Company lists · Data refreshed September 2026

Top 25 Industrial hygiene consultants worldwide

Name: Industrial hygiene consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 4,691 companies tracked

RevenueBase identified 4,691 industrial hygiene consultants worldwide as of September 2026 and tracks 39,339 professional contacts across them, including 10,533 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers industrial hygiene consultants worldwide, 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. Country and city lists for industrial hygiene consultants follow the table.

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

4,691Companies

39,339Contacts tracked

10,533Verified emails

0Mobile numbers

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The 25 largest industrial hygiene consultants worldwide

Ranked by team size

Top 25 of 4,691 industrial hygiene consultants worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial hygiene 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	Pinchin In Canada	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 17, 2026	1,001-5,000	895 contacts →
	Indirect evidence “Pinchin Ltd.” Source: RevenueBase Database · checked Sep 17, 2026
2	Antea Group USA	Indirect evidence	St Paul, MN, United StatesHQ checked Sep 17, 2026	1,001-5,000	658 contacts →
	Indirect evidence “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Source: RevenueBase Database · checked Sep 17, 2026
3	LX Argentina S.A	Strong evidence	Ciudad Autónoma De Buenos Aires, ArgentinaHQ checked Sep 17, 2026	1,001-5,000	484 contacts →
	Strong evidence “We are a company that provides industrial cleaning, maintenance and induatrial hygiene.” Source: RevenueBase Database · checked Sep 17, 2026
4	Ensafe	Indirect evidence	Memphis, TN, United StatesHQ checked Sep 17, 2026	201-500	463 contacts →
	Indirect evidence “Innovation is not happenstance at EnSafe Inc.” Source: RevenueBase Database · checked Sep 17, 2026
5	Monsertec Engenharia	Indirect evidence	Davila, BrazilHQ checked Sep 17, 2026	1,001-5,000	343 contacts →
	Indirect evidence “Serviços especializados para construção não especificados anteriormente” Source: RevenueBase Database · checked Sep 17, 2026
6	All4	Indirect evidence	Kimberton, PA, United StatesHQ checked Sep 17, 2026	201-500	331 contacts →
	Indirect evidence “ALL4 is a global consulting firm committed to shaping a sustainable future through innovative environmental, health, and safety (EHS) and digital solutions.” Source: RevenueBase Database · checked Sep 17, 2026
7	Tecnologie D'impresa SRL	Indirect evidence	Cabiate, ItalyHQ checked Sep 17, 2026	201-500	226 contacts →
	Indirect evidence “TECNOLOGIE D'IMPRESA opera dal 1985 per fusione di realtà presenti dal 1977 nel campo dell'assistenza, della gestione e della risoluzione di problematiche relative alla…” Source: RevenueBase Database · checked Sep 17, 2026
8	Hillmann Consulting, LLC	Partial evidence	Union, NJ, United StatesHQ checked Sep 17, 2026	201-500	209 contacts →
	Partial evidence “Hillmann has been a well-recognized leader in the Environmental Health & Safety, Due Diligence & Remediation Management, and Construction Services industries since 1985.” Source: RevenueBase Database · checked Sep 17, 2026
9	BLR	Indirect evidence	Brentwood, TN, IndiaHQ checked Sep 17, 2026	51-200	185 contacts →
	Indirect evidence “BLR serves as a trusted partner for HR and EHS teams, leveraging nearly 50 years of compliance expertise to provide businesses with the guidance needed to navigate regulatory…” Source: RevenueBase Database · checked Sep 17, 2026
10	Forensic Analytical Consulting Services, INC	Indirect evidence	Hayward, CA, United StatesHQ checked Sep 17, 2026	51-200	172 contacts →
	Indirect evidence “With a staff of over 150 employees in the San Francisco, Sacramento, Los Angeles, San Diego, Modesto, Bakersfield, Fresno, Portland, Chicago, and Grand Rapids offices, Forensic…” Source: RevenueBase Database · checked Sep 17, 2026
11	Environmental Health & Engineering	Indirect evidence	Newton, MA, United StatesHQ checked Sep 17, 2026	51-200	170 contacts →
	Indirect evidence “EH & E delivers integrated environmental, engineering, and health and safety solutions that help businesses and institutions safeguard their assets, improve operations and boost…” Source: RevenueBase Database · checked Sep 17, 2026
12	Previne Engenharia & Gestão DE Riscos	Indirect evidence	Maceió, BrazilHQ checked Sep 17, 2026	201-500	169 contacts →
	Indirect evidence “A Previne é uma empresa 100% brasileira com atuação na área de consultoria em saúde, segurança e meio ambiente (SSMA), higiene ocupacional e gerenciamento de riscos com…” Source: RevenueBase Database · checked Sep 17, 2026
13	U.S. Compliance Environmental, Health & Safety Consulting	Indirect evidence	Excelsior, MN, IndiaHQ checked Sep 17, 2026	51-200	165 contacts →
	Indirect evidence “The leader in environmental, health and safety compliance solutions.” Source: RevenueBase Database · checked Sep 17, 2026
14	Tennaxia	Partial evidence	Paris, FranceHQ checked Sep 17, 2026	51-200	165 contacts →
	Partial evidence “Since 2001 Tennaxia has accompanied industrial companies who are committed to a Corporate and Environmental Responsibility approach and/or who are facing challenges concerning…” Source: RevenueBase Database · checked Sep 17, 2026
15	Tetra Consulting	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	153 contacts →
	Indirect evidence “At Tetra, we make buildings safer for people.” Source: RevenueBase Database · checked Sep 17, 2026
16	Keramida INC	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 17, 2026	51-200	152 contacts →
	Indirect evidence “Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.” Source: RevenueBase Database · checked Sep 17, 2026
17	Vardan Envirolab LLP	Indirect evidence	Gurugram, IndiaHQ checked Sep 17, 2026	201-500	142 contacts →
	Indirect evidence “Vardan EnviroNet is an organization of senior state and central government retired officers from various departments like Pollution Control Board, Mines & Geology, Public Sector…” Source: RevenueBase Database · checked Sep 17, 2026
18	LE Groupe Gesfor Poirier Pinchin INC	Indirect evidence	Montréal, QC, CanadaHQ checked Sep 17, 2026	51-200	141 contacts →
	Indirect evidence “LE GROUPE GESFOR POIRIER, PINCHIN INC.” Source: RevenueBase Database · checked Sep 17, 2026
19	Ensolum, LLC	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 17, 2026	51-200	136 contacts →
	Indirect evidence “OUR MISSION is to combine sustainable environmental solutions with forward-thinking, cost-effective, innovative, and value-added technologies that balance our clients’ economic…” Source: RevenueBase Database · checked Sep 17, 2026
20	Syso Consultoria SAS	Indirect evidence	Bogotá, ColombiaHQ checked Sep 17, 2026	51-200	129 contacts →
	Indirect evidence “Brindamos soluciones integrales en seguridad y salud en el trabajo.” Source: RevenueBase Database · checked Sep 17, 2026
21	DS Consultants LTD	Partial evidence	Vaughan, ON, CanadaHQ checked Sep 17, 2026	51-200	126 contacts →
	Partial 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 17, 2026
22	Contec AQS	Indirect evidence	Verona, ItalyHQ checked Sep 17, 2026	51-200	118 contacts →
	Indirect evidence “Contec AQS provides technical consulting services in the field of workplace safety-both in companies and on construction sites (Italian legislation D.lgs 81/08)- as well as…” Source: RevenueBase Database · checked Sep 17, 2026
23	Institute Of Occupational Medicine IOM	Partial evidence	Edinburgh, United KingdomHQ checked Sep 17, 2026	51-200	116 contacts →
	Partial evidence “We are a long-standing, independent organisation which offers research, consulting and services in occupational and environmental health, asbestos services, workplace hygiene and…” Source: RevenueBase Database · checked Sep 17, 2026
24	Bradley Environmental Consultants Limited	Partial evidence	Halesowen, United KingdomHQ checked Sep 17, 2026	51-200	113 contacts →
	Partial evidence “Bradley Environmental, Powered by Vadella, is one of the UK's leading asbestos, environmental and health and safety consultancies.” Source: RevenueBase Database · checked Sep 17, 2026
25	Yordas Group	Indirect evidence	Lancaster, United KingdomHQ checked Sep 17, 2026	51-200	112 contacts →
	Indirect evidence “In 2026, Yordas Group was acquired by 3E, the leading global provider of expert-led AI compliance solutions for chemical and workplace safety, product stewardship, and sustainable…” 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: industrial hygiene 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 industrial hygiene consultants.
Partial evidence: Its own public description names part of industrial hygiene consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial hygiene 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 4,691 industrial hygiene consultants worldwide

