Company lists · Data refreshed September 2026

Top 25 Health and safety consulting firms based in the United States

RevenueBase identified 2,289 health and safety consulting firms headquartered in the United States as of September 2026 and tracks 28,144 professional contacts across them, including 11,092 with verified work emails and 12,087 with mobile numbers. Houston is the largest hub.

This list covers health and safety consulting firms headquartered in the United States, 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 3, 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 3, 2026 86% judged on-target in blind review
2,289Companies
28,144Contacts tracked
11,092Verified emails
12,087Mobile numbers
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The 25 largest health and safety consulting firms based in the United States

Ranked by team size
Top 25 of 2,289 health and safety consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. RevenueBase Smart Search rates how each company's information relates to health and safety consulting firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceColumbia, SC, United StatesHQ checked Sep 3, 20261,001-5,0001,642 contacts →

Indirect evidence

“Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.”

Source: RevenueBase Database · checked Sep 3, 2026
2Indirect evidenceNeenah, WI, United StatesHQ checked Sep 3, 20261,001-5,0001,609 contacts →

Indirect evidence

“J.”

Source: RevenueBase Database · checked Sep 3, 2026
3Strong evidenceBrooklyn Park, MN, United StatesHQ checked Sep 3, 2026n/a983 contacts →

Strong evidence

“The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…”

Source: RevenueBase Database · checked Sep 3, 2026
4Strong evidenceSt Paul, NY, United StatesHQ checked Sep 3, 20261,001-5,000658 contacts →

Strong 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 3, 2026
5Partial evidenceOxnard, CA, United StatesHQ checked Sep 3, 2026201-500538 contacts →

Partial evidence

“As the global leader in safety at work, DEKRA Insight is a consultant and business partner to many of the world’s largest chemical, oil and gas, transportation, utilities…”

Source: RevenueBase Database · checked Sep 3, 2026
6Strong evidenceIndianapolis, IN, United StatesHQ checked Sep 3, 2026201-500480 contacts →

Strong evidence

“We are people-centric Quality, Health, Safety, and Environmental (QHSE) consultants driven to reduce risk, foster sustainable operations, and enhance safety culture to protect…”

Source: RevenueBase Database · checked Sep 3, 2026
7Indirect evidenceMemphis, GA, United StatesHQ checked Sep 3, 2026201-500456 contacts →

Indirect evidence

“Innovation is not happenstance at EnSafe Inc.”

Source: RevenueBase Database · checked Sep 3, 2026
8Partial evidenceCentennial, CA, United StatesHQ checked Sep 3, 2026201-500435 contacts →

Partial evidence

“At Briotix Health, we build relationships with you and your workforce to deliver meaningful results in employee health.”

Source: RevenueBase Database · checked Sep 3, 2026
9Strong evidencePhoenix, AZ, United StatesHQ checked Sep 3, 2026201-500354 contacts →

Strong evidence

“Since 1985, Telgian has served as a trusted partner to clients around the globe, providing innovative fire, security, life safety consulting and engineering/design services…”

Source: RevenueBase Database · checked Sep 3, 2026
10Strong evidenceKimberton, PA, United StatesHQ checked Sep 3, 2026201-500330 contacts →

Strong 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 3, 2026
11Partial evidenceMedford, NC, United StatesHQ checked Sep 3, 2026201-500297 contacts →

Partial evidence

“We are the largest and most diverse team of full-time safety experts in North America.”

Source: RevenueBase Database · checked Sep 3, 2026
12Partial evidenceHouston, TX, United StatesHQ checked Sep 3, 2026501-1,000286 contacts →

Partial evidence

“Thompson Safety, headquartered in Houston, TX and located in 23 markets across the United States, provides a comprehensive suite of on-site first aid and fire protection services…”

Source: RevenueBase Database · checked Sep 3, 2026
13Partial evidenceCincinnati, OH, United StatesHQ checked Sep 3, 2026201-500276 contacts →

Partial evidence

“Serving employers since 1963, Sheakley provides the perfect blend of practical and innovative Risk Management and Safety solutions that help businesses save time, decrease…”

Source: RevenueBase Database · checked Sep 3, 2026
14Partial evidenceOverland Park, KS, United StatesHQ checked Sep 3, 2026201-500272 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 3, 2026
15Indirect evidenceIndianapolis, OH, United StatesHQ checked Sep 3, 202651-200210 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 3, 2026
16Strong evidenceUnion, MA, United StatesHQ checked Sep 3, 2026201-500207 contacts →

Strong 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 3, 2026
17Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 3, 2026201-500205 contacts →

Indirect evidence

“Risk Management.”

Source: RevenueBase Database · checked Sep 3, 2026
18Strong evidenceDallas, TX, United StatesHQ checked Sep 3, 20261,001-5,000181 contacts →

Strong evidence

“XL Pro Consulting Group is a leading full-service Light Industrial Staffing and Safety Consulting firm headquartered in Dallas, Texas, with operations in DFW, Houston, Austin, San…”

Source: RevenueBase Database · checked Sep 3, 2026
19Partial evidenceChattanooga, TX, United StatesHQ checked Sep 3, 202651-200180 contacts →

Partial evidence

“About CORE Safety QUALIFICATIONS: Our leadership members at CORE Safety Group have degrees in Occupational Safety Management and hold credentials that are certified through the…”

Source: RevenueBase Database · checked Sep 3, 2026
20Strong evidenceNewton, MA, United StatesHQ checked Sep 3, 202651-200172 contacts →

Strong 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 3, 2026
21Strong evidenceExcelsior, MN, United StatesHQ checked Sep 3, 202651-200162 contacts →

Strong evidence

“The leader in environmental, health and safety compliance solutions.”

Source: RevenueBase Database · checked Sep 3, 2026
22Partial evidenceHouston, CA, United StatesHQ checked Sep 3, 2026201-500158 contacts →

Partial evidence

“Atlas Field Services LLC (AFS) designs comprehensive, compliance-based training portfolios that offer business partners a premier safety training program, customized to their…”

Source: RevenueBase Database · checked Sep 3, 2026
23Partial evidenceIndianapolis, IL, United StatesHQ checked Sep 3, 202651-200150 contacts →

Partial 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 3, 2026
24Partial evidenceKY, United StatesHQ checked Sep 3, 2026201-500117 contacts →

Partial evidence

“We are your safety specialists!”

Source: RevenueBase Database · checked Sep 3, 2026
25Strong evidenceRodeo, MD, United StatesHQ checked Sep 3, 2026201-500108 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 3, 2026

Showing 25 of 2,289 health and safety consulting firms based in the United States

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Health and safety consulting firms based in the United States at a glance

As of Sep 3, 2026
39.4%Verified-email coverage
42.9%Mobile-number coverage
12.3Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · Houston
Sep 3, 2026Page data refreshed

Companies by employee count

1-10
1,475
11-50
608
51-200
151
201-500
35
501-1,000
4
1,001-5,000
11
10001+
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 health and safety consulting firms, 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 the United States whose own description of what they do matches “health and safety consulting firms”. 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 health and safety consulting firms), 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 health and safety consulting firms, and records with no verified work email. Companies headquartered outside United States 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, 11,092 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 3, 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 health and safety consulting firms, 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 health and safety consulting firms are there based in the United States?

RevenueBase identified 2,289 health and safety consulting firms headquartered in the United States 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?

Jensen Hughes, headquartered in Greenville, tops this list with the largest team on record.

Which city has the most health and safety consulting firms?

Houston leads with 83 headquartered companies, followed by New York (43) and Atlanta (27).

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 11,092 verified decision-maker contacts tracked across these 2,289 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 3, 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.