Company lists · Data refreshed September 2026
Top 25 Environmental law organizations based in the United States
RevenueBase identified 915 company matches for environmental law organizations associated with the United States as of September 2026 and tracks 17,457 professional contacts across them, including 8,914 with verified work emails. Washington is the largest hub.
This list covers company matches for environmental law organizations 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.
The 25 largest environmental law organizations based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,682 contacts → | ||||
Exact match “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 942 contacts → | ||||
Exact match “NRDC is the nation's most effective environmental action organization.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 672 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 | |||||
| 4 | 330 contacts → | ||||
Exact match “Jackson Kelly PLLC is a national law firm representing leading global corporations, national companies, entrepreneurs and individuals in areas of law such as environmental…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 328 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 | |||||
| 6 | 233 contacts → | ||||
Exact match “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 230 contacts → | ||||
Exact match “Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 218 contacts → | ||||
Exact match “LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 204 contacts → | ||||
Exact match “Musick Peeler, a premier law firm with over 80 attorneys across five offices in major commercial centers of California, exemplifies excellence in legal service.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 199 contacts → | ||||
Exact match “The Wilderness Society (TWS) is the leading conservation organization working to protect America’s wild places and public lands for the health of local communities, wildlife, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 174 contacts → | ||||
Exact match “Since 1966, CLF has taken on powerful opponents who would pollute our air and water and squander our resources.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 174 contacts → | ||||
Exact match “Van Ness Feldman is a nationally recognized mid-sized law firm specializing in the areas of energy, environment, and natural resources law and policy, with offices in Washington…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 166 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 157 contacts → | ||||
Exact match “From civil litigation to business transactions, Haight Brown & Bonesteel LLP provides practical and effective resolution advice to the most perplexing disputes, ranging from early…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 144 contacts → | ||||
Exact match “EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 140 contacts → | ||||
Exact match “Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 138 contacts → | ||||
Exact match “Cades Schutte is a full-service law firm in Hawai‘i with around 80 attorneys.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 126 contacts → | ||||
Exact match “With attorneys admitted to the bar in New York, New Jersey, Pennsylvania, and the District of Columbia, and with offices across the region, Genova Burns LLC provides special…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 125 contacts → | ||||
Exact match “EDELSON PC is a law firm concentrating on high-stake’s plaintiff’s work ranging from class and mass actions to public client investigations and prosecutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 120 contacts → | ||||
Exact match “The Environmental Working Group is a non-profit, non-partisan organization dedicated to protecting human health and the environment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 110 contacts → | ||||
Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 104 contacts → | ||||
Exact match “Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 103 contacts → | ||||
Exact match “Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 102 contacts → | ||||
Exact match “The Environmental Law Institute (ELI) makes law work for people, places, and the planet.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 98 contacts → | ||||
Exact match “Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded in the RevenueBase company graph · Sep 19, 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 law organizations”. 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 915 environmental law organizations based in the United States
See the full list, filter by size, metro and specialty, and access 8,914 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Environmental law organizations based in the United States at a glance
As of Sep 19, 2026Companies by employee count
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 915 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 organizations” 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 8,914 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 organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental law organizations are there based in the United States?
RevenueBase identified 915 company matches for environmental law organizations 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?
Ballard Spahr LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most environmental law organizations?
Washington leads with 57 company records, followed by New York (25) and Austin (24).
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 8,914 professional contacts with verified work emails tracked across these 915 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 915 environmental law organizations based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Environmental law organizations by geography
- Environmental law organizations based in Belo Horizonte, Brazil
- Environmental law organizations based in Curitiba, Brazil
- Environmental law organizations based in Porto Alegre, Brazil
- Environmental law organizations based in Rio De Janeiro, Brazil
- Environmental law organizations based in Sao Paulo, Brazil
- Environmental law organizations based in Australia
- Environmental law organizations based in Belgium
- Environmental law organizations based in Brazil
- Environmental law organizations based in Canada
- Environmental law organizations based in Chile
- Environmental law organizations based in Colombia
- Environmental law organizations based in France
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Environmental law organizations based in Belo Horizonte, Brazil
- Environmental law organizations based in Curitiba, Brazil
- Environmental law organizations based in Porto Alegre, Brazil
