Company lists · Data refreshed September 2026

Top 25 Industrial hygiene consultancies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 19,277 companies tracked

RevenueBase identified 19,277 company matches for industrial hygiene consultancies worldwide as of September 2026 and tracks 186,541 professional contacts across them, including 41,331 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for industrial hygiene consultancies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for industrial hygiene consultancies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

19,277Companies

186,541Contacts tracked

41,331Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest industrial hygiene consultancies worldwide

Ranked by team size

Top 25 of 19,277 company matches for industrial hygiene consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Autonomo	Exact match	Córdoba, SpainHQ recorded Sep 28, 2026	n/a	23,018 contacts →
	Exact match “Calidad y Gestión es una empresa consultora de ámbito internacional especializada en servicios de asesoría en las siguientes áreas: Calidad Medio Ambiente Responsabilidad social…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Total Safety	Exact match	Pasadena, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,650 contacts →
	Exact match “Total Safety is the world's premier provider of integrated safety and compliance services and the products necessary to support them, including gas detection, respiratory…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Exponent	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,560 contacts →
	Exact match “In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Sep 28, 2026	n/a	1,176 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,088 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	IEA	Exact match	Brooklyn Park, MN, United StatesHQ recorded Sep 28, 2026	n/a	982 contacts →
	Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Pinchin In Canada	Exact match	Mississauga, ON, CanadaHQ recorded Sep 28, 2026	1,001-5,000	895 contacts →
	Exact match “Pinchin Ltd.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	ATC Group Services LLC	Exact match	Lafayette, LA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	865 contacts →
	Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Alpes Contrôles	Exact match	Sites, FranceHQ recorded Sep 28, 2026	501-1,000	799 contacts →
	Exact match “Alpes Contrôles accompagne ses clients sur la conformité réglementaire des ouvrages, installations, équipements produits et services soumis à des exigences réglementaires.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Contract Resources PTY LTD	Exact match	Perth, United StatesHQ recorded Sep 28, 2026	501-1,000	741 contacts →
	Exact match “Contract Resources have been providing specialised industrial services for over 30 years to the heavy process industries in Australia, New Zealand and the Middle East.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	IDEWE	Exact match	Heverlee, BelgiumHQ recorded Sep 28, 2026	1,001-5,000	662 contacts →
	Exact match “How do you keep employees healthy, safe and able to work over the long term?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Antea Group USA	Exact match	St Paul, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	658 contacts →
	Exact match “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Trihydro Corporation	Exact match	Laramie, WY, United StatesHQ recorded Sep 28, 2026	501-1,000	577 contacts →
	Exact match “Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	ITGA	Exact match	Saint-grégoire, FranceHQ recorded Sep 28, 2026	501-1,000	557 contacts →
	Exact match “ITGA, entreprise nationale fondée en 1994, dont le siège social est situé à Rennes, accompagne depuis 30 ans, tous les professionnels dans la résolution optimale de leurs…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 28, 2026	201-500	540 contacts →
	Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	MAS Prevención	Exact match	Zaragoza, SpainHQ recorded Sep 28, 2026	501-1,000	522 contacts →
	Exact match “We seek to offer a global vision of people's health, beyond their job position.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Service Engenharia	Exact match	Salvador, BrazilHQ recorded Sep 28, 2026	1,001-5,000	519 contacts →
	Exact match “A SERVICE Engenharia é uma empresa de prestação de serviços de Consultoria, Planejamento, Administração, Fiscalização, Manutenção, Construção e Montagem Industrial, atuando em…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	LX Argentina S.A	Exact match	Ciudad Autónoma De Buenos Aires, ArgentinaHQ recorded Sep 28, 2026	1,001-5,000	484 contacts →
	Exact match “We are a company that provides industrial cleaning, maintenance and induatrial hygiene.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Rincon Consultants	Exact match	Ventura, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	479 contacts →
	Exact match “Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Ensafe	Exact match	Memphis, TN, United StatesHQ recorded Sep 28, 2026	201-500	463 contacts →
	Exact match “Innovation is not happenstance at EnSafe Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Sep 28, 2026	201-500	433 contacts →
	Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Shoes PTY LTD	Exact match	AustraliaHQ recorded Sep 28, 2026	n/a	419 contacts →
	Exact match “SHOES provides safety, health, operational, environmental and systems advice to small and medium sized organisation across Australia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Amphos 21	Exact match	Barcelona, SpainHQ recorded Sep 28, 2026	201-500	418 contacts →
	Exact match “Founded in 1994, in Barcelona, Spain, Amphos21 includes three companies in Spain (1994), Chile (2009) and Peru (2012).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	MES	Exact match	Leatherhead, United KingdomHQ recorded Sep 28, 2026	201-500	403 contacts →
	Exact match “Monaco Engineering Solutions (MES) is a specialised technical consultancy with a focus in the Oil & Gas, Petrochemical and Refining, Renewable & Clean Energy, Chemical…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “industrial hygiene consultancies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 19,277 industrial hygiene consultancies worldwide

See the full list, filter by size, metro and specialty, and access 41,331 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Industrial hygiene consultancies worldwide at a glance

As of Sep 28, 2026

22.2%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

12,450

11-50

5,284

51-200

1,130

201-500

229

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for industrial hygiene consultancies are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial hygiene consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 41,331 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Industrial hygiene consultancies by location

63 lists · largest first

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

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “industrial hygiene consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial hygiene consultancies are there worldwide?

RevenueBase identified 19,277 company matches for industrial hygiene consultancies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Autonomo tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most industrial hygiene consultancies?

Brazil leads with 3,212 companies, followed by the United States (2,130) and Italy (1,435). Every industrial hygiene consultancies list by country and city is linked on this page.

Which city has the most industrial hygiene consultancies?

Sao Paulo leads with 383 company records, followed by Lima (186) and Rio De Janeiro (129).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 41,331 professional contacts with verified work emails tracked across these 19,277 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 19,277 industrial hygiene consultancies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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 SmartSearch, 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.