Company lists · Data refreshed September 2026
Top 25 Conservation nonprofits based in Seattle, United States
RevenueBase identified 35 company matches for conservation nonprofits associated with Seattle, United States as of September 2026 and tracks 474 professional contacts across them, including 225 with verified work emails. Across the United States, Washington is the largest hub for this category (82 companies); Seattle has 35.
This list covers company matches for conservation nonprofits associated with Seattle, 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 September 19, 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.
The 25 largest conservation nonprofits based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 68 contacts → | ||||
Exact match “OUR MISSION Forterra innovates and scales land-based solutions to address the climate crisis and support equitable, green, and prosperous communities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 54 contacts → | ||||
Exact match “The governance systems and cultural wisdom sustained by Indigenous Peoples have significant impact on the health of the ecosystems where they live.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 53 contacts → | ||||
Exact match “The Mountains to Sound Greenway Trust leads and inspires action to conserve and enhance the landscape from Seattle across the Cascade Mountains to Central Washington, ensuring a…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 51 contacts → | ||||
Exact match “Washington Conservation Action’s mission is to advocate for environmental progress and justice through actions that mobilize the public, elect champions for the environment, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 44 contacts → | ||||
Exact match “Our meaningful travel combines sustainable volunteer projects, cultural immersion, and epic adventure so you can discover the world and your purpose in it.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 33 contacts → | ||||
Exact match “Our mission is simple: connect the big landscapes, restore iconic wildlife and protect our natural heritage for future generations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 25 contacts → | ||||
Exact match “Mission: ECOSS is devoted to promoting environmental justice and sustainability in an effort to build immigrant and refugee communities that can shape their environmental futures.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Birds Connect Seattle advocates and organizes for cities where people and birds thrive.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Washington's National Park Fund's mission is to raise funds to preserve and enhance the natural beauty, cultural heritage, and recreational opportunities of Mount Rainier, North…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Northwest Natural Resource Group's mission is to strengthen the ecological and economic vitality of Northwest forests and communities by connecting people with the knowledge…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “WILBURFORCE FOUNDATION is an environmental services company based out of 2034 Nw 56Th St,# 300, Seattle, Washington, United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “Washington Wild protects and restores wild lands and waters in Washington State through advocacy, education, and civic engagement.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “Passionate about advocating for animal welfare and environmental conservation, we strive to minimize and eradicate the suffering of animals while mitigating the destruction of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “At Campion, we believe in the power of people and place.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Creating a greener, healthier, more equitable, and better Washington for all through community outreach, network building, and advocacy for conservation and outdoor recreation…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Inspiring action to protect wild places through images and stories that change perspectives.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “The Washington Association of Land Trusts (WALT) is a collective voice for our state’s land conservation organizations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “EarthTalk is a 501(c)3 non-profit launched in 2018 to leverage the power of the media to help everyday people understand complex environmental issues and become more responsible…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Global Ocean Health (GOH) is a U.S.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Our mission is to inspire value and appreciation of the outdoors by expanding public access to parks, wilderness, and open space worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Outreach, education, advocacy, and campaign design & implementation on environmental issues.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Oceans Initiative is a nonprofit team of scientists on a mission to protect marine wildlife in the Pacific Northwest and beyond.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Full Circle Environmental, Inc, a private environmental consulting firm, has been providing creative and effective approaches to resource conservation on behalf of business and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “The Boreal Songbird Initiative (BSI) is dedicated to education and outreach about the importance of the North American Boreal Forest to birds, other wildlife and the global…” Recorded in the RevenueBase company graph · Sep 19, 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 “conservation nonprofits”. 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 35 conservation nonprofits based in Seattle, United States
See the full list, filter by size, metro and specialty, and access 225 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Conservation nonprofits based in Seattle, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 35 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 Seattle, United States whose business descriptions match “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 225 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 September 19, 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.
