Company lists · Data refreshed September 2026
Top 25 Process safety management consultants based in the United States
RevenueBase identified 1,103 process safety management consultants headquartered in the United States as of September 2026 and tracks 13,304 professional contacts across them, including 4,902 with verified work emails and 5,493 with mobile numbers. Houston is the largest hub.
This list covers process safety management consultants 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
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.
The 25 largest process safety management consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 875 | ||||
“ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 545 | ||||
“Becht partners with industrial operators across the energy and process sectors to solve complex challenges that impact safety, reliability, and profitability.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | Protect LLCIndirect evidence | 332 | |||
“PROtect is a leading national provider of reliability, risk, and compliance services to the refining, petrochemical, renewable fuels, manufacturing, food & beverage, fertilizer…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 331 | ||||
“ALL4 is a global consulting firm committed to shaping a sustainable future through innovative environmental, health, and safety (EHS) and digital solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 298 | ||||
“We are the largest and most diverse team of full-time safety experts in North America.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | JMJ Culture Transformation ConsultingIndirect evidence | 258 | |||
“For almost forty years, JMJ has partnered with senior leaders across energy, infrastructure, and other complex, high-hazard operating environments where performance, risk and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | M&hIndirect evidence | 253 | |||
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 247 | ||||
“BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 202 | ||||
“Risk Management.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 137 | ||||
“At aeSolutions, resilience isn’t a bonus.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | TeksolvPartial evidence | 114 | |||
“We are leaders in safety solutions for industrial markets.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 112 | ||||
“JCL is a full service firm specializing in proactive solutions for safety, risk and material coordination services in the oil and gas, upstream, downstream, petrochemical and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | Smith & BurgessStrong evidence | 111 | |||
“Smith & Burgess is an industry-leading Process Safety Management (PSM) provider driven to increase process safety by delivering innovative solutions and PSM compliance results.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 106 | ||||
“The Fire & Risk Alliance was created under four basic principles: TRUST – To be our clients trusted partner in maintaining and improving safety.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 103 | ||||
“Companies around the world turn to exida for help and guidance related to functional safety, alarm management, and cybersecurity.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 103 | ||||
“Established in Site Safety is a national safety consulting, training, and management organization.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | Sis-TechStrong evidence | 102 | |||
“We are a respected and innovative solutions provider focusing on process safety, reliability and control.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 99 | ||||
“With offices in Pittsburgh, Roselle, and Chicago, Amerisafe Group, offers full-service safety consulting, training, rescue, and occupational health services for all types of…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Diversified Safety Services, LLCPartial evidence | 88 | |||
“Diversified Safety Services is a third-party safety consulting firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | NovetusStrong evidence | 83 | |||
“Novetus is an engineering company that focuses on Capital Project Engineering, Project Controls, Asset Integrity, Safety & Risk Management, and Process Safety Management…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 83 | ||||
“Environmental Standards is now part of Onterris.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 83 | ||||
“Total Safety Consulting (TSC) understands the intense planning needed to ensure the safety of your workers and the public-and the cost of not doing it right.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 78 | ||||
“Through innovation and dedication to continual improvement, ioMosaic has become a leading provider of integrated process safety and risk management solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 76 | ||||
“AcuTech Consulting Group is a specialty consulting firm with a unique background in process safety, chemical security, and emergency management.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Occupational Services, INCPartial evidence | 74 | |||
“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 1,103 process safety management consultants based in the United States
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Process safety management consultants based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 process safety management consultants, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “process safety management consultants”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among process safety management consultants, 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 an evidence 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, 4,902 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 5, 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.
Process safety management consultants by metro
- Process safety management consultants in Houston88
Frequently asked
How many process safety management consultants are there based in the United States?
RevenueBase identified 1,103 process safety management consultants 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?
ABS Consulting, headquartered in Spring, tops this list with the largest team on record.
Which city has the most process safety management consultants?
Houston leads with 88 headquartered companies, followed by New York (15) and Atlanta (12).
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 4,902 verified decision-maker contacts tracked across these 1,103 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 5, 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.
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