Company lists · Data refreshed September 2026

Top 25 Harm reduction service providers worldwide

RevenueBase identified 329 company matches for harm reduction service providers worldwide as of September 2026 and tracks 3,676 professional contacts across them, including 1,114 with verified work emails. The United States is the largest market and Dublin the largest hub.

This list covers company matches for harm reduction service providers 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 service providers 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
329Companies
3,676Contacts tracked
1,114Verified emails
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The 25 largest harm reduction service providers worldwide

Ranked by team size
Top 25 of 329 company matches for harm reduction service providers 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 matchVancouver, BC, CanadaHQ recorded Sep 20, 20261,001-5,000300 contacts →

Exact match

“We provide housing, healthcare, harm reduction and health promotion for some of the most marginalized people in Vancouver and Victoria.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202651-200205 contacts →

Exact match

“Victory Programs has helped individuals and families in crisis for over 45 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact matchBowen Hills, AustraliaHQ recorded Sep 20, 202651-20061 contacts →

Exact match

“QuIHN is a non-government and not-for-profit charity providing a range of specialist social and medical services relating to alcohol and other drug use and mental health.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact matchCalgary, AB, CanadaHQ recorded Sep 20, 202611-5050 contacts →

Exact match

“SafeLink Alberta is an organization that works to reduce the risks associated with sexual activity and substance use.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchUnited StatesHQ recorded Sep 20, 202651-20046 contacts →

Exact match

“Le CEID-Addictions est une des plus anciennes associations du champ des Addictions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWilmington, DE, United StatesHQ recorded Sep 20, 202611-5041 contacts →

Exact match

“Recovery support services, harm reduction services and recovery residences”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchn/a11-5036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchVienna, AustriaHQ recorded Sep 20, 2026201-50034 contacts →

Exact match

“Die Suchthilfe Wien gemeinnützige GmbH, eine Tochtergesellschaft der Sucht- und Drogenkoordination Wien gemeinnützige GmbH, ist für die operative Umsetzung von Teilen des Wiener…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchSudbury, ON, CanadaHQ recorded Sep 20, 202611-5033 contacts →

Exact match

“Réseau ACCESS Network is a non-profit, community-based charitable organization, committed to promoting wellness, harm and risk reduction and education.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchLisburn, United KingdomHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“ASCERT is a Northern Ireland Charity providing services that have been reducing alcohol and drug related harm in our communities since 1998.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20030 contacts →

Exact match

“Realization Center, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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
22Exact matchAsheville, NC, United StatesHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“The Western North Carolina AIDS Project's (WNCAP) mission is to provide equitable access to care and reduce harm from HIV, Hepatitis C, and drug use.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“We envision a world in which drug polices uphold dignity, health and rights.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact 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
25Exact 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

Showing 25 of 329 harm reduction service providers worldwide

See the full list, filter by size, metro and specialty, and access 1,114 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Harm reduction service providers worldwide at a glance

As of Sep 20, 2026
30.3%Verified-email coverage
11.2Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Dublin
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
162
11-50
119
51-200
33
201-500
4
501-1,000
4
1,001-5,000
2

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 service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “harm reduction service providers” 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 1,114 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 service providers by location

2 lists · largest first

Every Harm reduction service providers 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 service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many harm reduction service providers are there worldwide?

RevenueBase identified 329 company matches for harm reduction service providers 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?

PHS Community Services Society tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most harm reduction service providers?

The United States leads with 123 companies, followed by Canada (34). Every harm reduction service providers list by country and city is linked on this page.

Which city has the most harm reduction service providers?

Dublin leads with 5 company records, followed by Philadelphia (5) and Amsterdam (4).

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 1,114 professional contacts with verified work emails tracked across these 329 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.