- Environmental law organizations based in Rio De Janeiro, Brazil
- Environmental law organizations based in Sao Paulo, Brazil
- Environmental law organizations based in Australia
Company intelligence · public preview
Top 25 environmental law organizations based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 915 matching company records for environmental law organizations based in the United States, with 17,457 tracked contacts and 8,914 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 environmental law organizations based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Ballard Spahr LLPballardspahr.comHQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 1,682 contacts → |
“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 942 contacts → |
“NRDC is the nation's most effective environmental action organization.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Earthjusticeearthjustice.orgHQ: San Francisco, United StatesReported employees: 501-1,000 | San Francisco, United States | 501-1,000 | Exact match | 672 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Jackson Kelly Pllcjacksonkelly.comHQ: Charleston, WV, United StatesReported employees: 201-500 | Charleston, WV, United States | 201-500 | Exact match | 330 contacts → |
“Jackson Kelly PLLC is a national law firm representing leading global corporations, national companies, entrepreneurs and individuals in areas of law such as environmental…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Beveridge & Diamond PCbdlaw.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 328 contacts → |
“Beveridge & Diamond’s 170+ lawyers in 7 U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Metiri Groupapplinc.comHQ: Clovis, CA, United StatesReported employees: Not recorded | Clovis, CA, United States | Not recorded | Exact match | 233 contacts → |
“Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Keller And Heckman LLPkhlaw.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 230 contacts → |
“Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 218 contacts → |
“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Musick, Peeler & Garrettmusickpeeler.comHQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 204 contacts → |
“Musick Peeler, a premier law firm with over 80 attorneys across five offices in major commercial centers of California, exemplifies excellence in legal service.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The Wilderness Societywilderness.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 199 contacts → |
“The Wilderness Society (TWS) is the leading conservation organization working to protect America’s wild places and public lands for the health of local communities, wildlife, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Conservation LAW Foundationclf.org HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 174 contacts → |
“Since 1966, CLF has taken on powerful opponents who would pollute our air and water and squander our resources.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  VAN Ness Feldman LLPvnf.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 174 contacts → |
“Van Ness Feldman is a nationally recognized mid-sized law firm specializing in the areas of energy, environment, and natural resources law and policy, with offices in Washington…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ecorp Consulting, INCecorpconsulting.comHQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 166 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Haight Brown & Bonesteelhbblaw.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 157 contacts → |
“From civil litigation to business transactions, Haight Brown & Bonesteel LLP provides practical and effective resolution advice to the most perplexing disputes, ranging from early…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | earthday.orgearthday.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 144 contacts → |
“EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mostardi Plattmostardiplatt.comHQ: Elmhurst, IL, United StatesReported employees: 51-200 | Elmhurst, IL, United States | 51-200 | Exact match | 140 contacts → |
“Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cades Schutte LLPcades.comHQ: Honolulu, HI, United StatesReported employees: 51-200 | Honolulu, HI, United States | 51-200 | Exact match | 138 contacts → |
“Cades Schutte is a full-service law firm in Hawai‘i with around 80 attorneys.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Genova Burns LLCgenovaburns.com HQ: Newark, NJ, United StatesReported employees: 51-200 | Newark, NJ, United States | 51-200 | Exact match | 126 contacts → |
“With attorneys admitted to the bar in New York, New Jersey, Pennsylvania, and the District of Columbia, and with offices across the region, Genova Burns LLC provides special…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Edelson PCedelson.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 125 contacts → |
“EDELSON PC is a law firm concentrating on high-stake’s plaintiff’s work ranging from class and mass actions to public client investigations and prosecutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Environmental Working Groupewg.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 120 contacts → |
“The Environmental Working Group is a non-profit, non-partisan organization dedicated to protecting human health and the environment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cascadia Consulting Groupcascadiaconsulting.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 110 contacts → |
“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Techlawtechlawinc.comHQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Hart & Hickman, PCharthickman.comHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 103 contacts → |
“Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Environmental LAW Instituteeli.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 102 contacts → |
“The Environmental Law Institute (ELI) makes law work for people, places, and the planet.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Chambers Group, INCchambersgroupinc.comHQ: Costa Mesa, CA, United StatesReported employees: 51-200 | Costa Mesa, CA, United States | 51-200 | Exact match | 98 contacts → |
“Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 915 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Environmental law organizations: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
915 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 915 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for environmental law organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many environmental law organizations did RevenueBase find based in the United States?
