Company lists · Data refreshed September 2026

Top 25 Environmental law attorney associations based in the United States

RevenueBase identified 193 company matches for environmental law attorney associations associated with the United States as of September 2026 and tracks 2,650 professional contacts across them, including 1,720 with verified work emails. Austin is the largest hub.

This list covers company matches for environmental law attorney associations associated with the United States, 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 September 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
193Companies
2,650Contacts tracked
1,720Verified emails
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The 25 largest environmental law attorney associations based in the United States

Ranked by team size
Top 25 of 193 company matches for environmental law attorney associations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchSan Francisco, United StatesHQ recorded Sep 19, 2026501-1,000672 contacts →

Exact match

“Earthjustice is a non-profit public interest law organization dedicated to protecting the magnificent places, natural resources, and wildlife of this earth, and to defending the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 19, 2026201-500328 contacts →

Exact match

“Beveridge & Diamond’s 170+ lawyers in 7 U.S.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchMorristown, NJ, United StatesHQ recorded Sep 19, 202651-20080 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 202611-5077 contacts →

Exact match

“Shute, Mihaly & Weinberger LLP is a law firm specializing in government, land use, natural resource and environmental law.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchIndianapolis, IN, United StatesHQ recorded Sep 19, 202651-20077 contacts →

Exact match

“Founded in 1988 as a boutique environmental and litigation law firm offering environmental counseling, insurance coverage for policyholders and other insureds, and other complex…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-20074 contacts →

Exact match

“The Center for International Environmental Law (CIEL) uses the power of the law to protect the environment, promote human health, and ensure a just and sustainable society.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchDenver, CO, United StatesHQ recorded Sep 19, 202651-20072 contacts →

Exact match

“Kaplan Kirsch is a national law firm with a practice focused on solving problems that involve environmental, infrastructure, land use, public lands, real estate development, and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchBala Cynwyd, PA, United StatesHQ recorded Sep 19, 202611-5063 contacts →

Exact match

“Manko, Gold, Katcher & Fox, LLP (Manko Gold) is an environmental, energy and land use law firm spanning the full range of regulatory compliance, transactional and litigation…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5042 contacts →

Exact match

“For over sixty years, Sive, Paget & Riesel (SPR) has been a recognized leader in environmental law and litigation, municipal and land use law.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchBirmingham, AL, United StatesHQ recorded Sep 19, 202651-20039 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Sep 19, 202611-5037 contacts →

Exact match

“Kazmarek Mowrey Cloud Laseter LLP (KMCL) is a boutique environmental and energy law firm serving clients nationwide from offices in Atlanta, Birmingham, and Pittsburgh.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 202611-5036 contacts →

Exact match

“Sher Edling LLP represents states, tribes, water providers, public agencies, and businesses in high-impact, high-value environmental cases.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchEugene, OR, United StatesHQ recorded Sep 19, 202611-5032 contacts →

Exact match

“The Environmental Law Alliance Worldwide (ELAW) helps communities speak out for clean air, clean water, and a healthy planet.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchAlbany, NY, United StatesHQ recorded Sep 19, 202611-5029 contacts →

Exact match

“Young / Sommer LLC is a recognized leader in environmental and energy law in New York.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202611-5027 contacts →

Exact match

“The National Association of Clean Water Agencies (NACWA) is the nation's recognized leader in legislative, regulatory and legal Clean Water Advocacy.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchAustin, United StatesHQ recorded Sep 19, 202611-5027 contacts →

Exact match

“McElroy, Sullivan, Miller & Weber, LLP was founded over 35 years ago.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 19, 20261-1025 contacts →

Exact match

“A non-partisan center at NYU Law dedicated to working with state attorneys general to guarantee everyone has access to clean air, clean water, and clean land to live and thrive on.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 20261-1022 contacts →

Exact match

“A 501(c)(3) nonprofit law firm incubating the growth of environmental legal services for modest means clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchMilwaukee, WI, United StatesHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“Halling & Cayo is a mid-size Milwaukee firm located in downtown Milwaukee.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchLong Beach, CA, United StatesHQ recorded Sep 19, 202611-5020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchNew Orleans, LA, United StatesHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“Stag Liuzza is a plaintiff-oriented law firm.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchCleveland, OH, United StatesHQ recorded Sep 19, 202611-5019 contacts →

Exact match

“McMahon DeGulis LLP is an environmental, energy, toxic tort and complex litigation firm.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchSeattle, WA, United StatesHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“Cascadia Law Group PLLC provides clients with the most effective environmental representation available in our region.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchBoise, OR, United StatesHQ recorded Sep 19, 20261-1018 contacts →

Exact match

“Advocates for the West is a nonprofit, public interest environmental law firm headquartered in Boise, Idaho with an office in Portland, Oregon.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSacramento, CA, United StatesHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“At Remy Moose Manley, LLP, we are helping build the future through the experience of the past.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 193 environmental law attorney associations based in the United States

See the full list, filter by size, metro and specialty, and access 1,720 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental law attorney associations based in the United States at a glance

As of Sep 19, 2026
64.9%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
4.7%Largest-city concentration · Austin
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
130
11-50
51
51-200
10
201-500
1
501-1,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 193 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “environmental law attorney associations” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,720 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 September 19, 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.

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 law attorney associations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental law attorney associations are there based in the United States?

RevenueBase identified 193 company matches for environmental law attorney associations associated with the United States as of September 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?

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

Which city has the most environmental law attorney associations?

Austin leads with 9 company records, followed by San Francisco (9) and New York (9).

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 1,720 professional contacts with verified work emails tracked across these 193 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 September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 193 environmental law attorney associations based in the United States. Start with a free account, no credit card.

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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.