Company lists · Data refreshed September 2026
Top 25 Water quality consulting firms based in Canada
RevenueBase identified 299 water quality consulting firms headquartered in Canada as of September 2026 and tracks 5,020 professional contacts across them, including 2,611 with verified work emails. Calgary is the largest hub.
This list covers water quality consulting firms 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 29, 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.
The 25 largest water quality consulting firms based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 829 contacts → | ||||
Partial evidence “Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 716 contacts → | ||||
Partial evidence “Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 210 contacts → | ||||
Indirect evidence “Since 1976, BluMetric has been delivering innovative and sustainable solutions to complex environmental challenges.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 186 contacts → | ||||
Indirect evidence “PGL Environmental Consultants consistently provides clients with a high level of support and confidence in our environmental management and planning decisions by combining…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 159 contacts → | ||||
Partial evidence “EDI provides you with practical, environmental consulting services, specializing in aquatic and terrestrial sciences.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 126 contacts → | ||||
Indirect evidence “DS Consultants, A BluMetric Company, is a publicly traded company in good standing with the Professional Engineers of Ontario (PEO) and the Association of Professional…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 120 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 108 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 108 contacts → | ||||
Partial evidence “BQE Water is a service provider specializing in water treatment and management for metals mining, smelting and refining.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 89 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 82 contacts → | ||||
Strong evidence “Water Services and Technologies is a provider of leading-edge consulting services and technologies related to groundwater and its interaction with the environment, water resources…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 78 contacts → | ||||
Partial evidence “Kent Water Purification Systems is a leading supplier of water purification systems in the Greater Toronto Area.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 66 contacts → | ||||
Indirect evidence “Avizo est une firme de consultants spécialisés en environnement et en génie civil ayant plus de 30 ans d’expérience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 65 contacts → | ||||
Strong evidence “At MANTECH, we make water quality analysis faster, simpler, greener and more informative.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 60 contacts → | ||||
Indirect evidence “PESCA Environment assists you in the realization of your projects for more than 30 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 55 contacts → | ||||
Partial evidence “Safetech Environmental Limited (Safetech) is a proudly Canadian environmental consulting firm with a national reach.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 54 contacts → | ||||
Partial evidence “At Aquatech Canadian Water Services Inc, we are dedicated to empowering communities, cities, and industries to achieve their water services goals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 46 contacts → | ||||
Indirect evidence “Terrain contaminé, déversement de pétrole ou d’autres matières dangereuses, évaluation de site, prévention des risques et formation en environnement : quel que soit votre enjeu…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 43 contacts → | ||||
Partial evidence “Water & Wastewater Treatment Equipment sales & service for industrial & municipal applications: grinders, screens, conveyors, SBRs, grit removal, aerators, diffusers, blowers…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 41 contacts → | ||||
Partial evidence “For nearly 40 years, OSP has helped Oil & Gas, Fuel, and Water Treatment operators take the guesswork out of microbial control.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 35 contacts → | ||||
Strong evidence “Clear Environmental Solutions ("Clear") is an environmental consulting firm focused on providing waste, water and environmental liability management solutions throughout Western…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 35 contacts → | ||||
Partial evidence “SERVICES, PRODUCTS AND EXPERTISE IN THE WATER TREATMENT INDUSTRY Continental Carbon Group offers a wide range of products, services and expertise in the water and wastewater…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 34 contacts → | ||||
Indirect evidence “On February 1, 2024, XCG became a division of Trace Associates Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 33 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 33 contacts → | ||||
Indirect evidence “Oeuvrant exclusivement dans le domaine de la gestion, l’auscultation, le diagnostic et de l’entretien préventif de réseaux de distribution d’eau potable et d’égouts, Aqua Data…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: water quality consulting firms. 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 water quality consulting firms.
- Partial evidence
- Its own public description names part of water quality consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name water quality consulting firms. 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 299 water quality consulting firms based in Canada
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Water quality consulting firms based in Canada at a glance
As of Sep 29, 2026Companies by employee count
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 299 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 water quality consulting firms, 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 “water quality consulting firms”. 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 water quality consulting firms), 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 water quality consulting firms, 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, 2,611 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 29, 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.
Water quality consulting firms by metro
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 water quality consulting firms, 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 water quality consulting firms are there based in Canada?
RevenueBase identified 299 water quality consulting firms 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?
OVIVO, headquartered in Montreal, tops this list with the largest team on record.
Which city has the most water quality consulting firms?
Calgary leads with 25 headquartered companies, followed by Edmonton (11) and Montreal (10).
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 2,611 verified decision-maker contacts tracked across these 299 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 29, 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.
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