Company lists · Data refreshed September 2026

Top 25 Air compliance consultants based in Canada

Name: Air compliance consultants based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 138 companies tracked

RevenueBase identified 138 air compliance consultants headquartered in Canada as of September 2026 and tracks 1,543 professional contacts across them, including 843 with verified work emails. Calgary is the largest hub.

This list covers air compliance consultants 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 21, 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 21, 2026 86% judged on-target in blind review

138Companies

1,543Contacts tracked

843Verified emails

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The 25 largest air compliance consultants based in Canada

Ranked by team size

Top 25 of 138 air compliance consultants based in Canada, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to air compliance consultants: 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	PGL Environmental Consultants	Partial evidence	Vancouver, BC, CanadaHQ checked Sep 21, 2026	51-200	186 contacts →
	Partial 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 21, 2026
2	Keystone Environmental	Partial evidence	Burnaby, BC, CanadaHQ checked Sep 21, 2026	51-200	158 contacts →
	Partial evidence “Keystone Environmental is a proudly Canadian (owned and operated) full service environmental consultancy helping businesses meet their environmental goals and objectives.” Source: RevenueBase Database · checked Sep 21, 2026
3	BGE Indoor AIR Quality Solutions	Partial evidence	Edmonton, AB, CanadaHQ checked Sep 21, 2026	51-200	108 contacts →
	Partial evidence “AT BGE, WE BELIEVE CLEAN AIR MATTERS BGE Indoor Air Quality Solutions is committed to keeping people healthy in their workplaces, buildings, and communities.” Source: RevenueBase Database · checked Sep 21, 2026
4	Associated Environmental Consultants	Partial evidence	Vernon, BC, CanadaHQ checked Sep 21, 2026	501-1,000	105 contacts →
	Partial evidence “Associated Environmental Consultants are experts in environmental science and management with a passion for our work, our communities, and our environment.” Source: RevenueBase Database · checked Sep 21, 2026
5	North Shore Environmental Consultants INC	Indirect evidence	Sherwood Park, AB, CanadaHQ checked Sep 21, 2026	51-200	89 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
6	Safetech Environmental Limited	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 21, 2026	51-200	55 contacts →
	Indirect evidence “Safetech Environmental Limited (Safetech) is a proudly Canadian environmental consulting firm with a national reach.” Source: RevenueBase Database · checked Sep 21, 2026
7	Envirochem Services INC	Indirect evidence	North Vancouver, BC, CanadaHQ checked Sep 21, 2026	11-50	46 contacts →
	Indirect evidence “We are your trusted environmental advisor since 1984.” Source: RevenueBase Database · checked Sep 21, 2026
8	GCL Environmental LTD	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 21, 2026	11-50	42 contacts →
	Indirect evidence “GCL Environmental Ltd.(GCL) is a results-driven environmental consulting firm.” Source: RevenueBase Database · checked Sep 21, 2026
9	Consulair Gestion AIR ET Environnement	Partial evidence	Québec, CanadaHQ checked Sep 21, 2026	51-200	36 contacts →
	Partial evidence “Consulair est un des leaders canadiens en tout ce qui a trait à la gestion globale de projets pour l’air et l'environnement- Services d'ingénierie des procédés- Échantillonnage…” Source: RevenueBase Database · checked Sep 21, 2026
10	Northwind Land Resources INC	Indirect evidence	Edmonton, AB, CanadaHQ checked Sep 21, 2026	11-50	35 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
11	Story Environmental INC	Indirect evidence	Haileybury, ON, CanadaHQ checked Sep 21, 2026	11-50	28 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
12	X-Terra Environmental Services LTD	Strong evidence	Lloydminster, AB, CanadaHQ checked Sep 21, 2026	11-50	26 contacts →
	Strong evidence “X-Terra Environmental Services Ltd.(X-Terra) is a close network of Environmental Consultants and Professionals committed to serving industry, striving for environmental compliance…” Source: RevenueBase Database · checked Sep 21, 2026
13	T. Harris Environmental Management INC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 21, 2026	11-50	25 contacts →
	Indirect evidence “T.” Source: RevenueBase Database · checked Sep 21, 2026
14	ASE Services Alberta Safety & Environmental Services LTD	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 21, 2026	11-50	24 contacts →
	Indirect evidence “Alberta Safety & Environmental Services is a fully integrated environmental health, safety and hygiene company with several years of professional industry experience.” Source: RevenueBase Database · checked Sep 21, 2026
15	Apex EHS Services	Partial evidence	Kelowna, BC, CanadaHQ checked Sep 21, 2026	11-50	24 contacts →
