Company lists · Data refreshed September 2026

Top 25 Harm reduction programs worldwide

RevenueBase identified 197 company matches for harm reduction programs worldwide as of September 2026 and tracks 1,637 professional contacts across them, including 518 with verified work emails. The United States is the largest market and Oakland the largest hub.

This list covers company matches for harm reduction programs worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026. Country and city lists for harm reduction programs follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
197Companies
1,637Contacts tracked
518Verified emails
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The 25 largest harm reduction programs worldwide

Ranked by team size
Top 25 of 197 company matches for harm reduction programs worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGuelph, ON, CanadaHQ recorded Sep 20, 202651-200110 contacts →

Exact match

“Our Mission: With a commitment to partnership, support, and advocacy, Stonehenge delivers expert services to individuals, families, and communities experiencing harm related to…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchSeattle, WA, United StatesHQ recorded Sep 20, 202611-5064 contacts →

Exact match

“Formerly the Public Defender Association, Purpose.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchCamp Hill, PA, United StatesHQ recorded Sep 20, 2026501-1,00056 contacts →

Exact match

“Addiction Recovery Systems restores lives by providing state of the art treatment to individuals affected by the disease of addiction.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchDublin, IrelandHQ recorded Sep 20, 202611-5050 contacts →

Exact match

“The Ana Liffey Drug Project is a "Low Threshold - Harm Reduction" service.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSwansea, United KingdomHQ recorded Sep 20, 2026201-50049 contacts →

Exact match

“Barod is the Welsh word for 'ready'.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchRozelle, AustraliaHQ recorded Sep 20, 202651-20036 contacts →

Exact match

“We Help Ourselves (WHOS) provides therapeutic programs aimed at achieving recovery from alcohol and other drug dependence, incorporating harm reduction and co-existing mental…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBronx, NY, United StatesHQ recorded Sep 20, 202651-20034 contacts →

Exact match

“We meet every person where they are at.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchAntwerpen, BelgiumHQ recorded Sep 20, 202651-20030 contacts →

Exact match

“Free Clinic is a hospital & health care company based out of 14 Schijnpoortweg, Antwerpen, Belgium.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchPhoenix, AZ, United StatesHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“Sonoran Prevention Works is a statewide harm reduction nonprofit working to build a healthy Arizona with people who use drugs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchNorth Melbourne, AustraliaHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“Harm Reduction Victoria (HRVic) is a not for profit, community organisation for people who use drugs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Sep 20, 202651-20025 contacts →

Exact match

“Issue des programmes d'échange de seringues créés durant l'épidémie de VIH-SIDA dans les années 80, Gaïa-Paris gère plusieurs programmes de réduction des risques liés à l'usage de…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“Using rebellious love to improve wellness for Floridians impacted by drug use since 2016.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“The Lower East Side Harm Reduction Center (LESHRC) is a culturally diverse community based non-profit organization whose mission is to reduce the spread of HIV/AIDS and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchWinnipeg, MB, CanadaHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“Sunshine House is a community drop-in and resource centre focusing on harm reduction, population health promotion, and social inclusion.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchMarseille, FranceHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“Le Bus 31/32, créée en 2006, est une émanation de Médecins du Monde (MDM), dont cette mission avait débutée en 1994 dans le contexte de l’épidémie de VIH.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“A fully equipped harm reduction, mental health and addictions services facility in Parkdale, ON.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchGenève, SwitzerlandHQ recorded Sep 20, 202651-20021 contacts →

Exact match

“Première ligne est une association de réduction des risques liés à la consommation de substances psycho-actives, créée en septembre 2004, à Genève.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchSeattle, WA, United StatesHQ recorded Sep 20, 20261-1021 contacts →

Exact match

“We aim to help spread awareness about the growing opioid epidemic, as well as promote harm reduction in our community.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchRaleigh, NC, United StatesHQ recorded Sep 20, 202611-5018 contacts →

Exact match

“North Carolina Harm Reduction Coalition (NCHRC) is a statewide grassroots organization dedicated to the implementation of harm reduction interventions, public health strategies…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchMontréal, QC, CanadaHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“Spectre de rue est un organisme à but non lucratif fondé en 1986 et situé dans le quartier Centre-Sud.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchGrass Valley, CA, United StatesHQ recorded Sep 20, 20261-1017 contacts →

Exact match

“Zendo Project offers professional harm reduction education to communities and organizations and provides peer support services at events to help transform difficult psychedelic…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Penington Institute's focus is clear: reduce serious drug harms and save lives.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchProvidence, RI, United StatesHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Project Weber/RENEW is a peer-based harm reduction and recovery services organization providing overdose and HIV prevention, street outreach, case management, and basic needs…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Mainline is dedicated to improve the health and quality of life of people who use drugs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBaltimore, MD, United StatesHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“The mission of is to connect those impacted by drug use in Baltimore city to high-quality healthcare services and address any obstacles that might threaten that connection.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 197 harm reduction programs worldwide

See the full list, filter by size, metro and specialty, and access 518 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Harm reduction programs worldwide at a glance

As of Sep 20, 2026
31.6%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · Oakland
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
107
11-50
67
51-200
16
201-500
2
501-1,000
2
1,001-5,000
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for harm reduction programs are linked below.
What qualifies
Company records worldwide whose business descriptions match “harm reduction programs” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 518 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Harm reduction programs by location

1 lists · largest first

Every Harm reduction programs list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “harm reduction programs”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many harm reduction programs are there worldwide?

RevenueBase identified 197 company matches for harm reduction programs worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Stonehenge Therapeutic Community tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most harm reduction programs?

The United States leads with 81 companies. Every harm reduction programs list by country and city is linked on this page.

Which city has the most harm reduction programs?

Oakland leads with 4 company records, followed by Philadelphia (4) and Athens (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 518 professional contacts with verified work emails tracked across these 197 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.