The American Correctional Association (ACA) serves all disciplines within the corrections profession, including professional development, certification, standards, accreditation, networking, consulting, research, publications, technology, and testing. ACA also handles conferences and exhibits in the corrections profession.

The American Polygraph Association (APA) consists of over 2,500 members 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. APA establishes standards of ethical practices, techniques, instrumentation, research, advanced training, and continuing educational programs.

The American Society of Criminology (ASC) is an international organization concerned with criminology, embracing scholarly, scientific, and professional knowledge concerning the etiology, prevention, control, and treatment of crime and delinquency. ASC’s objective is to bring together a multidisciplinary forum fostering criminology study, research, and education. The members include practitioners, academicians, and students in the many fields of criminal justice.

Established in 1956 and serving local, state, and regional agencies and organizations, the role of the Association of Law Enforcement Intelligence Units (LEIU) is to gather, record, and exchange confidential information concerning organized crime and terrorism not available through regular police channels. LEIU members are law enforcement agencies of general jurisdiction having a criminal intelligence function.

The Commission on Accreditation for Law Enforcement Agencies, Inc. (CALEA), was established as an independent accrediting authority in 1979 by the four major law enforcement membership associations: the International Association of Chiefs of Police (IACP), the National Organization of Black Law Enforcement Executives (NOBLE), the National Sheriffs' Association (NSA), and the Police Executive Research Forum (PERF). CALEA has 21 members selected from law enforcement practitioners and the public and private sectors. The overall purpose of CALEA is to improve delivery of law enforcement service by offering a body of standards developed by law enforcement practitioners, covering a wide range of up-to-date law enforcement topics. The primary benefits of accreditation include controlled liability insurance costs, administrative improvements, greater accountability from supervisors, and increased governmental and community support.

The Cyber Law Enforcement Organization (CLEO) is a network of law enforcement officers who specialize in cybercrime investigation, training other law enforcement officers, and assisting cybercrime victims online. CLEO’s tip line handles child pornography, cyberstalking, and missing children tips, as well as tips for cyberscams and fraud online. CLEO also includes prosecutors, defense counsel, and legal experts in the field of cybercrime to help educate and guide the Internet community on crime prevention and cybercrime reporting.

The Florida Crime and Intelligence Analyst Association (FCIAA) shares information about emerging crime trends, critical intelligence information, and educational and training issues. FCIAA provides technical and analytical training, exchanges information and ideas, and establishes a state certification process that will enhance the effectiveness, efficiency, and professionalism of crime and intelligence analysts.

The Forum on the Advancement of Court Technology (FACT) is a consortium of private sector companies and senior court representatives dedicated to strengthening the dialogue between courts and providers of technology. FACT aims to improve the quality of justice through communication between those who develop and provide technology and services and those who manage the courts. FACT members provide insights and propose methods to improve technology acquisition and development processes. Active membership provides opportunities for business representatives to understand justice priorities and the issues faced by court decision makers examining technology options.

The High Intensity Drug Trafficking Areas (HIDTA) program is a federally funded program that coordinates drug control efforts among local, state, and federal law enforcement agencies. HIDTA was created in designated areas that exhibit serious drug trafficking problems and harmfully impact other areas of the country. The program provides agencies with management, equipment, technology, and additional resources to combat drug trafficking and its consequences. There are 28 HIDTA areas. HIDTA-designated counties are in most states, Puerto Rico, the U.S. Virgin Islands, and the District of Columbia.

The High Technology Crime Investigation Association (HTCIA) encourages, promotes, aids, and affects the voluntary interchange of data, information, experience, ideas, and knowledge regarding methods, processes, and techniques of investigations and security in advanced technologies for its members.

The goals of the IACP are to advance the science and art of services; to develop, disseminate, and promote improved practices; to foster cooperation, exchange of information, and experience among police administrators; to provide recruitment and training; and to encourage adherence by police officers to high professional standards of performance and conduct. IACP has over 19,000 members in over 89 different countries. IACP’s leadership consists of the operating chief executives of local, state, federal, and international agencies of all sizes.

