Company lists · Data refreshed November 2026

Top 25 Environmental due diligence companies worldwide

RevenueBase identified 3,398 company matches for environmental due diligence companies worldwide as of November 2026 and tracks 36,293 professional contacts across them, including 12,898 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental due diligence companies 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 environmental due diligence companies 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
3,398Companies
36,293Contacts tracked
12,898Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest environmental due diligence companies worldwide

Ranked by team size
Top 25 of 3,398 company matches for environmental due diligence companies 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 matchDecatur, PA, United StatesHQ recorded Nov 6, 20261,001-5,0001,088 contacts →

Exact match

“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact matchSan Donato Milanese, ItalyHQ recorded Nov 6, 20261,001-5,000550 contacts →

Exact match

“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSherwood Park, AB, CanadaHQ recorded Nov 6, 20261,001-5,000491 contacts →

Exact match

“Since 1962, Vertex has been a leading North American provider of environmental services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIslandia, NY, United StatesHQ recorded Nov 6, 2026201-500474 contacts →

Exact match

“The Roux organization applies sophisticated scientific, technical, and managerial resources to develop and implement effective, efficient, and sustainable solutions to our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWall Township, VA, United StatesHQ recorded Nov 6, 2026201-500470 contacts →

Exact match

“We are Groundwater & Environmental Services, Inc, better known as GES.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchShelton, CT, United StatesHQ recorded Nov 6, 2026201-500370 contacts →

Exact match

“Serving the property due diligence industry since 1990 With over two decades of experience delivering the most comprehensive environmental risk data in the United States, EDR…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Giovanni Teatino, ItalyHQ recorded Nov 6, 2026501-1,000308 contacts →

Exact match

“LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHarrogate, United KingdomHQ recorded Nov 6, 2026501-1,000287 contacts →

Exact match

“Adler and Allan provides environmental and energy infrastructure services to reduce the risk of pollution, operational downtime, profit loss and reputation damage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSt. Louis Park, United StatesHQ recorded Nov 6, 2026201-500278 contacts →

Exact match

“Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500273 contacts →

Exact match

“Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPittsburgh, QC, United StatesHQ recorded Nov 6, 2026201-500273 contacts →

Exact match

“EHS Support is a global family of engineers, geologists, scientists, and technical experts who specialize in complex environmental, health, and safety (EH & S) challenges across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGoiânia, BrazilHQ recorded Nov 6, 2026201-500251 contacts →

Exact match

“A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200248 contacts →

Exact match

“A WALM Engenharia e Tecnologia Ambiental Ltda.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchToronto, MB, CanadaHQ recorded Nov 6, 2026201-500233 contacts →

Exact match

“QM Environmental is a leading Canadian environmental and industrial services provider, trusted for over three decades to deliver complex projects safely, responsibly, and with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchBrasília, BrazilHQ recorded Nov 6, 202651-200206 contacts →

Exact match

“Somamos a experiência e a agilidade que você precisa para desenvolver os estudos necessários para o licenciamento ambiental e gestão do seu empreendimento.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSantiago, ChileHQ recorded Nov 6, 202651-200203 contacts →

Exact match

“Gestión Ambiental Consultores S.A.(GAC) es una empresa de consultoría ambiental fundada en 1991 que presta servicios en distintas áreas de la gestión ambiental para los…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchAtlanta, IL, United StatesHQ recorded Nov 6, 2026201-500198 contacts →

Exact match

“With more than 50 years of excellence, KEMRON Environmental Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 2026201-500190 contacts →

Exact match

“Bay West is an environmental and industrial services provider for site investigations, groundwater and soil remediation, munitions cleanup, hazardous waste management, industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVancouver, ON, CanadaHQ recorded Nov 6, 202651-200185 contacts →

Exact match

“PGL Environmental Consultants consistently provides clients with a high level of support and confidence in our environmental management and planning decisions by combining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRocklin, CA, United StatesHQ recorded Nov 6, 202651-200175 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIndianapolis, NY, United StatesHQ recorded Nov 6, 202651-200172 contacts →

Exact match

“Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.”

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

Showing 25 of 3,398 environmental due diligence companies worldwide

See the full list, filter by size, metro and specialty, and access 12,898 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Environmental due diligence companies worldwide at a glance

As of Nov 6, 2026
35.5%Verified-email coverage
10.7Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,061
11-50
1,048
51-200
203
201-500
39
501-1,000
9
1,001-5,000
10
5,001-10,000
1

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 environmental due diligence companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “environmental due diligence companies” 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 12,898 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.

Environmental due diligence companies by location

16 lists · largest first

Every Environmental due diligence companies 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 “environmental due diligence companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental due diligence companies are there worldwide?

RevenueBase identified 3,398 company matches for environmental due diligence companies 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?

Alliance Technical Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental due diligence companies?

The United States leads with 1,122 companies, followed by Brazil (460) and Canada (153). Every environmental due diligence companies list by country and city is linked on this page.

Which city has the most environmental due diligence companies?

Sao Paulo leads with 54 company records, followed by Houston (34) and New York (26).

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 12,898 professional contacts with verified work emails tracked across these 3,398 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.

Ready to reach these companies? Verified emails and direct dials for all 3,398 environmental due diligence companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.