Company lists · Data refreshed September 2026

Top 25 Medical testing laboratories based in Canada

Name: Medical testing laboratories based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 84 companies tracked

RevenueBase identified 84 medical testing laboratories headquartered in Canada as of September 2026 and tracks 6,316 professional contacts across them, including 2,610 with verified work emails. Calgary is the largest hub.

This list covers medical testing laboratories 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 17, 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 17, 2026 86% judged on-target in blind review

84Companies

6,316Contacts tracked

2,610Verified emails

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The 25 largest medical testing laboratories based in Canada

Ranked by team size

Top 25 of 84 medical testing laboratories based in Canada, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to medical testing laboratories: 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	Lifelabs Medical Laboratory Services	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 17, 2026	5,001-10,000	3,469 contacts →
	Indirect evidence “LifeLabs is Canada’s leading provider of laboratory diagnostic information and digital health connectivity systems, enabling patients and healthcare practitioners to diagnose…” Source: RevenueBase Database · checked Sep 17, 2026
2	Cellcarta	Strong evidence	Montreal, QC, CanadaHQ checked Sep 17, 2026	501-1,000	760 contacts →
	Strong evidence “As a global leader in precision medicine testing services, we partner with our clients to address the most complex biomarker and bioanalytical challenges and deliver highly…” Source: RevenueBase Database · checked Sep 17, 2026
3	Calgary Laboratory Services	Partial evidence	Calgary, AB, CanadaHQ checked Sep 17, 2026	1,001-5,000	375 contacts →
	Partial evidence “Calgary Laboratory Services (CLS) is a medical diagnostic laboratory that offers a full range of laboratory services to Calgary and parts of Southern Alberta.” Source: RevenueBase Database · checked Sep 17, 2026
4	EORLA	Indirect evidence	Ottawa, ON, CanadaHQ checked Sep 17, 2026	501-1,000	325 contacts →
	Indirect evidence “The Eastern Ontario Regional Laboratory Association (EORLA) is a member-owned, non-profit organization encompassing the operation of 19 licensed, acute-care, hospital-based…” Source: RevenueBase Database · checked Sep 17, 2026
5	Vital BIO	Indirect evidence	Oakville, ON, CanadaHQ checked Sep 17, 2026	51-200	221 contacts →
	Indirect evidence “Vital was created to enable proactive, preventative, and accessible healthcare.” Source: RevenueBase Database · checked Sep 17, 2026
6	Alpha Labs	Indirect evidence	North York, ON, CanadaHQ checked Sep 17, 2026	201-500	160 contacts →
	Indirect evidence “Alpha is a diverse healthcare services company.” Source: RevenueBase Database · checked Sep 17, 2026
7	MED Health Laboratories LTD	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 17, 2026	51-200	87 contacts →
	Indirect evidence “Med Health Laboratory is a community laboratory with excellent, proud and committed staff to benchmark MHL service performance with best industry practices.” Source: RevenueBase Database · checked Sep 17, 2026
8	In-Common Laboratories ICL	Partial evidence	North York, ON, CanadaHQ checked Sep 17, 2026	51-200	64 contacts →
	Partial evidence “In-Common Laboratories (ICL) is a national lab referral service focused on quality, access and affordability.” Source: RevenueBase Database · checked Sep 17, 2026
9	Somagen Diagnostics	Indirect evidence	Edmonton, AB, CanadaHQ checked Sep 17, 2026	51-200	57 contacts →
	Indirect evidence “Delivering a Better Healthcare Journey.” Source: RevenueBase Database · checked Sep 17, 2026
10	Medical Laboratories Of Windsor	Partial evidence	Windsor, ON, CanadaHQ checked Sep 17, 2026	51-200	55 contacts →
	Partial evidence “Windsor's original medical laboratory provider.” Source: RevenueBase Database · checked Sep 17, 2026
11	Icentia INC	Indirect evidence	Quebec, CanadaHQ checked Sep 17, 2026	51-200	53 contacts →
	Indirect evidence “Icentia combine des activités de développement d'appareils médicaux et de services d'analyse.” Source: RevenueBase Database · checked Sep 17, 2026
12	Canadian Analytical Laboratories	Strong evidence	Mississauga, ON, CanadaHQ checked Sep 17, 2026	11-50	52 contacts →
	Strong evidence “Canadian Analytical Laboratories (CAL) is a Contact Analytical Testing Laboratory.” Source: RevenueBase Database · checked Sep 17, 2026
13	Iqmh Institute For Quality Management In Healthcare	Strong evidence	Toronto, ON, CanadaHQ checked Sep 17, 2026	11-50	44 contacts →
	Strong evidence “With over 50 years’ experience, IQMH Proficiency Testing is one of Canada’s largest providers of medical laboratory proficiency testing, accredited by the American Association for…” Source: RevenueBase Database · checked Sep 17, 2026
14	Vivitro Labs INC	Partial evidence	Victoria, BC, CanadaHQ checked Sep 17, 2026	11-50	32 contacts →
	Partial evidence “ViVitro Labs offers industry-leading cardiovascular test equipment and related laboratory testing and consulting services with facilities in Victoria BC, Canada, and Marseilles…” Source: RevenueBase Database · checked Sep 17, 2026
