Company lists · Data refreshed November 2026

Top 25 Biodiversity organizations worldwide

Name: Biodiversity organizations worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 18,367 companies tracked

RevenueBase identified 18,367 company matches for biodiversity organizations worldwide as of November 2026 and tracks 247,431 professional contacts across them, including 60,268 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for biodiversity organizations 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 biodiversity organizations 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

18,367Companies

247,431Contacts tracked

60,268Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest biodiversity organizations worldwide

Ranked by team size

Top 25 of 18,367 company matches for biodiversity organizations 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	The Nature Conservancy	Exact match	Arlington, NC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	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	WWF	Exact match	Gland, SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	3,922 contacts →
	Exact match “Nature is our life-support system.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Wildlife Conservation Society	Exact match	Bronx, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	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
4	Greenpeace	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	n/a	3,207 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
5	Inra French National Institute For Agricultural Research	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	2,970 contacts →
	Exact match “INRAE, the French National Institute for Agriculture, Food and Environment, created on 1st of January 2020, is a major player in research and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	RSPB	Exact match	Sandy, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,109 contacts →
	Exact match “Passionate about nature, dedicated to saving it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	IUCN	Exact match	Gland, SwitzerlandHQ recorded Nov 6, 2026	501-1,000	1,996 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
8	Conservation International	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	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
9	Museum National D'histoire Naturelle	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,515 contacts →
	Exact match “Au carrefour des sciences de la Vie, de la Terre et de l'Homme, le Muséum national d'Histoire naturelle se consacre, depuis des siècles, à la diversité biologique, géologique et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Environmental Defense Fund	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,446 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
11	World Wildlife Fund	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	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
12	World Resources Institute	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	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
13	Natural Resources Defense Council Nrdc	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	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
14	Zoological Society Of London ZSL	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	999 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 · Nov 6, 2026 · View company records in RevenueBase
15	Mandai Wildlife Group	Exact match	SingaporeHQ recorded Nov 6, 2026	1,001-5,000	968 contacts →
	Exact match “Mandai Wildlife Group is dedicated to caring for the planet and protecting animals and nature.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	National Audubon Society	Exact match	New York, DC, United StatesHQ recorded Nov 6, 2026	501-1,000	953 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 · Nov 6, 2026 · View company records in RevenueBase
17	Koppert	Exact match	Berkel En Rodenrijs, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	878 contacts →
	Exact match “To make our world more sustainable, we need ways of growing that are both safe and healthy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	WWF Indonesia	Exact match	Jakarta Selatan Dki Jakarta, United StatesHQ recorded Nov 6, 2026	201-500	791 contacts →
	Exact match “Yayasan WWF Indonesia adalah organisasi masyarakat madani berbadan hukum Indonesia yang bergerak di bidang konservasi alam dan pembangunan berkelanjutan, dengan dukungan lebih…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Ezemvelo KZN Wildlife	Exact match	Msunduzi, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	790 contacts →
	Exact match “Ezemvelo KZN Wildlife is the provincial agency mandated to carry out biodiversity conservation and associated activities in the province of KwaZulu–Natal.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Wilderness	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	767 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 · Nov 6, 2026 · View company records in RevenueBase
21	African Parks Network	Exact match	Bryanston, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	695 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 · Nov 6, 2026 · View company records in RevenueBase
22	South African National Biodiversity Institute	Exact match	South AfricaHQ recorded Nov 6, 2026	501-1,000	656 contacts →
	Exact match “SANBI is a comapny that manages the 9 national botanical gardens in the country and it monitors and reports to the Minister of Water and Environmental Affairs on the status of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Cincinnati ZOO & Botanical Garden	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 6, 2026	201-500	636 contacts →
	Exact match “Adventure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	National Wildlife Federation	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	201-500	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
25	Naturalis Biodiversity Center	Exact match	Leiden, NetherlandsHQ recorded Nov 6, 2026	501-1,000	619 contacts →
	Exact match “We are Naturalis Biodiversity Center.” 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 “biodiversity organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 18,367 biodiversity organizations worldwide

See the full list, filter by size, metro and specialty, and access 60,268 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Biodiversity organizations worldwide at a glance

As of Nov 6, 2026

24.4%Verified-email coverage

13.5Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11,421

11-50

4,682

51-200

1,384

201-500

414

501-1,000

138

1,001-5,000

111

5,001-10,000

10001+

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 biodiversity organizations are linked below.
What qualifies: Company records worldwide whose business descriptions match “biodiversity organizations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. 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 60,268 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.

Biodiversity organizations by location

93 lists · largest first

Every Biodiversity organizations 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 “biodiversity organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biodiversity organizations are there worldwide?

RevenueBase identified 18,367 company matches for biodiversity organizations 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 biodiversity organizations?

The United States leads with 2,226 companies, followed by France (1,325) and Brazil (1,034). Every biodiversity organizations list by country and city is linked on this page.

Which city has the most biodiversity organizations?

London leads with 249 company records, followed by Paris (207) and Sao Paulo (175).

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 60,268 professional contacts with verified work emails tracked across these 18,367 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 18,367 biodiversity organizations worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.