Company lists · Data refreshed September 2026

Top 25 Industrial accident investigation firms worldwide

RevenueBase identified 363 industrial accident investigation firms worldwide as of September 2026 and tracks 6,343 professional contacts across them, including 2,998 with verified work emails and 0 with mobile numbers. The United States is the largest market and Mississauga the largest hub.

This list covers industrial accident investigation firms worldwide, 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 16, 2026. Country and city lists for industrial accident investigation firms follow the table.

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 16, 2026 86% judged on-target in blind review
363Companies
6,343Contacts tracked
2,998Verified emails
0Mobile numbers
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The 25 largest industrial accident investigation firms worldwide

Ranked by team size
Top 25 of 363 industrial accident investigation firms worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to industrial accident investigation 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 evidenceMemphis, TN, United StatesHQ checked Sep 16, 2026501-1,000748 contacts →

Indirect evidence

“EFI Global is a multidisciplinary consulting firm that helps clients investigate, assess and resolve complex property, infrastructure and financial challenges.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceAurora, IL, United StatesHQ checked Sep 16, 2026201-500480 contacts →

Partial evidence

“Engineering Systems Inc.(ESi) is a forensic engineering and scientific investigation firm committed to providing actionable solutions to industry and technical challenges through…”

Source: RevenueBase Database · checked Sep 16, 2026
3Indirect evidenceChicago, IL, United StatesHQ checked Sep 16, 2026201-500376 contacts →

Indirect evidence

“Envista Forensics is the global leader in providing comprehensive forensic consulting and engineering services.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceColumbus, OH, United StatesHQ checked Sep 16, 2026201-500297 contacts →

Partial evidence

“Established in 1970, S-E-A is a recognized worldwide leader in forensic analysis and investigation.”

Source: RevenueBase Database · checked Sep 16, 2026
5Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 16, 2026201-500210 contacts →

Indirect evidence

“Donan, part of the Alpine Intel suite of services, answers the challenging questions about property loss and product failures.”

Source: RevenueBase Database · checked Sep 16, 2026
6Indirect evidenceCarlsbad, CA, United StatesHQ checked Sep 16, 202651-200196 contacts →

Indirect evidence

“Since 1989, MC’s team of professional consultants have leveraged their extensive construction backgrounds to deliver industry-leading construction consulting and forensic…”

Source: RevenueBase Database · checked Sep 16, 2026
7Indirect evidenceHayward, CA, United StatesHQ checked Sep 16, 202651-200172 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceEast Providence, RI, United StatesHQ checked Sep 16, 202651-200154 contacts →

Indirect evidence

“Founded in 1954, Halliwell is a premier multi-service Engineering, Forensic Architecture, and Construction professional services firm providing comprehensive loss consulting to…”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceConcord, ON, United StatesHQ checked Sep 16, 202651-200105 contacts →

Indirect evidence

“We are a forensic engineering, consulting and environmental sciences company serving clients across Canada.”

Source: RevenueBase Database · checked Sep 16, 2026
10Indirect evidenceCastle Rock, CO, United StatesHQ checked Sep 16, 202611-5099 contacts →

Indirect evidence

“Headquartered in Colorado with a nationwide reach, Keystone Experts and Engineers is a premier forensic firm specializing in commercial and residential structures.”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidencePenns Park, PA, United StatesHQ checked Sep 16, 202651-20096 contacts →

Indirect evidence

“For over 30 years, ARCCA has been providing expert scientific and engineering solutions.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 16, 202651-20094 contacts →

Indirect evidence

“Biodynamic Research Corportation (BRC) is a consulting and research firm who employs a consultant mix of both PhD Engineers and Physician Engineers.”

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceSugar Land, TX, United StatesHQ checked Sep 16, 202651-20090 contacts →

Indirect evidence

“ProNet Group, Inc is a multi-disciplinary forensic engineering and consulting firm that has been an industry leader since 1990.”

