Company lists · Data refreshed November 2026
Top 25 Environmental science nonprofits based in the United States
RevenueBase identified 2,257 company matches for environmental science nonprofits associated with the United States as of November 2026 and tracks 56,093 professional contacts across them, including 19,950 with verified work emails. Washington is the largest hub.
This list covers company matches for environmental science nonprofits 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 November 6, 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 science nonprofits based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,991 contacts → | ||||
Exact match “Air, water, food, shelter, income: nature sustains every aspect of our lives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 3,872 contacts → | ||||
Exact match “WCS stands for wildlife and wild places.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,622 contacts → | ||||
Exact match “Since 1987, Conservation International has worked to spotlight and secure the critical benefits that nature provides to humanity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,384 contacts → | ||||
Exact match “Our planet faces many big conservation challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,369 contacts → | ||||
Exact match “WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,156 contacts → | ||||
Exact match “At the Sierra Club, we believe in the power of togetherness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,011 contacts → | ||||
Exact match “NRDC is the nation's most effective environmental action organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 880 contacts → | ||||
Exact match “The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 795 contacts → | ||||
Exact match “The mission of the nonprofit Monterey Bay Aquarium is to inspire conservation of the ocean.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 733 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 622 contacts → | ||||
Exact match “As America's largest non-profit conservation organization, the National Wildlife Federation works closely with those who span the social and political spectrum, but who are…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 575 contacts → | ||||
Exact match “Mass Audubon is the largest nature-based conservation organization in New England.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 493 contacts → | ||||
Exact match “Founded in 1955, Mote Marine Laboratory & Aquarium is an independent, nonprofit 501(c)3 research organization based in Sarasota, Fla, with additional field stations in eastern…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 475 contacts → | ||||
Exact match “The New England Aquarium is a catalyst for global change through public engagement, commitment to marine animal conservation, leadership in education, innovative scientific…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 415 contacts → | ||||
Exact match “At Providencia we are focused on positively impacting the communities where we operate, the lives of vulnerable and underserved populations around the world, and the health of our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 396 contacts → | ||||
Exact match “Rare is a global leader in driving social change for people and nature.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 373 contacts → | ||||
Exact match “Lynker delivers innovative solutions to support global environmental security and economic prosperity as a trusted partner to governments, communities, and industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 367 contacts → | ||||
Exact match “IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 256 contacts → | ||||
Exact match “Our mission is to use rigorous, independent science to solve our planet's most pressing problems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 241 contacts → | ||||
Exact match “Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 238 contacts → | ||||
Exact match “We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 237 contacts → | ||||
Exact match “At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature, to the existence in our world of a vast diversity of wild animals…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 237 contacts → | ||||
Exact match “Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 224 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 219 contacts → | ||||
Exact match “Defenders of Wildlife is dedicated to the protection of all native animals and plants in their natural communities.” Recorded in the RevenueBase company graph · Nov 6, 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 science nonprofits”. 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 2,257 environmental science nonprofits based in the United States
See the full list, filter by size, metro and specialty, and access 19,950 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Environmental science nonprofits based in the United States at a glance
As of Nov 6, 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 2,257 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 science nonprofits” 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 19,950 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 science nonprofits by metro
- Environmental science nonprofits in Washington87
- Environmental science nonprofits in New York84
- Environmental science nonprofits in San Francisco45
- Environmental science nonprofits in Portland43
- Environmental science nonprofits in Los Angeles40
- Environmental science nonprofits in Seattle35
- Environmental science nonprofits in San Diego29
- Environmental science nonprofits in Atlanta28
- Environmental science nonprofits in Denver25
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 science nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental science nonprofits are there based in the United States?
RevenueBase identified 2,257 company matches for environmental science nonprofits associated with the United States 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?
The Nature Conservancy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most environmental science nonprofits?
Washington leads with 87 company records, followed by New York (84) and San Francisco (45).
