Company lists · Data refreshed September 2026

Top 25 Pathogen remediation companies based in Canada

Name: Pathogen remediation companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 260 companies tracked

RevenueBase identified 260 pathogen remediation companies headquartered in Canada as of September 2026 and tracks 1,059 professional contacts across them, including 324 with verified work emails. Toronto is the largest hub.

This list covers pathogen remediation companies headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

260Companies

1,059Contacts tracked

324Verified emails

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The 25 largest pathogen remediation companies based in Canada

Ranked by team size

Top 25 of 260 pathogen remediation companies based in Canada, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to pathogen remediation companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	GSF Canada INC	Indirect evidence	Laval, QC, CanadaHQ checked Sep 20, 2026	501-1,000	60 contacts →
	Indirect evidence “GSF a été fondée en 1963, compte plus de 20 employés et 90 succursales dans le monde.” Source: RevenueBase Database · checked Sep 20, 2026
2	Fisher Engineering Limited	Indirect evidence	Markham, ON, CanadaHQ checked Sep 20, 2026	11-50	47 contacts →
	Indirect evidence “Trusted by the Real Estate Industry since 1989, Fisher has successfully remediated hundreds of properties.” Source: RevenueBase Database · checked Sep 20, 2026
3	Mcmillan-Mcgee Corporation	Partial evidence	Calgary, AB, CanadaHQ checked Sep 20, 2026	11-50	32 contacts →
	Partial evidence “VIYA Environmental is a pollution remediation company formed by the strategic alliance of industry pioneers McMillan-McGee (Mc2) and ORIN Technologies (ORIN), and backed by GEF…” Source: RevenueBase Database · checked Sep 20, 2026
4	Proactive Hazmat & Environmental	Indirect evidence	Langley, BC, CanadaHQ checked Sep 20, 2026	51-200	29 contacts →
	Indirect evidence “Proactive Hazmat & Environmental is a trusted hazardous materials abatement contractor based in Langley, BC-serving communities across British Columbia and Western Canada since…” Source: RevenueBase Database · checked Sep 20, 2026
5	Sirem LAB	Partial evidence	Guelph, ON, CanadaHQ checked Sep 20, 2026	11-50	25 contacts →
	Partial evidence “Our Mission: SiREM was founded in 2001 to provide the highest quality testing services and remediation products combined with unparalleled technical support to increase…” Source: RevenueBase Database · checked Sep 20, 2026
6	Canada's Restoration Services	Indirect evidence	Vaughan, ON, CanadaHQ checked Sep 20, 2026	11-50	23 contacts →
	Indirect evidence “Founded in 2008, Canada's Restoration Services is a nationwide company specializing in commercial and residential mold removal, asbestos testing and removal, emergency water…” Source: RevenueBase Database · checked Sep 20, 2026
7	Aztec Renovations & Refit INC	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 20, 2026	51-200	19 contacts →
	Indirect evidence “We believe that Aztec has a responsibility to create a healthy, sustainable and environmentally-sound community.” Source: RevenueBase Database · checked Sep 20, 2026
8	GOT Mold	Indirect evidence	Saskatoon, SK, CanadaHQ checked Sep 20, 2026	11-50	18 contacts →
	Indirect evidence “got mold?™ specializes in Indoor Air Quality.” Source: RevenueBase Database · checked Sep 20, 2026
9	Mold Busters	Indirect evidence	Ottawa, ON, CanadaHQ checked Sep 20, 2026	51-200	18 contacts →
	Indirect evidence “Our mission, at Mold Busters, is to make sure that you and all those you care about have a safe and healthy indoor living environment.” Source: RevenueBase Database · checked Sep 20, 2026
10	Gremac Maintenance	Indirect evidence	Etobicoke, CanadaHQ checked Sep 20, 2026	11-50	17 contacts →
	Indirect evidence “For the past 20 years, we have strived to be consistently outstanding in the level of care and attention we pay to each and every customer we serve.” Source: RevenueBase Database · checked Sep 20, 2026
11	Clean Works	Indirect evidence	St. Catharines, ON, CanadaHQ checked Sep 20, 2026	1-10	16 contacts →
	Indirect evidence “Clean Works is at the forefront of pioneering decontamination solutions that set the industry standard.” Source: RevenueBase Database · checked Sep 20, 2026
12	IQ Environmental INC	Indirect evidence	Millgrove, ON, CanadaHQ checked Sep 20, 2026	11-50	14 contacts →
	Indirect evidence “A member of the Bennett Construction Group family, we are a leader in the removal and disposal of hazardous waste.” Source: RevenueBase Database · checked Sep 20, 2026
13	Sterasure	Indirect evidence	Kitchener, CanadaHQ checked Sep 20, 2026	11-50	14 contacts →
	Indirect evidence “Launched in 2014 with a goal of delivering innovative, evidence-based disinfection products to the Canadian market, Sterasure improves the quality of diverse indoor environments –…” Source: RevenueBase Database · checked Sep 20, 2026
14	HMRS	Indirect evidence	Ottawa, ON, CanadaHQ checked Sep 20, 2026	11-50	14 contacts →
	Indirect evidence “H.M.R.S.” Source: RevenueBase Database · checked Sep 20, 2026
15	Generations Cleaning	Indirect evidence	Oshawa, ON, CanadaHQ checked Sep 20, 2026	51-200	12 contacts →
	Indirect evidence “We are a commercial cleaning company dedicated to providing our clients with exceptional quality services that meet all their specific needs.” Source: RevenueBase Database · checked Sep 20, 2026