The saved snapshot records 915 matching company records, 17,457 tracked contacts and 8,914 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Environmental law organizations by geography
- Environmental law organizations based in Belo Horizonte, Brazil
- Environmental law organizations based in Curitiba, Brazil
- Environmental law organizations based in Porto Alegre, Brazil
- Environmental law organizations based in Rio De Janeiro, Brazil
- Environmental law organizations based in Sao Paulo, Brazil
- Environmental law organizations based in Australia
- Environmental law organizations based in Belgium
- Environmental law organizations based in Brazil
- Environmental law organizations based in Canada
- Environmental law organizations based in Chile
- Environmental law organizations based in Colombia
- Environmental law organizations based in France
Cite this list
RevenueBase Data Team. Top 25 environmental law organizations based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/environmental-law-organizations/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Environmental law organizations based in Belo Horizonte, Brazil
- Environmental law organizations based in Curitiba, Brazil
- Environmental law organizations based in Porto Alegre, Brazil
- Environmental law organizations based in Rio De Janeiro, Brazil
- Environmental law organizations based in Sao Paulo, Brazil
- Environmental law organizations based in Australia
Company intelligence · public preview
Top 25 environmental law organizations based in the United States
RevenueBase records 915 matching company records for environmental law organizations based in the United States, with 17,457 tracked contacts and 8,914 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 environmental law organizations based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Ballard Spahr LLPballardspahr.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 1,682 contacts → |
“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 942 contacts → |
“NRDC is the nation's most effective environmental action organization.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Earthjusticeearthjustice.org HQ: San Francisco, United StatesReported employees: 501-1,000 | San Francisco, United States | 501-1,000 | Exact match | 672 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Jackson Kelly Pllcjacksonkelly.com HQ: Charleston, WV, United StatesReported employees: 201-500 | Charleston, WV, United States | 201-500 | Exact match | 330 contacts → |
“Jackson Kelly PLLC is a national law firm representing leading global corporations, national companies, entrepreneurs and individuals in areas of law such as environmental…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Beveridge & Diamond PCbdlaw.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 328 contacts → |
“Beveridge & Diamond’s 170+ lawyers in 7 U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metiri Groupapplinc.com HQ: Clovis, CA, United StatesReported employees: Not recorded | Clovis, CA, United States | Not recorded | Exact match | 233 contacts → |
“Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Keller And Heckman LLPkhlaw.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 230 contacts → |
“Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 218 contacts → |
“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Musick, Peeler & Garrettmusickpeeler.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 204 contacts → |
“Musick Peeler, a premier law firm with over 80 attorneys across five offices in major commercial centers of California, exemplifies excellence in legal service.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The Wilderness Societywilderness.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 199 contacts → |
“The Wilderness Society (TWS) is the leading conservation organization working to protect America’s wild places and public lands for the health of local communities, wildlife, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Conservation LAW Foundationclf.org HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 174 contacts → |
“Since 1966, CLF has taken on powerful opponents who would pollute our air and water and squander our resources.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | VAN Ness Feldman LLPvnf.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 174 contacts → |
“Van Ness Feldman is a nationally recognized mid-sized law firm specializing in the areas of energy, environment, and natural resources law and policy, with offices in Washington…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecorp Consulting, INCecorpconsulting.com HQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 166 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Haight Brown & Bonesteelhbblaw.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 157 contacts → |
“From civil litigation to business transactions, Haight Brown & Bonesteel LLP provides practical and effective resolution advice to the most perplexing disputes, ranging from early…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | earthday.orgearthday.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 144 contacts → |
“EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mostardi Plattmostardiplatt.com HQ: Elmhurst, IL, United StatesReported employees: 51-200 | Elmhurst, IL, United States | 51-200 | Exact match | 140 contacts → |
“Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cades Schutte LLPcades.com HQ: Honolulu, HI, United StatesReported employees: 51-200 | Honolulu, HI, United States | 51-200 | Exact match | 138 contacts → |
“Cades Schutte is a full-service law firm in Hawai‘i with around 80 attorneys.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Genova Burns LLCgenovaburns.com HQ: Newark, NJ, United StatesReported employees: 51-200 | Newark, NJ, United States | 51-200 | Exact match | 126 contacts → |
“With attorneys admitted to the bar in New York, New Jersey, Pennsylvania, and the District of Columbia, and with offices across the region, Genova Burns LLC provides special…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Edelson PCedelson.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 125 contacts → |
“EDELSON PC is a law firm concentrating on high-stake’s plaintiff’s work ranging from class and mass actions to public client investigations and prosecutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Environmental Working Groupewg.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 120 contacts → |
“The Environmental Working Group is a non-profit, non-partisan organization dedicated to protecting human health and the environment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cascadia Consulting Groupcascadiaconsulting.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 110 contacts → |
“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Techlawtechlawinc.com HQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hart & Hickman, PCharthickman.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 103 contacts → |
“Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Environmental LAW Instituteeli.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 102 contacts → |
“The Environmental Law Institute (ELI) makes law work for people, places, and the planet.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Chambers Group, INCchambersgroupinc.com HQ: Costa Mesa, CA, United StatesReported employees: 51-200 | Costa Mesa, CA, United States | 51-200 | Exact match | 98 contacts → |
“Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 915 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Environmental law organizations: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
915 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 915 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for environmental law organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many environmental law organizations did RevenueBase find based in the United States?
The saved snapshot records 915 matching company records, 17,457 tracked contacts and 8,914 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Environmental law organizations by geography
- Environmental law organizations based in Belo Horizonte, Brazil
- Environmental law organizations based in Curitiba, Brazil
- Environmental law organizations based in Porto Alegre, Brazil
- Environmental law organizations based in Rio De Janeiro, Brazil
- Environmental law organizations based in Sao Paulo, Brazil
- Environmental law organizations based in Australia
- Environmental law organizations based in Belgium
- Environmental law organizations based in Brazil
- Environmental law organizations based in Canada
- Environmental law organizations based in Chile
- Environmental law organizations based in Colombia
- Environmental law organizations based in France
Cite this list
RevenueBase Data Team. Top 25 environmental law organizations based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/environmental-law-organizations/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Environmental law organizations based in Belo Horizonte, Brazil
- Environmental law organizations based in Curitiba, Brazil
- Environmental law organizations based in Porto Alegre, Brazil
- Environmental law organizations based in Rio De Janeiro, Brazil
- Environmental law organizations based in Sao Paulo, Brazil
- Environmental law organizations based in Australia