Company lists · Data refreshed November 2026

Top 25 Ecological research organizations worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 11,230 companies tracked

RevenueBase identified 11,230 company matches for ecological research organizations worldwide as of November 2026 and tracks 156,102 professional contacts across them, including 42,451 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for ecological research 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 ecological research 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

11,230Companies

156,102Contacts tracked

42,451Verified emails

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The 25 largest ecological research organizations worldwide

Ranked by team size

Top 25 of 11,230 company matches for ecological research 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	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
3	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
4	Swca Environmental Consultants	Exact match	Phoenix, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,695 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	DHI	Exact match	Hørsholm, DenmarkHQ recorded Nov 6, 2026	1,001-5,000	1,544 contacts →
	Exact match “There is no substitute for water.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	AREP	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	1,336 contacts →
	Exact match “AREP is a multidisciplinary practice which brings together the specialities and areas of expertise essential to provide practical solutions, through its EMC2B approach, to the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	ICIPE	Exact match	Nairobi, KenyaHQ recorded Nov 6, 2026	201-500	921 contacts →
	Exact match “icipe – the International Centre of Insect Physiology and Ecology – was established in 1970 in direct response to the need for alternative and environmentally friendly pest and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Institute Of Marine Research IMR , Norway	Exact match	Bergen, NorwayHQ recorded Nov 6, 2026	1,001-5,000	827 contacts →
	Exact match “The Institute of Marine Research (IMR) is one of the biggest research institute of its kind in Europe, with over employees.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Helmholtz Centre For Environmental Research UFZ	Exact match	Leipzig, GermanyHQ recorded Nov 6, 2026	1,001-5,000	826 contacts →
	Exact match “The Helmholtz Centre for Environmental Research - UFZ was established in 1991 and has more than 1,100 employees in Leipzig, Halle/S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ISPRA	Exact match	Rome, ItalyHQ recorded Nov 6, 2026	1,001-5,000	816 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
14	Centre For Alternative Technology	Exact match	Machynlleth, United KingdomHQ recorded Nov 6, 2026	n/a	654 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
15	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
16	CEFAS	Exact match	Lowestoft, United KingdomHQ recorded Nov 6, 2026	501-1,000	582 contacts →
	Exact match “Cefas (Centre for Environment, Fisheries and Aquaculture Science) is an internationally renowned aquatic scientific research and consultancy centre.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Mass Audubon	Exact match	Lincoln, MA, United StatesHQ recorded Nov 6, 2026	201-500	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
18	Eocene Environmental Group	Exact match	United StatesHQ recorded Nov 6, 2026	501-1,000	560 contacts →
	Exact match “A passionate leader in the environmental stewardship industry, Eocene Environmental Group is built on years of enduring relationships and partnerships with a sustainable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Biotope	Exact match	Mèze, FranceHQ recorded Nov 6, 2026	201-500	555 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
20	IVL Swedish Environmental Research Institute	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	201-500	519 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
21	EAWAG	Exact match	Dübendorf, SwitzerlandHQ recorded Nov 6, 2026	201-500	516 contacts →
	Exact match “Eawag is a world-leading aquatic research institute.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Finnish Environment Institute Syke	Exact match	Helsinki, FinlandHQ recorded Nov 6, 2026	501-1,000	496 contacts →
	Exact match “It is time to move beyond solving environmental problems one by one, to systemic sustainability transformations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Mote Marine Laboratory & Aquarium	Exact match	Sarasota, FL, United StatesHQ recorded Nov 6, 2026	201-500	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
24	Sete Soluções E Tecnologia Ambiental	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	501-1,000	466 contacts →
	Exact match “Somos uma das maiores consultorias em meio ambiente do Brasil, fundada em 1997, contando, hoje, com uma equipe técnica multidisciplinar permanente, que congrega profissionais das…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Foundation For Ecological Security FES	Exact match	Anand, IndiaHQ recorded Nov 6, 2026	201-500	465 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

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 “ecological research 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 11,230 ecological research organizations worldwide

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Ecological research organizations worldwide at a glance

As of Nov 6, 2026

27.2%Verified-email coverage

13.9Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · Paris

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,913

11-50

2,977

51-200

850

201-500

221

501-1,000

1,001-5,000

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 ecological research organizations are linked below.
What qualifies: Company records worldwide whose business descriptions match “ecological research 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 42,451 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.

Ecological research organizations by location

55 lists · largest first

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

How many ecological research organizations are there worldwide?

RevenueBase identified 11,230 company matches for ecological research 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 ecological research organizations?

The United States leads with 1,647 companies, followed by France (787) and Brazil (731). Every ecological research organizations list by country and city is linked on this page.

Which city has the most ecological research organizations?

Paris leads with 109 company records, followed by London (87) and Sao Paulo (81).

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 42,451 professional contacts with verified work emails tracked across these 11,230 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.