* Intervention for the loved ones of someone with a substance abuse problem.* Listening and support for parents, partners, friends, etc.* Individual and family intervention.* Programme Boussole: support, accompaniment and social reinsertion for addicts, in partnership with the Centre de Réadaptation en Dépendance de l'Outaouais (CRDO).* PATH-C Program: Hepatitis C Treatment Support Program, in partnership with the Centre de Réadaptation en Dépendance de l'Outaouais (CRDO).* Assessment of substance use.* Help with learning retention.* Youth prevention: transition from elementary to high school.* Referrals.* Awareness workshops provided in elementary schools, adult education, vocational training and community organizations.* Training provided.* Street work and Outreach.* Mobile Outreach Team.* Naloxone kit distribution.* Interventions during party settings.* Distribution and delivery of fentanyl test strips.* Substance analysis tools.* Mobile supervised consumption service (SCS).* Distribution of new injection equipment to drug users (free service).