Company lists · Data refreshed November 2026

Top 25 Rainforest research organizations based in the United States

RevenueBase identified 298 company matches for rainforest research organizations associated with the United States as of November 2026 and tracks 14,998 professional contacts across them, including 4,551 with verified work emails. New York is the largest hub.

This list covers company matches for rainforest research organizations associated with the United States, 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.

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
298Companies
14,998Contacts tracked
4,551Verified emails
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The 25 largest rainforest research organizations based in the United States

Ranked by team size
Top 25 of 298 company matches for rainforest research organizations based in the United States, 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 matchWashington, DC, United StatesHQ recorded Nov 6, 20261,001-5,0001,384 contacts →

Exact match

“Our planet faces many big conservation challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchSilver Spring, MD, United StatesHQ recorded Nov 6, 2026201-500391 contacts →

Exact match

“Lasting change is farmer-led.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026201-500240 contacts →

Exact match

“The Jane Goodall Institute is a global, community-led conservation organization founded in 1977 that advances the vision and work of Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchArlington, VA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 2026n/a182 contacts →

Exact match

“The Amazon Conservation Team® (ACT®) founded in 1996, is a 501(c)(3) nonprofit organization dedicated to preserving South American rainforests and strengthening indigenous and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200164 contacts →

Exact match

“Mongabay.com publishes news and information on tropical forests and related topics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFalmouth, MA, United StatesHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“Woodwell Climate Research Center conducts science for solutions at the nexus of climate, people, and nature-solutions that are urgently needed to propel us toward a more…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“Founded in 1875, American Forests is the oldest national nonprofit conservation organization in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMillbrook, NY, United StatesHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Founded in 1983, the Cary Institute of Ecosystem Studies is one of the world’s leading independent environmental research organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWaimea, United StatesHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“Restoring the world's native forests to address climate change, renew biodiverse ecosystems, and support thriving communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCary, WA, United StatesHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“The National Council for Air and Stream Improvement, Inc.(NCASI) is an independent, tax-exempt research institute that focuses on environmental topics of interest to the forest…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchShelburne, VT, United StatesHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“Since 2014, One Tree Planted has been dedicated to global reforestation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGlen Rose, TX, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Fossil Rim Wildlife Center is dedicated to the conservation of species in peril, conducting scientific research, training of professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“The Organization for Tropical Studies (OTS) is a nonprofit consortium of over fifty universities, colleges, and research institutions from around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202611-5080 contacts →

Exact match

“Health In Harmony’s mission is to reverse tropical rainforest deforestation for planetary health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Rainforest Action Network preserves forests, protects the climate and upholds human rights by challenging corporate power and systemic injustice through frontline partnerships and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Wildlife Alliance’s mission: direct protection for forests and wildlife.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCrested Butte, CO, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“For nearly a century, the Rocky Mountain Biological Laboratory (RMBL) has been a place where curiosity meets discovery, an independent field station where scientists, students…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Amazon Conservation is a 501(c)(3) non-profit organization that unites science, innovation, and community to protect the western Amazon - the greatest wild forest on Earth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOakland, CA, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Amazon Watch is a nonprofit organization founded in 1996 to protect the rainforest and advance the rights of indigenous peoples in the Amazon Basin.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKalaheo, HI, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“National Tropical Botanical Garden is dedicated to preserving tropical plant diversity and stemming the tide of extinction - through plant exploration, propagation, habitat…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWarrenton, VA, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“For more than 35 years, Rainforest Trust has not wavered from its mission of preventing deforestation, preserving critical habitat and safeguarding endangered species.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Mighty Earth is a global environmental organization that works to make a lasting difference for the planet and its people with a focus on forests, sustainable agriculture, and…”

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

Showing 25 of 298 rainforest research organizations based in the United States

See the full list, filter by size, metro and specialty, and access 4,551 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rainforest research organizations based in the United States at a glance

As of Nov 6, 2026
30.3%Verified-email coverage
50.3Average contacts per company
1-10Median size (employees)
5.0%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
171
11-50
79
51-200
32
201-500
8
501-1,000
3
1,001-5,000
2
5,001-10,000
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 298 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “rainforest 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,551 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.

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

How many rainforest research organizations are there based in the United States?

RevenueBase identified 298 company matches for rainforest research organizations associated with the United States 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 city has the most rainforest research organizations?

New York leads with 15 company records, followed by Washington (15) and San Francisco (9).

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 4,551 professional contacts with verified work emails tracked across these 298 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.