Conservation nonprofits by metro in the United States
- Conservation nonprofits in Washington82
- Conservation nonprofits in New York56
- Conservation nonprofits in Portland51
- Conservation nonprofits in San Francisco43
- Conservation nonprofits in Denver36
- Conservation nonprofits in Los Angeles32
- Conservation nonprofits in Atlanta30
- Conservation nonprofits in Austin27
- Conservation nonprofits in San Diego25
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 “conservation nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many conservation nonprofits are there based in Seattle, United States?
RevenueBase identified 35 company matches for conservation nonprofits associated with Seattle, United States as of September 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?
Forterra NW tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most conservation nonprofits?
Washington leads the United States with 82 company records, followed by New York (56) and Portland (51). Seattle has 35.
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 225 professional contacts with verified work emails tracked across these 35 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 35 conservation nonprofits based in Seattle, United States. Start with a free account, no credit card.
Download this list →Related lists
Conservation nonprofits by geography
- Conservation nonprofits based in Mumbai, India
- Conservation nonprofits based in Atlanta, United States
- Conservation nonprofits based in Austin, United States
- Conservation nonprofits based in Denver, United States
- Conservation nonprofits based in Los Angeles, United States
- Conservation nonprofits based in New York, United States
- Conservation nonprofits based in Portland, United States
- Conservation nonprofits based in San Diego, United States
- Conservation nonprofits based in San Francisco, United States
- Conservation nonprofits based in Washington, United States
- Conservation nonprofits based in Argentina
- Conservation nonprofits based in Australia
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Conservation nonprofits based in Mumbai, India
- Conservation nonprofits based in Atlanta, United States
- Conservation nonprofits based in Austin, United States
- Conservation nonprofits based in Denver, United States
- Conservation nonprofits based in Los Angeles, United States
- Conservation nonprofits based in New York, United States
Company intelligence · public preview
Top 25 conservation nonprofits based in Seattle, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 35 matching company records for conservation nonprofits based in Seattle, United States, with 474 tracked contacts and 225 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 conservation nonprofits based in Seattle, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Forterra NWforterra.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 68 contacts → |
“OUR MISSION Forterra innovates and scales land-based solutions to address the climate crisis and support equitable, green, and prosperous communities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NIA Teroniatero.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 54 contacts → |
“The governance systems and cultural wisdom sustained by Indigenous Peoples have significant impact on the health of the ecosystems where they live.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Mountains To Sound Greenway Trustmtsgreenway.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 53 contacts → |
“The Mountains to Sound Greenway Trust leads and inspires action to conserve and enhance the landscape from Seattle across the Cascade Mountains to Central Washington, ensuring a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Washington Conservation Actionwaconservationaction.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 51 contacts → |
“Washington Conservation Action’s mission is to advocate for environmental progress and justice through actions that mobilize the public, elect champions for the environment, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Give Volunteersgivevolunteers.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 44 contacts → |
“Our meaningful travel combines sustainable volunteer projects, cultural immersion, and epic adventure so you can discover the world and your purpose in it.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Conservation Northwestconservationnw.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 33 contacts → |
“Our mission is simple: connect the big landscapes, restore iconic wildlife and protect our natural heritage for future generations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ECOSSecoss.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 25 contacts → |
“Mission: ECOSS is devoted to promoting environmental justice and sustainability in an effort to build immigrant and refugee communities that can shape their environmental futures.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Birds Connect Seattlebirdsconnectsea.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 22 contacts → |
“Birds Connect Seattle advocates and organizes for cities where people and birds thrive.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Washington's National Park Fundwnpf.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 16 contacts → |
“Washington's National Park Fund's mission is to raise funds to preserve and enhance the natural beauty, cultural heritage, and recreational opportunities of Mount Rainier, North…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Northwest Natural Resource Groupnnrg.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“Northwest Natural Resource Group's mission is to strengthen the ecological and economic vitality of Northwest forests and communities by connecting people with the knowledge…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wilburforce Foundationwilburforce.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 12 contacts → |