15	ILS Pharmaceutical	Indirect evidence	Laval, QC, CanadaHQ checked Sep 17, 2026	11-50	21 contacts →
	Indirect evidence “Quality Through Partnership.” Source: RevenueBase Database · checked Sep 17, 2026
16	Flowlabs Medical Laboratory	Partial evidence	Oshawa, ON, CanadaHQ checked Sep 17, 2026	1-10	19 contacts →
	Partial evidence “FlowLabs: Specialty Medical Diagnostic Services FlowLabs, Canada’s first and most advanced specialty medical lab, provides anatomical and clinical pathology laboratory services…” Source: RevenueBase Database · checked Sep 17, 2026
17	Labs-Mart INC	Partial evidence	Edmonton, AB, CanadaHQ checked Sep 17, 2026	11-50	15 contacts →
	Partial evidence “Labs-Mart is an ISO 17025-certified and cGMP-licensed analytical testing laboratory specializing in natural health products and supplements testing.” Source: RevenueBase Database · checked Sep 17, 2026
18	Citizen Care Health Solutions	Indirect evidence	Toronto, CanadaHQ checked Sep 17, 2026	11-50	12 contacts →
	Indirect evidence “Citizen Care Health Solutions (CCHS) is on a mission to personalize and simplify access to quality healthcare, enabling citizens to achieve better health outcomes where they are.” Source: RevenueBase Database · checked Sep 17, 2026
19	Oncohelix	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 17, 2026	11-50	12 contacts →
	Indirect evidence “At OncoHelix, we're proud to be recognized as Canada's leading precision diagnostics laboratory, boasting an unmatched selection of clinically-validated panels and advanced…” Source: RevenueBase Database · checked Sep 17, 2026
20	MK Medical Specialists And Diagnostics Services	Partial evidence	Burlington, ON, CanadaHQ checked Sep 17, 2026	1-10	10 contacts →
	Partial evidence “MK Medical Specialist and Diagnostics Services is a highly respected and an elite team of professionals with surplus of 20 years of experience.” Source: RevenueBase Database · checked Sep 17, 2026
21	LES Laboratoires BNK INC	Indirect evidence	Mont-royal, QC, CanadaHQ checked Sep 17, 2026	11-50	9 contacts →
	Indirect evidence “L’expertise diagnostique à votre portée.” Source: RevenueBase Database · checked Sep 17, 2026
22	N.H.P. Laboratories INC	Indirect evidence	Vaudreuil-dorion, QC, CanadaHQ checked Sep 17, 2026	11-50	8 contacts →
	Indirect evidence “N.H.P.” Source: RevenueBase Database · checked Sep 17, 2026
23	BDX Enviro Bioscision Diagnostics	Indirect evidence	Winnipeg, MB, CanadaHQ checked Sep 17, 2026	1-10	7 contacts →
	Indirect evidence “Centrally-located in Canada, Professional, Affordable.” Source: RevenueBase Database · checked Sep 17, 2026
24	Sterilabs	Strong evidence	Mississauga, ON, CanadaHQ checked Sep 17, 2026	1-10	6 contacts →
	Strong evidence “SteriLabs™ has been in operations as a provider of laboratory testing and expert advisory services to medical device and pharmaceutical industries since 2016.” Source: RevenueBase Database · checked Sep 17, 2026
25	Geneticks	Partial evidence	Pefferlaw, ON, CanadaHQ checked Sep 17, 2026	1-10	6 contacts →
	Partial evidence “Geneticks Canada is a private laboratory offering tick testing for the presence of tick-borne pathogens.” Source: RevenueBase Database · checked Sep 17, 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: medical testing laboratories. 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 medical testing laboratories.
Partial evidence: Its own public description names part of medical testing laboratories, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name medical testing laboratories. 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 84 medical testing laboratories based in Canada

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Medical testing laboratories based in Canada at a glance

As of Sep 17, 2026

41.3%Verified-email coverage

75.2Average contacts per company

11-50Median size (employees)

10.7%Largest-city concentration · Calgary

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 84 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 medical testing laboratories, 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 “medical testing laboratories”. 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 medical testing laboratories), 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 medical testing laboratories, 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, 2,610 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 17, 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.

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 medical testing laboratories, 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 medical testing laboratories are there based in Canada?

RevenueBase identified 84 medical testing laboratories 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?

Lifelabs Medical Laboratory Services, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most medical testing laboratories?

Calgary leads with 9 headquartered companies, followed by Toronto (8) and Mississauga (7).

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 2,610 verified decision-maker contacts tracked across these 84 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 17, 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.