watch operations.
- http://www.nnwi.org

National Association Of Bail Enforcement Agents
- The Association provides Bail Enforcement Training, Bail Enforcement, Bail Bonds, Process Services, Private Investigations, Surveillance and Skip Tracing.
- http://www.nabea.org

Guild of Security UK Ltd
- Guild of British Security Officers providing industry news, product reviews, discussion forums and monthly newsletter.
- http://www.guildofsecurity.co.uk

ASIS El Paso, Texas Chapter
- El Paso ASIS Chapter dedicated to increasing the effectiveness and productivity of security professionals by developing educational programs and materials that address broad security interests.
- http://asiselpaso.org

Association of British Investigators
- UK based professional body for investigators and private detectives with a world wide membership. Information articles and members directory.
- http://www.theabi.org.uk/

Time Finance Adjusters
- Association of recovery agents. Publishes a free guide giving information about recovery companies, coverage, and services.
- http://www.tfaguide.net

Jewelers' Security Alliance
- A non-profit trade association that has been providing crime prevention information and assistance to the jewelry industry and law enforcement since 1883.
- http://www.jewelerssecurity.org/

International Hologram Manufacturers Association
- Association dedicated to dedicated to promoting the interests of quality hologram manufacturers worldwide and to helping consumers achieve their security, packaging, graphic and other objectives through the efficient use of holography.
- http://www.ihma.org

Council of International Investigators
- International organization of private investigators and security consultants established in 1955 with membership in over 45 countries.
- http://www.cii2.org

ASIS - Denver Chapter
- Denver, Colorado, the Mile-High Chapter of the American Society for Industrial Security.
- http://www.asisdenver.com

Professional Investigators and Security Association (PISA)
- A professional organization consisting of private investigators and security services professionals in the Commonwealth of Virginia.
- http://www.pisa.gen.va.us

National Security Inspectorate (NSI)
- The national body inspecting firms providing security systems across the UK. It brings together two well established organisations, National Approval Council for Security Systems (NACOSS), and the Inspectorate of the Security Industry (ISI) covering elect
- http://www.nsi.org.uk

Federal Association of Security Officials
- Works closely with the Canadian government and the security industry to organize training seminars, workshops, and conferences, and obtain briefings in such areas as new developments and new technologies.
- http://faso-afrs.ca/

Illinois Electronic Security Association
- Professionally serving the interests of the electronic security industry in Illinois for its members and consumers
- http://www.iesa.net

Technology Asset Protection Association Europe
- An association of security professionals and related business partners from technology companies who have organized for the purpose of addressing the emerging security threats that are common to the high-tech industry.
- http://www.tapaemea.com

ASIS Cleveland Chapter
- The website for the Cleveland, Ohio chapter of The American Society for Industrial Security.
- http://www.asiscleveland.com

P.I.R.L /PI Resources and Locator
- Your online community of Private Investigators. An association geared toward the investigative community.
- http://www.piresourcesandlocator.com

Master Locksmiths Reference
- UK locksmiths resource provides information for consumers and the locksmith industry.
- http://master-locksmith.co.uk

United States Process Servers Association
- United States trade association.
- http://www.usprocessservers.com/

California Association of Photocopiers & Process Servers
- Statewide trade association for California. Features upcoming events, continuing education, and membership application.
- http://www.capps.org/

South Carolina Private Investigators Association
- A PI association that educates the private and legal investigator throughout the Southeast.
- http://www.scalinv.com

New York Association of In-house Locksmiths, Inc.
- Non-profit educational association for in-house locksmiths employed by colleges, hospitals, and hotels in the greater New York City area.
- http://www.locksmith.org

National Council of Investigation and Security Services
- Organization for the investigation and guard industry.
- http://www.nciss.com

California Alarm Association
- To provide a vehicle to promote growth and professionalism within the alarm industry throughout the State of California
- http://www.caaonline.org

Security Industry Online
- Represents manufacturers of security products and services.
- http://www.siaonline.org/

Association of Christian Investigators
- A professional association for investigators designed to bring integrity to the industry and to provide a non-competitive environment for members to share information.
- http://www.a-c-i.org

ASIS - San Francisco Bay Area Chapter
- San Francisco Bay Area Chapter of the American Society for Industrial Security.
- http://www.sfasis.org

Irish Security Industry Association
- Organization promotes professional standards. Dublin.
- http://www.isia.ie/

European Society for Automatic Alarm Systems.
- A European platform for promoting security and protection engineering.
- http://www.eusas.ch/

Door and Hardware Institute
- A professional organization that serves as the resource for education and information on doors, hardware, security and specialty products for the architectural openings industry.
- http://www.dhi.org

ASIS- Phoenix Chapter
- Phoenix, Arizona chapter of the American Society for Industrial Security.
- http://www.asisphoenix.org

American Society for Testing and Materials
- ASTM develops technical standards for industry worldwide.
- http://www.astm.org

Associated Locksmiths of America
- Professionals engaged in locksmithing business.
- http://www.aloa.org

National Australian Security Providers Association
- Australian industry association.
- http://www.naspa.com.au/

Canadian Alarm and Security Association
- Represents alarm installers and monitoring companies in Canada.
- http://www.canasa.org

International Professional Security Association
- Promotes security professionalism in the United Kingdom.
- http://www.ipsa.org.uk/

National Alliance for Safe Schools
- Organization promotes safe environments for students.
- http://www.safeschools.org

Society of Competitive Intelligence Professionals
- The premier online community for knowledge professionals all around the globe.
- http://www.scip.org/

National Classification Management Society
- Classification management and information security organization.
- http://www.classmgmt.com/

International Security Management Association
- Organization of senior security executives.
- http://www.ismanet.com/

International Association of Professional Security Consultants
- Members are independent, non-product affiliated consultants pledged to meet client needs with professional services.
- http://www.iapsc.org/

International Association of Campus Law Enforcement Administrators
- Informational web site.
- http://www.iaclea.org/

International Association of Auto Theft Investigators
- Formed to improve communication and coordination among professional auto theft investigators.
- http://www.iaati.org/

American National Standards Institute
- A recognized organization whose primary goal is the promotion of voluntary consensus standards and conformity assessment systems in the U.S.
- http://www.ansi.org

American Polygraph Association
- Organization dedicated to providing a valid and reliable means to verify the truth and establish the highest standards of moral, ethical, and professional conduct in the polygraph field.
- http://www.polygraph.org

Independent Armored Car Operators Association
- An association for privately owned armored car companies and to establish high standards of operation and insurance.
- http://www.iacoa.com/

World Association of Professional Investigators
- New investigation organization in London.
- http://www.wapi.com

California Association of Licensed Investigators
- Licensed private investigators and private patrol operators in California.
- http://www.cali-pi.org/

Society of Former Special Agents of the Federal Bureau of Investigation
- Publications and member information.
- http://www.socxfbi.org/

National Society of Professional Insurance Investigators
- Membership, education, and recognition information.
- http://www.nspii.com/

American Society for Industrial Security (ASIS)
- Organization dedicated to increasing the effectiveness and productivity of security professionals. Provides educational programs and materials.
- http://www.asisonline.org/

International Association for Healthcare Security and Safety
- Professional security management association.
- http://www.iahss.org/

High Technology Crime Investigation Association
- Association of high-technology criminal investigators.
- http://www.htcia.org/

Florida Association of Licensed Investigators
- Promoting ways to increase professionalism and education.
- http://www.fali.com/