Company lists · Data refreshed November 2026

Top 25 Forest conservation nonprofits based in the United States

RevenueBase identified 263 company matches for forest conservation nonprofits associated with the United States as of November 2026 and tracks 11,021 professional contacts across them, including 4,554 with verified work emails. San Francisco is the largest hub.

This list covers company matches for forest conservation nonprofits 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
263Companies
11,021Contacts tracked
4,554Verified emails
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The 25 largest forest conservation nonprofits based in the United States

Ranked by team size
Top 25 of 263 company matches for forest conservation nonprofits 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 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
3Exact matchMissoula, MT, United StatesHQ recorded Nov 6, 202651-200186 contacts →

Exact match

“The NFF works with communities and organizations to conserve and enhance the watersheds, wildlife habitat and wild places across our 193-million-acre National Forest System.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“The American Forest Foundation (AFF) is a national conservation organization that works to deliver clean water, wildlife habitat, carbon sequestration and storage, and sustainable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Save the Redwoods is helping shape the future of California’s redwood forests.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact 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
11Exact 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
12Exact 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
13Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“As innovative protectors and stewards of the land since 1963, Openlands exists to create access to nature for all.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHockessin, DE, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Founded in 1964, Delaware Nature Society works to improve the environment through conservation, advocacy, and education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMoreland Hills, OH, United StatesHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Join the Western Reserve Land Conservancy Group for current updates and discussions!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“As wildfires destroy more forestland every year, Mast is scaling post-wildfire reforestation in Western North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchMountain View, CA, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Sempervirens Fund works to is to ensure coast redwood forests in the Santa Cruz Mountains thrive for generations to come.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMarion, IA, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Mission To plant and care for trees and the environment by empowering people, building community, and promoting stewardship.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Founded in 1964 in Portland, Oregon, World Forestry Center is a nonprofit dedicated to creating and inspiring champions of sustainable forestry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“The Minnesota Land Trust is a private, nonprofit organization that works across Minnesota with private landowners and partners to permanently protect land and shoreline and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchNaperville, IL, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“We improve the health of our communities by preserving and restoring natural areas and open space, protecting rivers and watersheds, and promoting stewardship of our environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Triangle Land Conservancy (TLC) strives to create a healthier and more vibrant Triangle region by safeguarding clean water, protecting natural habitats, supporting local farms and…”

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

Showing 25 of 263 forest conservation nonprofits based in the United States

See the full list, filter by size, metro and specialty, and access 4,554 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Forest conservation nonprofits based in the United States at a glance

As of Nov 6, 2026
41.3%Verified-email coverage
41.9Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · San Francisco
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
163
11-50
75
51-200
18
201-500
3
501-1,000
1
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 263 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 “forest 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. 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 4,554 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 “forest conservation nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many forest conservation nonprofits are there based in the United States?

RevenueBase identified 263 company matches for forest conservation nonprofits 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 forest conservation nonprofits?

San Francisco leads with 7 company records, followed by Washington (7) and Madison (5).

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 4,554 professional contacts with verified work emails tracked across these 263 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.