The International Association of Crime Analysts (IACA) helps crime analysts around the world improve their skills and make valuable contacts to help law enforcement agencies make the best use of crime analysis and to advocate for standards of performance and technique within the profession itself. Members include crime analysts, intelligence analysts, police officers, educators, and students from over 30 countries.

The International Association of Fire Chiefs (IAFC) provides leadership to career and volunteer chiefs and chief fire officers and managers of emergency service organizations throughout the international community through vision, information, education, services, and representation to enhance their professionalism and capabilities. Established in 1873, IAFC is a network of more than 12,000 chief fire and emergency officers. The members are experts in firefighting, emergency medical services, terrorism response, hazardous materials spills, natural disasters, search and rescue, and public safety legislation.

The International Association of Law Enforcement Planners (IALEP) consists of people working in the area of planning and research for criminal justice agencies. IALEP shares information about the latest innovations, issues, problems, and solutions confronting criminal justice today. IALEP serves as a forum to exchange ideas, programs, techniques, and policies. It also sponsors a standard- and advanced-level certification program for planners. IALEP has nearly 1,000 members from around the world. Members are from Australia, Bulgaria, Canada, the Dominican Republic, Guam, Guatemala, Hong Kong, Iceland, Kuwait, Panama, the Philippines, Slovakia, South Africa, and the United States.

The National Conference of State Legislatures (NCSL), founded in 1975, provides research, technical assistance, and opportunities for policymakers to exchange ideas on pressing state issues. NCSL is a bipartisan organization that serves the legislators and staffs of the nation's 50 states, its commonwealths, and its territories. NCSL is governed by a 60-member executive committee, composed of legislators and legislative staff members, who are elected annually. Seven officers direct the overall work of the conference.

The National Fraud Information Center (NFIC) provides information on tips, scams, and statistics on fraud, including telemarketing, elder, Internet, and business scams. NFIC also provides news articles from the National Consumers League.

The National Sheriffs' Association (NSA) provides resources, technical assistance, opportunities for professional development, information, congressional advocacy, and valuable opportunities for networking and interacting with fellow criminal justice professionals to sheriffs and other criminal justice practitioners.

As a component of the U.S. Department of Justice, the COPS Office advances community policing in jurisdictions of all sizes across the country. COPS provides grants to local, state, and tribal law enforcement agencies to hire and train community policing professionals, acquire and deploy crime-fighting technologies, and develop and test policing strategies. COPS-funded training helps advance community policing at all levels of law enforcement. Because community policing is by definition inclusive, COPS training also reaches local and state government leaders and the citizens they serve.

The Office of the National Counterintelligence Executive (ONCIX) improves the performance of the counterintelligence (CI) community in identifying, assessing, prioritizing, and countering intelligence threats to the nation to ensure CI community efficiency and effectiveness and to provide for the integration of CI activities. The National Counterintelligence Executive (NCIX) is appointed by the President to serve as head of national counterintelligence for the United States.

SEARCH, The National Consortium for Justice Information and Statistics, is a nonprofit membership organization that provides assistance to justice, public safety, first responder, and homeland security practitioners with their information sharing initiatives. SEARCH provides technical assistance, resources, and models to improve the exchange of information among state, local, and tribal law enforcement and public safety; fusion centers; and federal partners to keep communities safe. The organization addresses timely justice, public safety, and first responder information management laws, policies, and procedures as issues and events shape and change the justice and public safety landscape. SEARCH provides tailored assistance that helps jurisdictions plan for, procure, upgrade, implement, and manage information technology to prepare police, fire, and emergency medical service agencies for successful information sharing and communications during criminal events, natural disasters, and terrorist attacks and teaches high-tech investigators the skills they need to stay ahead of criminals in the fight against crime.