Company lists · Data refreshed September 2026
Top 25 Indigenous land stewardship organizations based in the United States
RevenueBase identified 296 indigenous land stewardship organizations headquartered in the United States as of September 2026 and tracks 2,490 professional contacts across them, including 775 with verified work emails. New York is the largest hub.
This list covers indigenous land stewardship organizations headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest indigenous land stewardship organizations based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 164 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 120 contacts → | ||||
Indirect evidence “Many centuries ago, long before the area was settled, long before forests and grasslands were replaced with asphalt, our ancestors celebrated the journey of life and lived from…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 75 contacts → | ||||
Partial evidence “Based out of the beautiful Black Hills on Oceti Sakowin Territory, NDN Collective provides the most ambitious systemic approach to empowering Indigenous communities in the history…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 75 contacts → | ||||
Indirect evidence “The Cow Creek Band of Umpqua Tribe of Indians upholds Tribal Government, protects and preserves Tribal sovereignty, history, culture and the general welfare of the Tribal…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 54 contacts → | ||||
Partial evidence “Cultural Survival advocates for Indigenous Peoples' rights and supports Indigenous communities’ self-determination, cultures and political resilience since 1972.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 54 contacts → | ||||
Partial evidence “The governance systems and cultural wisdom sustained by Indigenous Peoples have significant impact on the health of the ecosystems where they live.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 44 contacts → | ||||
Partial evidence “Amazon Watch is a nonprofit organization founded in 1996 to protect the rainforest and advance the rights of indigenous peoples in the Amazon Basin.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 36 contacts → | ||||
Partial evidence “The Alliance for Tribal Energy 501(c)(3) is an Indigenous-led nonprofit that supports the self-determined efforts of Native American tribes to transition away from extractive and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 36 contacts → | ||||
Partial evidence “Great River Greening inspires, engages and leads local communities in conserving and caring for the land and water that enrich our lives.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 34 contacts → | ||||
Partial evidence “Rooted in Vermont since 1977, we have protected more than acres, or 11% of the private land in Vermont.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 34 contacts → | ||||
Partial evidence “Amazon Frontlines was born from the water project ClearWater: a collaboration between four indigenous nationalities and an international support team to provide indigenous…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 30 contacts → | ||||
Strong evidence “Our mission is to improve quality of life for all by preserving, protecting, and strengthening the fabric of the community through education and the stewardship of land for…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 30 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 28 contacts → | ||||
Indirect evidence “Ecostudies Institute is dedicated to the conservation of native species and their ecosystems.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 27 contacts → | ||||
Indirect evidence “Since 1998, Trees, Water & People has worked to improve lives by helping communities to protect, conserve, and manage the natural resources on which their long-term well-being…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 24 contacts → | ||||
Indirect evidence “Quivira Coalition builds resilience by fostering ecological, economic, and social health on western landscapes through education, collaboration, and progressive public and private…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 contacts → | ||||
Indirect evidence “The NACA Inspired Schools Network (NISN) is building a movement of students, families, and educators to create excellent schools relevant to the communities they serve.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 22 contacts → | ||||
Partial evidence “IFIP is led by donors and Indigenous leaders to advance a new movement in philanthropy that better values, supports and partners with Indigenous communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 22 contacts → | ||||
Partial evidence “Native Movement supports grassroots-led projects that align with our vision, that dismantle oppressive systems for all, and that endeavor to ensure social justice, Indigenous…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 21 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Partial evidence “Honor the Earth is an Indigenous-led organization fighting to dismantle settler-colonialism, racial capitalism, white supremacy, and imperialism by helping our communities resist…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 19 contacts → | ||||
Indirect evidence “Our mission is to practice, promote, and develop systems of regenerative agriculture for local, regional, and global impact.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 16 contacts → | ||||
Partial evidence “Established in 1990, The Indigenous Environmental Network is an international environmental justice nonprofit that works with tribal grassroots organizations to build the capacity…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Indirect evidence “GeoParadise works with native communities to preserve their cultural identity, create a cooperative network for resource sharing, and facilitate the connection between communities…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Partial evidence “We are an Indigenous-led firm that purposefully works to change power dynamics in health and wealth systems to build a world that our children and grandchildren will thrive in.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: indigenous land stewardship organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names indigenous land stewardship organizations.
- Partial evidence
- Its own public description names part of indigenous land stewardship organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name indigenous land stewardship organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 296 indigenous land stewardship organizations based in the United States
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Indigenous land stewardship organizations based in the United States at a glance
As of Sep 20, 2026Companies by employee count
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 296 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among indigenous land stewardship organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “indigenous land stewardship organizations”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names indigenous land stewardship organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among indigenous land stewardship organizations, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 775 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names indigenous land stewardship organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many indigenous land stewardship organizations are there based in the United States?
RevenueBase identified 296 indigenous land stewardship organizations headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Amazon Conservation Team, headquartered in Falls Church, tops this list with the largest team on record.
Which city has the most indigenous land stewardship organizations?
New York leads with 9 headquartered companies, followed by Phoenix (8) and Albuquerque (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 775 verified decision-maker contacts tracked across these 296 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.
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