16	Dry-It Corp	Partial evidence	Richmond Hill, ON, CanadaHQ checked Sep 20, 2026	11-50	11 contacts →
	Partial evidence “Dryit has been cleaning up the GTA Area for over 27 years and we pride ourselves for being experts in Water Damage Cleanup, Mould Remediation, Fire & Smoke Damage Cleanup, Oil &…” Source: RevenueBase Database · checked Sep 20, 2026
17	Optisolve LTD	Indirect evidence	Peterborough, ON, CanadaHQ checked Sep 20, 2026	1-10	10 contacts →
	Indirect evidence “Optisolve is a technology leader in environmental health and safety, developing solutions to enhance cleaning and disinfection procedures for clean, healthy, and safe spaces.” Source: RevenueBase Database · checked Sep 20, 2026
18	Cleaning 365 Services	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 20, 2026	11-50	10 contacts →
	Indirect evidence “For over 10 years, Cleaning 365 Services has been a trusted name in commercial cleaning across Toronto.” Source: RevenueBase Database · checked Sep 20, 2026
19	NU Trend Construction	Indirect evidence	Vaughan, ON, CanadaHQ checked Sep 20, 2026	51-200	9 contacts →
	Indirect evidence “With over 40 years of industry experience Nu-Trend's reputation speaks for itself when it comes to property, condominium and business related claims.” Source: RevenueBase Database · checked Sep 20, 2026
20	Amity Environmental	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 20, 2026	11-50	9 contacts →
	Indirect evidence “We are a Calgary based company with our team of professionals holding 30+ years of experience in the environmental field, working with both home owners and business, we hold many…” Source: RevenueBase Database · checked Sep 20, 2026
21	Renolux Restore Group	Indirect evidence	Markham, ON, CanadaHQ checked Sep 20, 2026	11-50	8 contacts →
	Indirect evidence “Specialty Cleaning (Trauma Scene, Glycol Clean Up, Grow Ups, Document Drying, Odor and Infection Control)-Reconstruction (Board Up & Tarp Over Services, Waterproofing and…” Source: RevenueBase Database · checked Sep 20, 2026
22	Puroclean Property Restoration Cambridge & KW	Indirect evidence	Cambridge, ON, CanadaHQ checked Sep 20, 2026	11-50	8 contacts →
	Indirect evidence “When property damage occurs, PuroClean Property Restoration is driven to provide an unmatched service experience that is quick, professional and ethical.” Source: RevenueBase Database · checked Sep 20, 2026
23	Mico Restoration & Abatement Services	Partial evidence	Ottawa, ON, CanadaHQ checked Sep 20, 2026	11-50	8 contacts →
	Partial evidence “MICO Restoration: Trusted Experts in Environmental Remediation and Restoration Services Serving the Greater Ottawa Area, MICO specializes in: Asbestos Abatement (Types 1/2/3)…” Source: RevenueBase Database · checked Sep 20, 2026
24	Clean Club Calgary	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 20, 2026	11-50	8 contacts →
	Indirect evidence “You care about the details.” Source: RevenueBase Database · checked Sep 20, 2026
25	Nexxgen Environmental	Partial evidence	Ajax, ON, CanadaHQ checked Sep 20, 2026	11-50	8 contacts →
	Partial evidence “Nexxgen Environmental is a full-service remediation contractor committed to providing proven, customized remediation solutions.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pathogen remediation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pathogen remediation companies.
Partial evidence: Its own public description names part of pathogen remediation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pathogen remediation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 260 pathogen remediation companies based in Canada

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Pathogen remediation companies based in Canada at a glance

As of Sep 20, 2026

30.6%Verified-email coverage

4.1Average contacts per company

11-50Median size (employees)

10.8%Largest-city concentration · Toronto

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

124

11-50

106

51-200

201-500

501-1,000

1,001-5,000

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 260 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pathogen remediation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Canada whose own description of what they do matches “pathogen remediation companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pathogen remediation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pathogen remediation companies, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 324 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Pathogen remediation companies by metro

Pathogen remediation companies in Toronto28

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pathogen remediation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many pathogen remediation companies are there based in Canada?

RevenueBase identified 260 pathogen remediation companies headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

GSF Canada INC, headquartered in Laval, tops this list with the largest team on record.

Which city has the most pathogen remediation companies?

Toronto leads with 28 headquartered companies, followed by Calgary (22) and Edmonton (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 324 verified decision-maker contacts tracked across these 260 companies.

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 Smart Search, 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.