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 19,950 professional contacts with verified work emails tracked across these 2,257 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 2,257 environmental science nonprofits based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Environmental science nonprofits by geography
- Environmental science nonprofits based in Sydney, Australia
- Environmental science nonprofits based in Sao Paulo, Brazil
- Environmental science nonprofits based in Montreal, Canada
- Environmental science nonprofits based in Toronto, Canada
- Environmental science nonprofits based in Vancouver, Canada
- Environmental science nonprofits based in Paris, France
- Environmental science nonprofits based in Berlin, Germany
- Environmental science nonprofits based in Bangalore, India
- Environmental science nonprofits based in New Delhi, India
- Environmental science nonprofits based in Madrid, Spain
- Environmental science nonprofits based in London, United Kingdom
- Environmental science nonprofits based in Atlanta, United States
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 science nonprofits based in Sydney, Australia
- Environmental science nonprofits based in Sao Paulo, Brazil
- Environmental science nonprofits based in Montreal, Canada
- Environmental science nonprofits based in Toronto, Canada
- Environmental science nonprofits based in Vancouver, Canada
- Environmental science nonprofits based in Paris, France
Company intelligence · public preview
Top 25 environmental science nonprofits 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 2,257 matching company records for environmental science nonprofits based in the United States, with 56,093 tracked contacts and 19,950 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: November 6, 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 science nonprofits 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 |  The Nature Conservancynature.orgHQ: Arlington, NC, United StatesReported employees: 5,001-10,000 | Arlington, NC, United States | 5,001-10,000 | Exact match | 6,991 contacts → |
“Air, water, food, shelter, income: nature sustains every aspect of our lives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Bronx, NY, United StatesReported employees: 1,001-5,000 | Bronx, NY, United States | 1,001-5,000 | Exact match | 3,872 contacts → |
“WCS stands for wildlife and wild places.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Conservation Internationalconservation.orgHQ: Arlington, VA, United StatesReported employees: 501-1,000 | Arlington, VA, United States | 501-1,000 | Exact match | 1,622 contacts → |
“Since 1987, Conservation International has worked to spotlight and secure the critical benefits that nature provides to humanity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  World Wildlife Fundworldwildlife.orgHQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,384 contacts → |
“Our planet faces many big conservation challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  World Resources Institutewri.orgHQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,369 contacts → |
“WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sierra Clubsierraclub.orgHQ: Oakland, CA, United StatesReported employees: 501-1,000 | Oakland, CA, United States | 501-1,000 | Exact match | 1,156 contacts → |
“At the Sierra Club, we believe in the power of togetherness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 1,011 contacts → |
“NRDC is the nation's most effective environmental action organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Student Conservation Associationthesca.orgHQ: Arlington, WA, United StatesReported employees: 201-500 | Arlington, WA, United States | 201-500 | Exact match | 880 contacts → |
“The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Monterey BAY Aquariummontereybayaquarium.orgHQ: Monterey, CA, United StatesReported employees: 501-1,000 | Monterey, CA, United States | 501-1,000 | Exact match | 795 contacts → |
“The mission of the nonprofit Monterey Bay Aquarium is to inspire conservation of the ocean.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Earthjusticeearthjustice.orgHQ: San Francisco, CO, United StatesReported employees: 501-1,000 | San Francisco, CO, United States | 501-1,000 | Exact match | 733 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  National Wildlife Federationnwf.orgHQ: Reston, VA, United StatesReported employees: 201-500 | Reston, VA, United States | 201-500 | Exact match | 622 contacts → |
“As America's largest non-profit conservation organization, the National Wildlife Federation works closely with those who span the social and political spectrum, but who are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mass Audubonmassaudubon.orgHQ: Lincoln, MA, United StatesReported employees: 201-500 | Lincoln, MA, United States | 201-500 | Exact match | 575 contacts → |
“Mass Audubon is the largest nature-based conservation organization in New England.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Sarasota, FL, United StatesReported employees: 201-500 | Sarasota, FL, United States | 201-500 | Exact match | 493 contacts → |
“Founded in 1955, Mote Marine Laboratory & Aquarium is an independent, nonprofit 501(c)3 research organization based in Sarasota, Fla, with additional field stations in eastern…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  NEW England Aquariumneaq.orgHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 475 contacts → |
“The New England Aquarium is a catalyst for global change through public engagement, commitment to marine animal conservation, leadership in education, innovative scientific…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  The Providencia Grouptheprovidenciagroup.comHQ: Ashburn, VA, United StatesReported employees: 201-500 | Ashburn, VA, United States | 201-500 | Exact match | 415 contacts → |
“At Providencia we are focused on positively impacting the communities where we operate, the lives of vulnerable and underserved populations around the world, and the health of our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  RARErare.orgHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 396 contacts → |
“Rare is a global leader in driving social change for people and nature.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Lynkerlynker.comHQ: Leesburg, HI, United StatesReported employees: 501-1,000 | Leesburg, HI, United States | 501-1,000 | Exact match | 373 contacts → |
“Lynker delivers innovative solutions to support global environmental security and economic prosperity as a trusted partner to governments, communities, and industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  IFAWifaw.orgHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 367 contacts → |
“IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Union Of Concerned Scientistsucsusa.orgHQ: Cambridge, MA, United StatesReported employees: 201-500 | Cambridge, MA, United States | 201-500 | Exact match | 256 contacts → |
“Our mission is to use rigorous, independent science to solve our planet's most pressing problems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ceres, INCceres.orgHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 241 contacts → |
“Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The Conservation Fundconservationfund.orgHQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 238 contacts → |
“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Center For Biological Diversitybiologicaldiversity.orgHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 237 contacts → |
“At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature, to the existence in our world of a vast diversity of wild animals…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Seaside Sustainabilityseasidesustainability.orgHQ: Gloucester, MA, United StatesReported employees: 51-200 | Gloucester, MA, United States | 51-200 | Exact match | 237 contacts → |
“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 224 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Defenders Of Wildlifedefenders.orgHQ: Washington, CO, United StatesReported employees: 51-200 | Washington, CO, United States | 51-200 | Exact match | 219 contacts → |
“Defenders of Wildlife is dedicated to the protection of all native animals and plants in their natural communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,257 company matches
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Environmental science nonprofits: dataset insights
November 6, 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
2,247 records in the displayed employee bands.
