Company lists · Data refreshed October 2026

Top 25 Environmental litigation support services worldwide

Name: Environmental litigation support services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 5,910 companies tracked

RevenueBase identified 5,910 company matches for environmental litigation support services worldwide as of October 2026 and tracks 65,678 professional contacts across them, including 24,812 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental litigation support services 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 25, 2026. Country and city lists for environmental litigation support services 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 25, 2026 How this list was built

5,910Companies

65,678Contacts tracked

24,812Verified emails

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The 25 largest environmental litigation support services worldwide

Ranked by team size

Top 25 of 5,910 company matches for environmental litigation support services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,661 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,108 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,048 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 · Oct 25, 2026 · View company records in RevenueBase
4	ATC Group Services LLC	Exact match	Lafayette, LA, United StatesHQ recorded Oct 25, 2026	1,001-5,000	872 contacts →
	Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Oct 25, 2026	1,001-5,000	843 contacts →
	Exact match “Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Environmental Science Associates	Exact match	San Francisco, CA, United StatesHQ recorded Oct 25, 2026	501-1,000	730 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Rincon Consultants	Exact match	Ventura, CA, United StatesHQ recorded Oct 25, 2026	501-1,000	502 contacts →
	Exact match “Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Vertex Resource Group LTD	Exact match	Sherwood Park, AB, CanadaHQ recorded Oct 25, 2026	1,001-5,000	481 contacts →
	Exact match “Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Oct 25, 2026	201-500	468 contacts →
	Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Groundwater & Environmental Services, INC	Exact match	Wall Township, NJ, United StatesHQ recorded Oct 25, 2026	201-500	462 contacts →
	Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Sete Soluções E Tecnologia Ambiental	Exact match	Belo Horizonte, BrazilHQ recorded Oct 25, 2026	501-1,000	455 contacts →
	Exact match “Somos uma das maiores consultorias em meio ambiente do Brasil, fundada em 1997, contando, hoje, com uma equipe técnica multidisciplinar permanente, que congrega profissionais das…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Hydrogeologic, INC	Exact match	Reston, VA, United StatesHQ recorded Oct 25, 2026	501-1,000	440 contacts →
	Exact match “HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Western Ecosystems Technology, Inc. West	Exact match	Cheyenne, WY, United StatesHQ recorded Oct 25, 2026	201-500	419 contacts →
	Exact match “WEST provides environmental and statistical consulting services and contract research nationally and internationally to industry, government, and private organizations.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	IMS Legal Strategies	Exact match	Dallas, TX, United StatesHQ recorded Oct 25, 2026	201-500	400 contacts →
	Exact match “IMS Legal Strategies is a trusted partner to law firms and corporations worldwide, providing the expertise and technology needed to solve complex challenges and position disputes…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Triton Environmental Consultants LTD	Exact match	Vancouver, BC, CanadaHQ recorded Oct 25, 2026	201-500	348 contacts →
	Exact match “Triton Environmental Consultants knows western Canada.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	LSA	Exact match	Irvine, CA, United StatesHQ recorded Oct 25, 2026	201-500	348 contacts →
	Exact match “LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	Beveridge & Diamond PC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	201-500	331 contacts →
	Exact match “Beveridge & Diamond’s 170+ lawyers in 7 U.S.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Environmental Consulting & Technology, Inc. ECT	Exact match	Gainesville, FL, United StatesHQ recorded Oct 25, 2026	201-500	330 contacts →
	Exact match “Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Merjent	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 25, 2026	201-500	297 contacts →
	Exact match “Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Wetland Studies And Solutions, Inc. Wssi , A Davey Tree Company	Exact match	Gainesville, VA, United StatesHQ recorded Oct 25, 2026	201-500	281 contacts →
	Exact match “For more than 30 years, WSSI has been the trusted partner in environmental, regulatory, cultural resources, and water resources engineering consulting.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	GSI Environmental INC	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	201-500	272 contacts →
	Exact match “GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Jbs&g	Exact match	Sydney, AustraliaHQ recorded Oct 25, 2026	201-500	270 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 · Oct 25, 2026 · View company records in RevenueBase
23	EHS Support	Exact match	Pittsburgh, QC, United StatesHQ recorded Oct 25, 2026	201-500	261 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 · Oct 25, 2026 · View company records in RevenueBase
24	Applus Environment	Exact match	Madrid, SpainHQ recorded Oct 25, 2026	10001+	259 contacts →
	Exact match “At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Environmental Works, INC	Exact match	Springfield, MO, United StatesHQ recorded Oct 25, 2026	201-500	244 contacts →
	Exact match “Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental litigation support services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 5,910 environmental litigation support services worldwide

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Environmental litigation support services worldwide at a glance

As of Oct 25, 2026

37.8%Verified-email coverage

11.1Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

3,679

11-50

1,753

51-200

362

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 litigation support services are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental litigation support services” 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 24,812 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 25, 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 litigation support services by location

27 lists · largest first

Every Environmental litigation support services 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 litigation support services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental litigation support services are there worldwide?

RevenueBase identified 5,910 company matches for environmental litigation support services 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?

Swca Environmental Consultants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental litigation support services?

The United States leads with 1,773 companies, followed by Brazil (1,098) and Canada (232). Every environmental litigation support services list by country and city is linked on this page.

Which city has the most environmental litigation support services?

Sao Paulo leads with 109 company records, followed by Belo Horizonte (59) and Curitiba (55).

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 24,812 professional contacts with verified work emails tracked across these 5,910 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 25, 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.