Company lists · Data refreshed September 2026

Top 25 Endangered species programs worldwide

RevenueBase identified 1,180 company matches for endangered species programs worldwide as of September 2026 and tracks 40,384 professional contacts across them, including 10,637 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for endangered species programs 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 19, 2026. Country and city lists for endangered species programs 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 19, 2026 How this list was built
1,180Companies
40,384Contacts tracked
10,637Verified emails
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The 25 largest endangered species programs worldwide

Ranked by team size
Top 25 of 1,180 company matches for endangered species programs worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchArlington, VA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
2Exact matchGland, SwitzerlandHQ recorded Sep 19, 20261,001-5,0003,763 contacts →

Exact match

“Nature is our life-support system.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBronx, NY, United StatesHQ recorded Sep 19, 20261,001-5,0003,663 contacts →

Exact match

“WCS stands for wildlife and wild places.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 19, 20261,001-5,0001,290 contacts →

Exact match

“Our planet faces many big conservation challenges.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
6Exact matchSingaporeHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
7Exact matchReston, VA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
8Exact matchCambridge, United KingdomHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
9Exact matchLincoln, MA, United StatesHQ recorded Sep 19, 2026201-500554 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchParkville, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
11Exact matchMosman, AustraliaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
12Exact matchSt Aignan, FranceHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
13Exact matchWoking, United KingdomHQ recorded Sep 19, 2026201-500411 contacts →

Exact match

“We're WWF, the charity working to bring our world back to life.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchRochefort, FranceHQ recorded Sep 19, 2026201-500352 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 · Sep 19, 2026 · View company records in RevenueBase
15Exact matchFrankfurt, GermanyHQ recorded Sep 19, 20261,001-5,000321 contacts →

Exact match

“The Frankfurt Zoological Society (FZS) was established in 1858 and is an internationally operating conservation organisation based in Frankfurt/Main.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchCalgary, AB, CanadaHQ recorded Sep 19, 2026201-500304 contacts →

Exact match

“Founded in 1929, the Wilder Institute/Calgary Zoo is Canada’s most visited zoo and a cherished family destination for locals and visitors alike.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchNairobi, KenyaHQ recorded Sep 19, 202651-200295 contacts →

Exact match

“The African Wildlife Foundation, together with the people of Africa, works to ensure the wildlife and wild lands of Africa will endure forever.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchBelén De Escobar, ArgentinaHQ recorded Sep 19, 2026201-500281 contacts →

Exact match

“Somos una organización argentina de alcance internacional cuyo propósito es conservar y restaurar la biodiversidad.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchBerlin, GermanyHQ recorded Sep 19, 2026n/a272 contacts →

Exact match

“Planet Wild is a global community of people who care deeply about nature and want to help our planet bounce back.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-200252 contacts →

Exact match

“The National Fish and Wildlife Foundation (NFWF) works with partners to foster sustainable and impactful conservation solutions so that people and nature thrive together.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchTucson, AZ, United StatesHQ recorded Sep 19, 202651-200219 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 · Sep 19, 2026 · View company records in RevenueBase
22Exact matchSubiaco, AustraliaHQ recorded Sep 19, 2026201-500214 contacts →

Exact match

“Australian Wildlife Conservancy (AWC) is a global leader in conservation, working across iconic Australian locations like the Kimberley, Central Australia, Cape York and Kati…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchNoida, IndiaHQ recorded Sep 19, 202651-200207 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchTrinity, United KingdomHQ recorded Sep 19, 202651-200206 contacts →

Exact match

“Durrell Wildlife Conservation Trust strives to support endangered animals from extinction.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-200202 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 · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,180 endangered species programs worldwide

See the full list, filter by size, metro and specialty, and access 10,637 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Endangered species programs worldwide at a glance

As of Sep 19, 2026
26.3%Verified-email coverage
34.2Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
669
11-50
326
51-200
118
201-500
37
501-1,000
9
1,001-5,000
9
5,001-10,000
1
10001+
1

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 endangered species programs are linked below.
What qualifies
Company records worldwide whose business descriptions match “endangered species programs” 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 10,637 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.

Endangered species programs by location

8 lists · largest first

Every Endangered species programs 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 “endangered species programs”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many endangered species programs are there worldwide?

RevenueBase identified 1,180 company matches for endangered species programs 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 endangered species programs?

The United States leads with 236 companies, followed by India (78) and the United Kingdom (62). Every endangered species programs list by country and city is linked on this page.

Which city has the most endangered species programs?

London leads with 15 company records, followed by Singapore (10) and Washington (10).

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 10,637 professional contacts with verified work emails tracked across these 1,180 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.

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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.