Company lists · Data refreshed November 2026

Top 25 Environmental research nonprofits worldwide

RevenueBase identified 7,234 company matches for environmental research nonprofits worldwide as of November 2026 and tracks 97,312 professional contacts across them, including 28,441 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for environmental research nonprofits worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for environmental research nonprofits follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
7,234Companies
97,312Contacts tracked
28,441Verified emails
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The 25 largest environmental research nonprofits worldwide

Ranked by team size
Top 25 of 7,234 company matches for environmental research nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchArlington, NC, United StatesHQ recorded Nov 6, 20265,001-10,0006,991 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
2Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 2026n/a3,207 contacts →

Exact match

“Greenpeace is comprised of 25 independent national/regional organisations in over 55 countries across Europe, the Americas, Africa, Asia and the Pacific, as well as a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGland, SwitzerlandHQ recorded Nov 6, 2026501-1,0001,996 contacts →

Exact match

“IUCN, the International Union for Conservation of Nature, helps the world find pragmatic solutions to our most pressing environment and development challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchArlington, VA, United StatesHQ recorded Nov 6, 2026501-1,0001,622 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
5Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,0001,446 contacts →

Exact match

“We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261,001-5,0001,369 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
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,0001,011 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
8Exact matchArlington, WA, United StatesHQ recorded Nov 6, 2026201-500880 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
9Exact matchRome, ItalyHQ recorded Nov 6, 20261,001-5,000816 contacts →

Exact match

“ISPRA è l'Istituto Superiore per la Protezione e la Ricerca Ambientale, ente pubblico di ricerca italiano dedicato alla protezione dell'ambiente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CO, United StatesHQ recorded Nov 6, 2026501-1,000733 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
11Exact matchMachynlleth, United KingdomHQ recorded Nov 6, 2026n/a654 contacts →

Exact match

“Mae Canolfan y Dechnoleg Amgen yn elusen addysg amgylcheddol sydd wedi bod yn rhannu atebion i faterion amgylcheddol ac ymchwilio iddyn nhw ers dros 50 mlynedd – gan weithio tuag…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLincoln, MA, United StatesHQ recorded Nov 6, 2026201-500575 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
13Exact matchMèze, FranceHQ recorded Nov 6, 2026201-500555 contacts →

Exact match

“Fondée en 1993 par des passionnés de nature engagés, Biotope s’est imposée au fil des années comme précurseur et leader mondial de l’ingénierie environnementale et de la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500519 contacts →

Exact match

“IVL Swedish Environmental Research Institute is an independent, non-profit research organisation owned by a foundation established by the Swedish government and industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOsaka, JapanHQ recorded Nov 6, 202610001+505 contacts →

Exact match

“Taking on the challenge, through the power of technology, to create a world that lives in balance with nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 2026201-500493 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
17Exact matchAnand, IndiaHQ recorded Nov 6, 2026201-500465 contacts →

Exact match

“We work towards the ecological restoration and conservation of land and water resources, in conserving the uplands and other eco-fragile, degraded and marginalised zones of the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAshburn, VA, United StatesHQ recorded Nov 6, 2026201-500415 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
19Exact matchStratford-upon-avon, United KingdomHQ recorded Nov 6, 2026201-500404 contacts →

Exact match

“Valpak, a Reconomy brand, is an EcoVadis Platinum certified leader in environmental compliance, recycling, and sustainability solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchArlington, VA, United StatesHQ recorded Nov 6, 202651-200396 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
21Exact matchRochefort, FranceHQ recorded Nov 6, 2026201-500386 contacts →

Exact match

“La LPO a pour objet d'agir ou de favoriser les actions en faveur de la nature et de la biodiversité dans les domaines de la connaissance, l’expertise et la recherche; la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNagpur, IndiaHQ recorded Nov 6, 2026201-500378 contacts →

Exact match

“National Environmental Engineering Research Institute (NEERI), a constituent laboratory of CSIR endeavours to provide Leadership in environmental science and engineering for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026201-500367 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
24Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500355 contacts →

Exact match

“We are a non-profit using the power of the law to bring about end-to-end systemic change: informing, implementing and enforcing the law, drafting and advising decision-makers on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+344 contacts →

Exact match

“At Ambipar, we are all caretakers of the planet!”

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

Showing 25 of 7,234 environmental research nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 28,441 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental research nonprofits worldwide at a glance

As of Nov 6, 2026
29.2%Verified-email coverage
13.5Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4,577
11-50
1,904
51-200
490
201-500
128
501-1,000
38
1,001-5,000
27
5,001-10,000
8
10001+
13

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for environmental research nonprofits are linked below.
What qualifies
Company records worldwide whose business descriptions match “environmental research 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. 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 28,441 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 research nonprofits by location

39 lists · largest first

Every Environmental research nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “environmental research nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental research nonprofits are there worldwide?

RevenueBase identified 7,234 company matches for environmental research nonprofits worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most environmental research nonprofits?

The United States leads with 1,569 companies, followed by India (564) and Brazil (332). Every environmental research nonprofits list by country and city is linked on this page.

Which city has the most environmental research nonprofits?

London leads with 64 company records, followed by New York (63) and New Delhi (61).

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 28,441 professional contacts with verified work emails tracked across these 7,234 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.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.