	Partial evidence “Apex EHS Services is an environmental health and safety consultancy in British Columbia, specializing in hazardous materials surveying, analytical services, safety documentation…” Source: RevenueBase Database · checked Sep 21, 2026
16	EEM EHS Management EEM Gestion ESS	Partial evidence	Montreal, QC, CanadaHQ checked Sep 21, 2026	11-50	20 contacts →
	Partial evidence “EEM EHS Management is an independent consultancy helping clients in the public, private and non-profit sectors in their environmental and health & safety management initiatives.” Source: RevenueBase Database · checked Sep 21, 2026
17	Signet Monitoring & Analysis	Indirect evidence	Red Deer, AB, CanadaHQ checked Sep 21, 2026	11-50	15 contacts →
	Indirect evidence “As part of Spartan Controls, Signet strengthens emissions testing and reliability services by combining unbiased gas skid maintenance recommendations, expert equipment guidance…” Source: RevenueBase Database · checked Sep 21, 2026
18	Q-Air Environmental Controls	Partial evidence	Stoney Creek, ON, CanadaHQ checked Sep 21, 2026	11-50	14 contacts →
	Partial evidence “Q-Air is committed to being the definitive choice in complete solutions to all iin-plant industrial air pollution by providing equipment, systems designs, and on-going services.” Source: RevenueBase Database · checked Sep 21, 2026
19	KH Environmental Consulting INC	Partial evidence	Niagara, ON, CanadaHQ checked Sep 21, 2026	1-10	14 contacts →
	Partial evidence “Supporting industry by providing environmental regulatory compliance services and implementing sustainable compliance programs.” Source: RevenueBase Database · checked Sep 21, 2026
20	DCS Global	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 21, 2026	11-50	13 contacts →
	Indirect evidence “At DCS Global, we support organizations across a wide range of industries and business sectors to achieve cleaner, healthier, more sustainable, cost-effective, and environmentally…” Source: RevenueBase Database · checked Sep 21, 2026
21	Horizon Compliance Group INC	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 21, 2026	11-50	12 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
22	Corvidae Environmental Consulting	Indirect evidence	Sooke, BC, CanadaHQ checked Sep 21, 2026	11-50	12 contacts →
	Indirect evidence “When a quick, practical solution is needed, our team can help you!” Source: RevenueBase Database · checked Sep 21, 2026
23	Jada Solutions HSE INC	Indirect evidence	Edmonton, AB, CanadaHQ checked Sep 21, 2026	11-50	11 contacts →
	Indirect evidence “JADA Solutions (HSE) Inc.” Source: RevenueBase Database · checked Sep 21, 2026
24	JFM Environmental Limited	Indirect evidence	London, ON, CanadaHQ checked Sep 21, 2026	1-10	10 contacts →
	Indirect evidence “JFM Environmental Limited is a London Ontario based environmental consulting firm.” Source: RevenueBase Database · checked Sep 21, 2026
25	Lehder Environmental Services	Partial evidence	Point Edward, ON, CanadaHQ checked Sep 21, 2026	11-50	10 contacts →
	Partial evidence “LEHDER Environmental Services is an environmental consulting company focused on providing Excellence in Industrial Air Quality Services.” Source: RevenueBase Database · checked Sep 21, 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: air compliance consultants. 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 air compliance consultants.
Partial evidence: Its own public description names part of air compliance consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name air compliance consultants. 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 138 air compliance consultants based in Canada

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Air compliance consultants based in Canada at a glance

As of Sep 21, 2026

54.6%Verified-email coverage

11.2Average contacts per company

1-10Median size (employees)

16.7%Largest-city concentration · Calgary

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 138 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 air compliance consultants, 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 “air compliance consultants”. 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 air compliance consultants), 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 air compliance consultants, 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, 843 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 21, 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 air compliance consultants, 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 air compliance consultants are there based in Canada?

RevenueBase identified 138 air compliance consultants 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?

PGL Environmental Consultants, headquartered in Vancouver, tops this list with the largest team on record.

Which city has the most air compliance consultants?

Calgary leads with 23 headquartered companies, followed by Edmonton (11) and Montreal (11).

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 843 verified decision-maker contacts tracked across these 138 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 21, 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.