Company lists · Data refreshed October 2026

Top 25 Hazmat medical surveillance providers worldwide

RevenueBase identified 868 company matches for hazmat medical surveillance providers worldwide as of October 2026 and tracks 10,057 professional contacts across them, including 2,082 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for hazmat medical surveillance providers 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 October 13, 2026. Country and city lists for hazmat medical surveillance providers 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 Oct 13, 2026 How this list was built
868Companies
10,057Contacts tracked
2,082Verified emails
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The 25 largest hazmat medical surveillance providers worldwide

Ranked by team size
Top 25 of 868 company matches for hazmat medical surveillance providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 Oct 13, 20261,001-5,0002,675 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 · Oct 13, 2026 · View company records in RevenueBase
2Exact matchVitória, BrazilHQ recorded Oct 13, 202651-200304 contacts →

Exact match

“A MILMED é uma empresa especializada em Medicina e Segurança do Trabalho, que desde 1992 no ano de sua fundação, presta a seus clientes serviços com qualidade e eficiência.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchPorto Alegre, BrazilHQ recorded Oct 13, 202651-200197 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 · Oct 13, 2026 · View company records in RevenueBase
4Exact matchSão José, BrazilHQ recorded Oct 13, 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 · Oct 13, 2026 · View company records in RevenueBase
5Exact matchHayward, CA, United StatesHQ recorded Oct 13, 202651-200168 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchLafayette, LA, United StatesHQ recorded Oct 13, 2026501-1,000133 contacts →

Exact match

“Secorp Industries began in 1972 and is a safety company providing Respiratory Protection, Gas Monitoring and Detection, Rescue Services, Safety/Medical Consultants and Training to…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchRodeo, CA, United StatesHQ recorded Oct 13, 2026201-500102 contacts →

Exact match

“ON-SITE HEALTH & SAFETY is a 24-hour provider of essential health and safety services.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchLiverpool, United KingdomHQ recorded Oct 13, 202651-20086 contacts →

Exact match

“For 50 years we've been dedicated to protecting and improving the health of people at work.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchItajaí, BrazilHQ recorded Oct 13, 202651-20081 contacts →

Exact match

“Occupational Medicine”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Oct 13, 202611-5074 contacts →

Exact match

“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchLafayette, LA, United StatesHQ recorded Oct 13, 202651-20071 contacts →

Exact match

“Pharma-Safe Industrial Services Inc.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchBethel Park, PA, United StatesHQ recorded Oct 13, 202651-20066 contacts →

Exact match

“Mobile Medical Corporation (MMC) is a premier provider of workplace substance abuse testing and on-site medical services nationwide.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchPrinceton, NJ, United StatesHQ recorded Oct 13, 202651-20064 contacts →

Exact match

“M.E.D.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchBirmingham, AL, United StatesHQ recorded Oct 13, 202611-5063 contacts →

Exact match

“OHD is a company committed to our Mission of Passionately Protecting The Health Of The World's Workforce.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchVitória, BrazilHQ recorded Oct 13, 202651-20059 contacts →

Exact match

“Fundada em 1974 na cidade de Vitória - ES, no coração da Região Metropolitana Capixaba - ES, o grupo de empresa se consolidou no atendimento a saúde, dedicando-se à prestação de…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchCologno Monzese, ItalyHQ recorded Oct 13, 2026n/a54 contacts →

Exact match

“MEDICINA & LAVORO s.r.l.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchUdine, ItalyHQ recorded Oct 13, 202611-5053 contacts →

Exact match

“Gruppo Scudo S.r.l.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Oct 13, 202611-5052 contacts →

Exact match

“VitalCheck Wellness is a healthcare services company that coordinates occupational health, pre-employment screening, and preventive care for employers nationwide.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202611-5048 contacts →

Exact match

“International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchPenns Park, PA, United StatesHQ recorded Oct 13, 202651-20048 contacts →

Exact match

“About Med-Tex Med-Tex Services, Inc.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchMandurah, AustraliaHQ recorded Oct 13, 202651-20045 contacts →

Exact match

“Occuhealth is a full-service occupational health and hygiene consultancy operating throughout Western Australia, nationally and internationally.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchPolegate, United KingdomHQ recorded Oct 13, 202611-5045 contacts →

Exact match

“At System Hygienics, we pride ourselves on being industry leaders in providing clean air and a safe environment for your employees, patients, and customers.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchEvansville, IN, United StatesHQ recorded Oct 13, 202611-5044 contacts →

Exact match

“At Medic On-Site Services, our core focus is on complete on-site occupational health and safety.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchBroomfield, CO, United StatesHQ recorded Oct 13, 202611-5041 contacts →

Exact match

“We help you stay OSHA compliant and keep your employees safe with on-site occupational health, safety, and industrial hygiene services including: Audiometric Hearing Tests…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchBuenos Aires, ArgentinaHQ recorded Oct 13, 202611-5038 contacts →

Exact match

“LA EMPRESA ISL es una empresa de medicina laboral que cubre todas las necesidades de las empresas en el rubro, con la máxima calidad de atención y seguimiento, celeridad en las…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 868 hazmat medical surveillance providers worldwide

See the full list, filter by size, metro and specialty, and access 2,082 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hazmat medical surveillance providers worldwide at a glance

As of Oct 13, 2026
20.7%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · Sao Paulo
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
461
11-50
315
51-200
78
201-500
7
501-1,000
2
1,001-5,000
2

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 hazmat medical surveillance providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “hazmat medical surveillance providers” 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 2,082 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 October 13, 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.

Hazmat medical surveillance providers by location

4 lists · largest first

Every Hazmat medical surveillance providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “hazmat medical surveillance providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hazmat medical surveillance providers are there worldwide?

RevenueBase identified 868 company matches for hazmat medical surveillance providers worldwide as of October 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 hazmat medical surveillance providers?

Brazil leads with 263 companies, followed by the United States (142) and Italy (76). Every hazmat medical surveillance providers list by country and city is linked on this page.

Which city has the most hazmat medical surveillance providers?

Sao Paulo leads with 31 company records, followed by Lima (14) and Rio De Janeiro (12).

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 2,082 professional contacts with verified work emails tracked across these 868 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 October 13, 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.