Australian Drug Foundation (ADF)
ADF is nonprofit that has worked for over 40 years to prevent and reduce alcohol and other drug problems in Australia. Its work focuses on research, information, community development and education, and advocacy.

Australian Injecting and Illicit Drug Users League (AIVL)
AIVL represents drug user organizations in Australia. Operating under a peer-based, user-centered philosophy, the website provides information about overdose prevention, dealing with police, methadone programs, and hepatitis C, among other topics.

Canadian Harm Reduction Network (CHRN)
CHRN is the nexus for individuals and organizations across Canada dedicated to reducing the social, health and economic harms associated with drugs and drug policies.

Chicago Recovery Alliance (CRA)
CRA is an action organization for those interested in directly serving, supporting, educating, and advocating with others for reducing drug-related harms.

Cranstoun Drug Services
Cranstoun Drug Services is a nonprofit organization that provides a range of services to tackle the impact and harm caused by drugs to individuals and communities in the United Kingdom.

DanceSafe
DanceSafe is a nonprofit, harm reduction organization promoting health and safety within the rave and nightclub communities in the United States and Canada.

Danish Drug Users' Union
The Danish Drug Users Union is an organization created by and for opiate and methadone users.

Harm Reduction Coalition (HRC)
HRC is committed to reducing drug-related harm among individuals and communities by initiating and promoting local, regional, and national harm reduction education, interventions, and community organizing.

HIT (United Kingdom)
HIT provides training, consultation and information on drug-related issues in the United Kingdom. It has gained an international reputation for developing, advocating and implementing pragmatic and effective approaches to drug use.

Lower East Side Harm Reduction Center (LESHRC)
LESHRC focuses on decreasing risk factors such as syringe sharing among injection drug users in New York City and educating them about other ways to reduce their risk. The center also works to reduce the harmful impact of drug use on individuals, their families, their friends, and the community.

National Advocates for Pregnant Women (NAPW)
NAPW is a nonprofit dedicated to protecting the rights of pregnant and parenting women and their children. It seeks to ensure that women are not punished for pregnancy and addiction and that families are not needlessly separated based on medical and public health misinformation.

North American Syringe Exchange Network (NASEN)
NASEN is dedicated to the creation, expansion and continued existence of syringe exchange programs as a proven method of stopping the transmission of blood borne pathogens in the injecting drug using community.

Trimbos Institute (the Netherlands)
The institute, also known as the Netherlands Institute of Mental Health and Addiction, promotes mental health in the broadest sense of the term by providing services in the field of mental health care, substance use and the care of addicts.

United Kingdom Harm Reduction Alliance (UKHRA)
The United Kingdom Harm Reduction Alliance (UKHRA) is a coalition of drug users, health and social care workers, and criminal justice workers that aims to put public health and human rights at the center of drug treatment and service provision for drug users.

Vancouver Area Network of Drug Users (VANDU)
VANDU works to improve the lives of people who use illicit drugs in and around Vancouver, Canada. It offers user-based peer support and education and focuses on ensuring that drug users have a real voice in the creation and decision making of programs and policies designed to serve them.