10 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 2,257 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: November 6, 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 ↗
Environmental science nonprofits by metro
- Environmental science nonprofits in Washington87
- Environmental science nonprofits in New York84
- Environmental science nonprofits in San Francisco45
- Environmental science nonprofits in Portland43
- Environmental science nonprofits in Los Angeles40
- Environmental science nonprofits in Seattle35
- Environmental science nonprofits in San Diego29
- Environmental science nonprofits in Atlanta28
- Environmental science nonprofits in Denver25
Questions about this company list
What does Exact match mean for environmental science nonprofits?
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 science nonprofits did RevenueBase find based in the United States?
The saved snapshot records 2,257 matching company records, 56,093 tracked contacts and 19,950 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: November 6, 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 science nonprofits by geography
- Environmental science nonprofits based in Sydney, Australia
- Environmental science nonprofits based in Sao Paulo, Brazil
- Environmental science nonprofits based in Montreal, Canada
- Environmental science nonprofits based in Toronto, Canada
- Environmental science nonprofits based in Vancouver, Canada
- Environmental science nonprofits based in Paris, France
- Environmental science nonprofits based in Berlin, Germany
- Environmental science nonprofits based in Bangalore, India
- Environmental science nonprofits based in New Delhi, India
- Environmental science nonprofits based in Madrid, Spain
- Environmental science nonprofits based in London, United Kingdom
- Environmental science nonprofits based in Atlanta, United States
Cite this list
RevenueBase Data Team. Top 25 environmental science nonprofits based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/environmental-science-nonprofits/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 science nonprofits based in Sydney, Australia
- Environmental science nonprofits based in Sao Paulo, Brazil
- Environmental science nonprofits based in Montreal, Canada
- Environmental science nonprofits based in Toronto, Canada
- Environmental science nonprofits based in Vancouver, Canada
- Environmental science nonprofits based in Paris, France
Company intelligence · public preview
Top 25 environmental science nonprofits based in the United States
RevenueBase records 2,257 matching company records for environmental science nonprofits based in the United States, with 56,093 tracked contacts and 19,950 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: November 6, 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 science nonprofits 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 | The Nature Conservancynature.org HQ: Arlington, NC, United StatesReported employees: 5,001-10,000 | Arlington, NC, United States | 5,001-10,000 | Exact match | 6,991 contacts → |
“Air, water, food, shelter, income: nature sustains every aspect of our lives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Bronx, NY, United StatesReported employees: 1,001-5,000 | Bronx, NY, United States | 1,001-5,000 | Exact match | 3,872 contacts → |
“WCS stands for wildlife and wild places.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Conservation Internationalconservation.org HQ: Arlington, VA, United StatesReported employees: 501-1,000 | Arlington, VA, United States | 501-1,000 | Exact match | 1,622 contacts → |
“Since 1987, Conservation International has worked to spotlight and secure the critical benefits that nature provides to humanity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | World Wildlife Fundworldwildlife.org HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,384 contacts → |
“Our planet faces many big conservation challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | World Resources Institutewri.org HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,369 contacts → |
“WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sierra Clubsierraclub.org HQ: Oakland, CA, United StatesReported employees: 501-1,000 | Oakland, CA, United States | 501-1,000 | Exact match | 1,156 contacts → |
“At the Sierra Club, we believe in the power of togetherness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 1,011 contacts → |
“NRDC is the nation's most effective environmental action organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Student Conservation Associationthesca.org HQ: Arlington, WA, United StatesReported employees: 201-500 | Arlington, WA, United States | 201-500 | Exact match | 880 contacts → |
“The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Monterey BAY Aquariummontereybayaquarium.org HQ: Monterey, CA, United StatesReported employees: 501-1,000 | Monterey, CA, United States | 501-1,000 | Exact match | 795 contacts → |
“The mission of the nonprofit Monterey Bay Aquarium is to inspire conservation of the ocean.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Earthjusticeearthjustice.org HQ: San Francisco, CO, United StatesReported employees: 501-1,000 | San Francisco, CO, United States | 501-1,000 | Exact match | 733 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | National Wildlife Federationnwf.org HQ: Reston, VA, United StatesReported employees: 201-500 | Reston, VA, United States | 201-500 | Exact match | 622 contacts → |
“As America's largest non-profit conservation organization, the National Wildlife Federation works closely with those who span the social and political spectrum, but who are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mass Audubonmassaudubon.org HQ: Lincoln, MA, United StatesReported employees: 201-500 | Lincoln, MA, United States | 201-500 | Exact match | 575 contacts → |
“Mass Audubon is the largest nature-based conservation organization in New England.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Sarasota, FL, United StatesReported employees: 201-500 | Sarasota, FL, United States | 201-500 | Exact match | 493 contacts → |
