Company lists · Data refreshed November 2026

Top 25 Industrial hygiene assessment services worldwide

RevenueBase identified 9,479 company matches for industrial hygiene assessment services worldwide as of November 2026 and tracks 82,453 professional contacts across them, including 19,320 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for industrial hygiene assessment services 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 November 6, 2026. Country and city lists for industrial hygiene assessment services 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 Nov 6, 2026 How this list was built
9,479Companies
82,453Contacts tracked
19,320Verified emails
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The 25 largest industrial hygiene assessment services worldwide

Ranked by team size
Top 25 of 9,479 company matches for industrial hygiene assessment services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPasadena, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,855 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSites, FranceHQ recorded Nov 6, 2026501-1,000841 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPerth, United StatesHQ recorded Nov 6, 2026501-1,000778 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 20261,001-5,000693 contacts →

Exact match

“Pinchin Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSt. Paul, MD, United StatesHQ recorded Nov 6, 20261,001-5,000649 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 20261,001-5,000580 contacts →

Exact match

“We are a company that provides industrial cleaning, maintenance and induatrial hygiene.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBurlington, CA, United StatesHQ recorded Nov 6, 2026501-1,000553 contacts →

Exact match

“EBI Consulting is a national environmental and engineering consulting firm helping asset owners, investors, lenders, operators, and telecom infrastructure providers protect value…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMemphis, TN, United StatesHQ recorded Nov 6, 2026201-500470 contacts →

Exact match

“Innovation is not happenstance at EnSafe Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKimberton, TX, United StatesHQ recorded Nov 6, 2026201-500381 contacts →

Exact match

“ALL4 is a global consulting firm committed to shaping a sustainable future through innovative environmental, health, and safety (EHS) and digital solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChâteau-gontier, FranceHQ recorded Nov 6, 2026201-500370 contacts →

Exact match

“ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOverland Park, KS, United StatesHQ recorded Nov 6, 2026201-500317 contacts →

Exact match

“Examinetics is the leading provider of occupational health solutions, offering services across the entire employee lifecycle with several delivery methods.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Nov 6, 20261,001-5,000310 contacts →

Exact match

“Europreven ofrece una amplia cobertura a todo el territorio nacional con una red asistencial propia de más de 70 centros y unidades móviles con el fin de acercarnos a nuestro…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026201-500286 contacts →

Exact match

“1996 yılında kurulan Şirketler DETAM Grubu, 500 kişiden oluşan deneyimli ekibi ile geniş bir hizmet kapsamı sunan Türkiye'nin önde gelen İş Sağlığı ve Güvenliği Danışmanlık…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHouston, CA, United StatesHQ recorded Nov 6, 2026201-500281 contacts →

Exact match

“GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Miguel, ChileHQ recorded Nov 6, 2026201-500263 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCastellon, SpainHQ recorded Nov 6, 2026201-500244 contacts →

Exact match

“IPROMA is one of the leading companies in the fields of environmental laboratory analysis, technical advice and industrial hygiene.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSilkeborg, DenmarkHQ recorded Nov 6, 2026201-500240 contacts →

Exact match

“Dansk Miljørådgivning A/S (DMR) er et rådgivende ingeniørfirma, der yder rådgivning indenfor bl.a:* forureningsundersøgelser og udarbejdelse af risikovurderinger.* oprensning af…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCabiate, ItalyHQ recorded Nov 6, 2026201-500232 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchUnion, OR, United StatesHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“Hillmann has been a well-recognized leader in the Environmental Health & Safety, Due Diligence & Remediation Management, and Construction Services industries since 1985.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Since 1976, BluMetric has been delivering innovative and sustainable solutions to complex environmental challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-200201 contacts →

Exact match

“Somos especialistas em Medicina e Segurança do Trabalho, com presença nacional e soluções completas para a saúde ocupacional da sua empresa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202651-200199 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSão José, BrazilHQ recorded Nov 6, 202651-200197 contacts →

Exact match

“Com vasta experiência no mercado de medicina ocupacional, apresentamos aos nossos clientes um conjunto de soluções voltadas para a melhoria da condição de saúde do trabalhador.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAlcester, United KingdomHQ recorded Nov 6, 2026501-1,000193 contacts →

Exact match

“Rock Compliance is a progressive company in the Water, Air and Asbestos compliance markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKallang, SingaporeHQ recorded Nov 6, 20261,001-5,000193 contacts →

Exact match

“WSH Experts Pte Ltd established in Singapore to provide integrated services to the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 9,479 industrial hygiene assessment services worldwide

See the full list, filter by size, metro and specialty, and access 19,320 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial hygiene assessment services worldwide at a glance

As of Nov 6, 2026
23.4%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
5,978
11-50
2,689
51-200
551
201-500
105
501-1,000
25
1,001-5,000
17
5,001-10,000
6
10001+
5

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 assessment services are linked below.
What qualifies
Company records worldwide whose business descriptions match “industrial hygiene assessment services” 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 19,320 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 November 6, 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 assessment services by location

32 lists · largest first

Every Industrial hygiene assessment services 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 assessment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial hygiene assessment services are there worldwide?

RevenueBase identified 9,479 company matches for industrial hygiene assessment services worldwide as of November 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?

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

Which country has the most industrial hygiene assessment services?

Brazil leads with 1,719 companies, followed by the United States (1,467) and Italy (608). Every industrial hygiene assessment services list by country and city is linked on this page.

Which city has the most industrial hygiene assessment services?

Sao Paulo leads with 212 company records, followed by Lima (95) and Istanbul (59).

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 19,320 professional contacts with verified work emails tracked across these 9,479 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 November 6, 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 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.