Company lists · Data refreshed September 2026

Top 21 Harm reduction service providers based in Canada

RevenueBase identified 34 company matches for harm reduction service providers associated with Canada as of September 2026 and tracks 756 professional contacts across them, including 353 with verified work emails. Montreal is the largest hub.

This list covers company matches for harm reduction service providers associated with Canada, 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.

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
34Companies
756Contacts tracked
353Verified emails
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The 21 largest harm reduction service providers based in Canada

Ranked by team size
Top 21 of 34 company matches for harm reduction service providers based in Canada, 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 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
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact matchSt. Catharines, ON, CanadaHQ recorded Sep 20, 202611-5019 contacts →

Exact match

“Positive Living Niagara, is a non-profit organization committed to creating a community that accepts and supports those at-risk and affected by HIV, Hepatitis C Virus (HCV)…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchMontréal, QC, CanadaHQ recorded Sep 20, 202651-20016 contacts →

Exact match

“À propos de CACTUS Montréal - Partenaire du réseau de la Santé et des Services sociaux Montréalais, CACTUS Montréal est un organisme communautaire de prévention des infections…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Maggie's Toronto Sex Workers Action Project is the nation's oldest sex worker justice initiative offering wrap-around supports to current and former sex workers across Toronto and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchYork, ON, CanadaHQ recorded Sep 20, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchWinnipeg, MB, CanadaHQ recorded Sep 20, 202611-5012 contacts →

Exact match

“The MHRN and all of our sites are located on Indigenous land.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchVanier, ON, CanadaHQ recorded Sep 20, 202611-5012 contacts →

Exact match

“Recovery Care was founded in 2018 with the intent to provide patients and the community with a holistic approach to substance use disorders.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchVancouver, BC, CanadaHQ recorded Sep 20, 20261-1012 contacts →

Exact match

“At The J Healthcare Initiative, our mission is to address the toxic drug crisis by empowering drug users’ healthcare choices which we can achieve by systematic policy work, harm…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202611-5011 contacts →

Exact match

“Providing low-barrier Healthcare, and Social Services through a harm reduction lense to the homeless & under-housed community in Toronto since 1986.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchSt-jérôme, QC, CanadaHQ recorded Sep 20, 202611-509 contacts →

Exact match

“The DISPENSARY is a community health center that offers a sustained activist response to HIV, hepatitis and other STIs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchRed Deer, AB, CanadaHQ recorded Sep 20, 202651-2007 contacts →

Exact match

“Non-profit delivering Harm Reduction & STBBI Prevention support to Central Alberta.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchVictoria, BC, CanadaHQ recorded Sep 20, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchHalifax, NS, CanadaHQ recorded Sep 20, 20261-105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchMission, BC, CanadaHQ recorded Sep 20, 202611-504 contacts →

Exact match

“Fraser House Society was founded on October 13, 1967.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchLethbridge, AB, CanadaHQ recorded Sep 20, 20261-102 contacts →

Exact match

Recorded description not available.

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

Showing 21 of 34 harm reduction service providers based in Canada

See the full list, filter by size, metro and specialty, and access 353 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Harm reduction service providers based in Canada at a glance

As of Sep 20, 2026
46.7%Verified-email coverage
22.2Average contacts per company
11-50Median size (employees)
11.8%Largest-city concentration · Montreal
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
16
51-200
4
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 34 companies.

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.
What qualifies
Company records associated with Canada 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 353 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.

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 based in Canada?

RevenueBase identified 34 company matches for harm reduction service providers associated with Canada 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 city has the most harm reduction service providers?

Montreal leads with 4 company records, followed by Toronto (3) and Winnipeg (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 353 professional contacts with verified work emails tracked across these 34 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.