“Founded in 1955, Mote Marine Laboratory & Aquarium is an independent, nonprofit 501(c)3 research organization based in Sarasota, Fla, with additional field stations in eastern…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NEW England Aquariumneaq.org HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 475 contacts → |
“The New England Aquarium is a catalyst for global change through public engagement, commitment to marine animal conservation, leadership in education, innovative scientific…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Providencia Grouptheprovidenciagroup.com HQ: Ashburn, VA, United StatesReported employees: 201-500 | Ashburn, VA, United States | 201-500 | Exact match | 415 contacts → |
“At Providencia we are focused on positively impacting the communities where we operate, the lives of vulnerable and underserved populations around the world, and the health of our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RARErare.org HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 396 contacts → |
“Rare is a global leader in driving social change for people and nature.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lynkerlynker.com HQ: Leesburg, HI, United StatesReported employees: 501-1,000 | Leesburg, HI, United States | 501-1,000 | Exact match | 373 contacts → |
“Lynker delivers innovative solutions to support global environmental security and economic prosperity as a trusted partner to governments, communities, and industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | IFAWifaw.org HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 367 contacts → |
“IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Union Of Concerned Scientistsucsusa.org HQ: Cambridge, MA, United StatesReported employees: 201-500 | Cambridge, MA, United States | 201-500 | Exact match | 256 contacts → |
“Our mission is to use rigorous, independent science to solve our planet's most pressing problems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ceres, INCceres.org HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 241 contacts → |
“Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The Conservation Fundconservationfund.org HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 238 contacts → |
“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Center For Biological Diversitybiologicaldiversity.org HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 237 contacts → |
“At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature, to the existence in our world of a vast diversity of wild animals…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Seaside Sustainabilityseasidesustainability.org HQ: Gloucester, MA, United StatesReported employees: 51-200 | Gloucester, MA, United States | 51-200 | Exact match | 237 contacts → |
“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 224 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Defenders Of Wildlifedefenders.org HQ: Washington, CO, United StatesReported employees: 51-200 | Washington, CO, United States | 51-200 | Exact match | 219 contacts → |
“Defenders of Wildlife is dedicated to the protection of all native animals and plants in their natural communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,257 company matches
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Environmental science nonprofits: dataset insights
November 6, 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
2,247 records in the displayed employee bands.
10 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 2,257 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: November 6, 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 ↗
Environmental science nonprofits by metro
- Environmental science nonprofits in Washington87
- Environmental science nonprofits in New York84
- Environmental science nonprofits in San Francisco45
- Environmental science nonprofits in Portland43
- Environmental science nonprofits in Los Angeles40
- Environmental science nonprofits in Seattle35
- Environmental science nonprofits in San Diego29
- Environmental science nonprofits in Atlanta28
- Environmental science nonprofits in Denver25
Questions about this company list
What does Exact match mean for environmental science nonprofits?
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 science nonprofits did RevenueBase find based in the United States?
The saved snapshot records 2,257 matching company records, 56,093 tracked contacts and 19,950 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: November 6, 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 science nonprofits by geography
- Environmental science nonprofits based in Sydney, Australia
- Environmental science nonprofits based in Sao Paulo, Brazil
- Environmental science nonprofits based in Montreal, Canada
- Environmental science nonprofits based in Toronto, Canada
- Environmental science nonprofits based in Vancouver, Canada
- Environmental science nonprofits based in Paris, France
- Environmental science nonprofits based in Berlin, Germany
- Environmental science nonprofits based in Bangalore, India
- Environmental science nonprofits based in New Delhi, India
- Environmental science nonprofits based in Madrid, Spain
- Environmental science nonprofits based in London, United Kingdom
- Environmental science nonprofits based in Atlanta, United States
Cite this list
RevenueBase Data Team. Top 25 environmental science nonprofits based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/environmental-science-nonprofits/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Environmental science nonprofits based in Sydney, Australia
- Environmental science nonprofits based in Sao Paulo, Brazil
- Environmental science nonprofits based in Montreal, Canada
- Environmental science nonprofits based in Toronto, Canada
- Environmental science nonprofits based in Vancouver, Canada
- Environmental science nonprofits based in Paris, France