Source: RevenueBase Database · checked Sep 16, 2026
14Partial evidenceNovi, IL, United StatesHQ checked Sep 16, 202651-20073 contacts →

Partial evidence

“Explico is a fast-growing firm that delivers premium scientific and engineering services in areas such as accident reconstruction, biomechanics, human factors, data analytics, and…”

Source: RevenueBase Database · checked Sep 16, 2026
15Indirect evidenceMetairie, LA, United StatesHQ checked Sep 16, 202651-20072 contacts →

Indirect evidence

“Since its inception in 2006, U.S.”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceLaval, QC, CanadaHQ checked Sep 16, 202611-5069 contacts →

Indirect evidence

“Historical Pyrotech BEI is a multidisciplinary Forensic Engineering company.”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceAbington, PA, United StatesHQ checked Sep 16, 202611-5066 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceCentennial, CO, United StatesHQ checked Sep 16, 202651-20064 contacts →

Indirect evidence

“Questions Answered.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceBerkeley, CA, United StatesHQ checked Sep 16, 202611-5061 contacts →

Indirect evidence

“Kickin’ Ash since 1977!”

Source: RevenueBase Database · checked Sep 16, 2026
20Partial evidenceAnnapolis, MD, United StatesHQ checked Sep 16, 202611-5058 contacts →

Partial evidence

“CED Technologies, Inc.(CED) is a leading engineering company specializing in forensic engineering, accident reconstruction and expert witness services for over 30 years.”

Source: RevenueBase Database · checked Sep 16, 2026
21Indirect evidencePlano, TX, United StatesHQ checked Sep 16, 202651-20058 contacts →

Indirect evidence

“Established in 1994, Nelson Forensics, LLC has developed a rock-solid reputation with property owners, insurance companies, and law firms nationwide based on our commitment to…”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceLaguna Hills, CA, United StatesHQ checked Sep 16, 202651-20058 contacts →

Partial evidence

“MEA Forensic Engineers & Scientists is a multi-disciplinary forensic investigations firm.”

Source: RevenueBase Database · checked Sep 16, 2026
23Indirect evidenceNovi, United StatesHQ checked Sep 16, 202611-5056 contacts →

Indirect evidence

“Engineering Consulting Services”

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceCharlottesville, VA, United StatesHQ checked Sep 16, 202611-5046 contacts →

Indirect evidence

“We are a team of world-class engineers and scientists that provides testing, analysis, and other consulting services to companies across the globe.”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidenceCoast To Coast, CanadaHQ checked Sep 16, 202651-20039 contacts →

Indirect evidence

“SPECS is now part of J.S.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 363 industrial accident investigation firms worldwide

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Industrial accident investigation firms worldwide at a glance

As of Sep 16, 2026
47.3%Verified-email coverage
17.5Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · Mississauga
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
218
11-50
113
51-200
26
201-500
5
501-1,000
1

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 industrial accident investigation 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.
Coverage
2 countries, largest first: the United States, Canada. Country and city lists for industrial accident investigation firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “industrial accident investigation 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 industrial accident investigation 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 industrial accident investigation firms, and records with no verified work email.
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, 2,998 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 16, 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.

Industrial accident investigation firms by location

2 lists · largest first

Every Industrial accident investigation firms 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 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 industrial accident investigation 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 industrial accident investigation firms are there worldwide?

RevenueBase identified 363 industrial accident investigation firms worldwide 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?

EFI Global, headquartered in Memphis, tops this list with the largest team on record.

Which country has the most industrial accident investigation firms?

The United States leads with 325 companies, followed by Canada (38). Every industrial accident investigation firms list by country and city is linked on this page.

Which city has the most industrial accident investigation firms?

Mississauga leads with 5 headquartered companies, followed by Houston (4) and Tallahassee (4).

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 2,998 verified decision-maker contacts tracked across these 363 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 16, 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.