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Industrial hygiene consultants worldwide at a glance

As of Sep 17, 2026

26.8%Verified-email coverage

8.4Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · Sao Paulo

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

3,022

11-50

1,350

51-200

251

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 industrial hygiene 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.
Coverage: 19 countries, largest first: the United States, Brazil, Italy, Mexico, Argentina, Canada, Peru, the United Kingdom, Australia, France and 9 more. Country and city lists for industrial hygiene consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “industrial hygiene 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 industrial hygiene 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 industrial hygiene consultants, and records with no verified work email.
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, 10,533 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.

Industrial hygiene consultants by location

20 lists · largest first

Every Industrial hygiene consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Industrial hygiene consultants based in Sao Paulo, Brazil120

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 industrial hygiene 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 industrial hygiene consultants are there worldwide?

RevenueBase identified 4,691 industrial hygiene consultants worldwide 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?

Pinchin In Canada, headquartered in Mississauga, tops this list with the largest team on record.

Which country has the most industrial hygiene consultants?

The United States leads with 1,076 companies, followed by Brazil (1,050) and Italy (504). Every industrial hygiene consultants list by country and city is linked on this page.

Which city has the most industrial hygiene consultants?

Sao Paulo leads with 120 headquartered companies, followed by Lima (76) and Rio De Janeiro (38).

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 10,533 verified decision-maker contacts tracked across these 4,691 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.