Company lists · Data refreshed September 2026

Top 25 Wildlife conservation nonprofits worldwide

RevenueBase identified 3,954 company matches for wildlife conservation nonprofits worldwide as of September 2026 and tracks 84,484 professional contacts across them, including 24,240 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for wildlife conservation 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 September 22, 2026. Country and city lists for wildlife conservation 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 Sep 22, 2026 How this list was built
3,954Companies
84,484Contacts tracked
24,240Verified emails
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The 25 largest wildlife conservation nonprofits worldwide

Ranked by team size
Top 25 of 3,954 company matches for wildlife conservation nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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, VA, United StatesHQ recorded Sep 22, 20265,001-10,0006,526 contacts →

Exact match

“Air, water, food, shelter, income: nature sustains every aspect of our lives.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchGland, SwitzerlandHQ recorded Sep 22, 20261,001-5,0003,763 contacts →

Exact match

“Nature is our life-support system.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchBronx, NY, United StatesHQ recorded Sep 22, 20261,001-5,0003,663 contacts →

Exact match

“WCS stands for wildlife and wild places.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchSandy, United StatesHQ recorded Sep 22, 20261,001-5,0001,969 contacts →

Exact match

“Passionate about nature, dedicated to saving it.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchArlington, VA, United StatesHQ recorded Sep 22, 2026501-1,0001,560 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 · Sep 22, 2026 · View company records in RevenueBase
6Exact matchJohannesburg, South AfricaHQ recorded Sep 22, 20261,001-5,000982 contacts →

Exact match

“As a world leading conservation and hospitality company, we are the proud custodians of our planet's most significant wild places, each chosen to be part of our Collection for a…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 22, 2026501-1,000942 contacts →

Exact match

“NRDC is the nation's most effective environmental action organization.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 22, 20261,001-5,000937 contacts →

Exact match

“As the original science-driven conservation organisation, we’re working to restore wildlife in the UK and around the world.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 22, 2026501-1,000900 contacts →

Exact match

“The National Audubon Society protects birds and the places they need, today and tomorrow, throughout the Americas using science, advocacy, education, and on-the-ground…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Sep 22, 20261,001-5,000874 contacts →

Exact match

“Mandai Wildlife Group is dedicated to caring for the planet and protecting animals and nature.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchCincinnati, OH, United StatesHQ recorded Sep 22, 2026201-500635 contacts →

Exact match

“Adventure.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchBryanston, South AfricaHQ recorded Sep 22, 20261,001-5,000625 contacts →

Exact match

“African Parks is a non-profit conservation organisation that takes on responsibility for the long-term management of protected areas in partnership with governments and local…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchKenyaHQ recorded Sep 22, 2026201-500588 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchReston, VA, United StatesHQ recorded Sep 22, 2026201-500585 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 · Sep 22, 2026 · View company records in RevenueBase
15Exact matchCambridge, United KingdomHQ recorded Sep 22, 2026501-1,000576 contacts →

Exact match

“Fauna & Flora's work spans across the globe, with over 100 projects in more than 40 countries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchLincoln, MA, United StatesHQ recorded Sep 22, 2026201-500554 contacts →

Exact match

“Mass Audubon is the largest nature-based conservation organization in New England.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchParkville, United StatesHQ recorded Sep 22, 2026501-1,000511 contacts →

Exact match

“Zoos Victoria operates four world-class zoos: Melbourne Zoo, Healesville Sanctuary, Werribee Open Range Zoo and Kyabram Fauna Park.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchMosman, AustraliaHQ recorded Sep 22, 2026501-1,000506 contacts →

Exact match

“Taronga Conservation Society Australia is a not-for-profit organisation that is committed to securing a future for wildlife.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Sep 22, 2026201-500502 contacts →

Exact match

“The mission of the Massachusetts Society for the Prevention of Cruelty to Animals is to protect animals, relieve their suffering, advance their health and welfare, prevent…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Sep 22, 2026201-500500 contacts →

Exact match

“Vision We envision a world where wildlife and humans flourish together.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchSt Aignan, FranceHQ recorded Sep 22, 2026501-1,000448 contacts →

Exact match

“Le ZooParc de Beauval n’est pas seulement un lieu d’accueil pour les espèces animales menacées d’extinction dans la nature.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchBrookfield, IL, United StatesHQ recorded Sep 22, 2026501-1,000441 contacts →

Exact match

“The mission of Brookfield Zoo Chicago is to inspire conservation leadership by connecting people to wildlife and nature.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchDenver, CO, United StatesHQ recorded Sep 22, 2026201-500413 contacts →

Exact match

“For 129 years, Denver Zoo Conservation Alliance has connected people with wildlife.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchBerlin, GermanyHQ recorded Sep 22, 2026201-500398 contacts →

Exact match

“WWF is one of the world's largest and most respected independent nature conservation organizations with around 5 million supporters and a global network that is active in over 100…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Sep 22, 2026201-500378 contacts →

Exact match

“The mission of the Appalachian Mountain Club is to foster the protection, enjoyment, and understanding of the outdoors.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 3,954 wildlife conservation nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 24,240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Wildlife conservation nonprofits worldwide at a glance

As of Sep 22, 2026
28.7%Verified-email coverage
21.4Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
2,407
11-50
1,022
51-200
345
201-500
108
501-1,000
20
1,001-5,000
17
5,001-10,000
8
10001+
4

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 wildlife conservation nonprofits are linked below.
What qualifies
Company records worldwide whose business descriptions match “wildlife conservation 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 24,240 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 22, 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.

Wildlife conservation nonprofits by location

16 lists · largest first

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

Countries

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 “wildlife conservation nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many wildlife conservation nonprofits are there worldwide?

RevenueBase identified 3,954 company matches for wildlife conservation nonprofits worldwide 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?

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 wildlife conservation nonprofits?

The United States leads with 1,089 companies, followed by India (259) and the United Kingdom (224). Every wildlife conservation nonprofits list by country and city is linked on this page.

Which city has the most wildlife conservation nonprofits?

London leads with 51 company records, followed by New York (28) and Washington (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 24,240 professional contacts with verified work emails tracked across these 3,954 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 22, 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.