“WILBURFORCE FOUNDATION is an environmental services company based out of 2034 Nw 56Th St,# 300, Seattle, Washington, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Washington Wildwawild.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 12 contacts → |
“Washington Wild protects and restores wild lands and waters in Washington State through advocacy, education, and civic engagement.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  A Just Worldajustworld.netHQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“Passionate about advocating for animal welfare and environmental conservation, we strive to minimize and eradicate the suffering of animals while mitigating the destruction of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Campion Advocacy Fundcampionadvocacyfund.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 6 contacts → |
“At Campion, we believe in the power of people and place.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | National Audubon Society INCsewardpark.audubon.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Washington Wildlife And Recreation Coalitionwildliferecreation.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 6 contacts → |
“Creating a greener, healthier, more equitable, and better Washington for all through community outreach, network building, and advocacy for conservation and outdoor recreation…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Braided Riverbraidedriver.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 5 contacts → |
“Inspiring action to protect wild places through images and stories that change perspectives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Washington Association Of Land Trustswalandtrusts.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 5 contacts → |
“The Washington Association of Land Trusts (WALT) is a collective voice for our state’s land conservation organizations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Earthtalkearthtalk.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 5 contacts → |
“EarthTalk is a 501(c)3 non-profit launched in 2018 to leverage the power of the media to help everyday people understand complex environmental issues and become more responsible…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Global Ocean Healthglobaloceanhealth.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“Global Ocean Health (GOH) is a U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Totagoturnofftheapp.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“Our mission is to inspire value and appreciation of the outdoors by expanding public access to parks, wilderness, and open space worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sierra Club Washington Statesierraclub.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“Outreach, education, advocacy, and campaign design & implementation on environmental issues.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Oceans Initiativeoceansinitiative.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 3 contacts → |
“Oceans Initiative is a nonprofit team of scientists on a mission to protect marine wildlife in the Pacific Northwest and beyond.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Full Circle Environmental, INCfullcircleenvironmental.comHQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“Full Circle Environmental, Inc, a private environmental consulting firm, has been providing creative and effective approaches to resource conservation on behalf of business and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Boreal Songbird Initiativeborealbirds.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“The Boreal Songbird Initiative (BSI) is dedicated to education and outreach about the importance of the North American Boreal Forest to birds, other wildlife and the global…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 35 company matches
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Conservation nonprofits: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
35 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 35 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Conservation nonprofits by metro in the United States
- Conservation nonprofits in Washington82
- Conservation nonprofits in New York56
- Conservation nonprofits in Portland51
- Conservation nonprofits in San Francisco43
- Conservation nonprofits in Denver36
- Conservation nonprofits in Los Angeles32
- Conservation nonprofits in Atlanta30
- Conservation nonprofits in Austin27
- Conservation nonprofits in San Diego25
Questions about this company list
What does Exact match mean for conservation nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many conservation nonprofits did RevenueBase find based in Seattle, United States?
The saved snapshot records 35 matching company records, 474 tracked contacts and 225 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Conservation nonprofits by geography
- Conservation nonprofits based in Mumbai, India
- Conservation nonprofits based in Atlanta, United States
- Conservation nonprofits based in Austin, United States
- Conservation nonprofits based in Denver, United States
- Conservation nonprofits based in Los Angeles, United States
- Conservation nonprofits based in New York, United States
- Conservation nonprofits based in Portland, United States
- Conservation nonprofits based in San Diego, United States
- Conservation nonprofits based in San Francisco, United States
- Conservation nonprofits based in Washington, United States
- Conservation nonprofits based in Argentina
- Conservation nonprofits based in Australia
Cite this list
RevenueBase Data Team. Top 25 conservation nonprofits based in Seattle, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/conservation-nonprofits/united-states/seattle.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Conservation nonprofits based in Mumbai, India
- Conservation nonprofits based in Atlanta, United States
- Conservation nonprofits based in Austin, United States
- Conservation nonprofits based in Denver, United States
- Conservation nonprofits based in Los Angeles, United States
- Conservation nonprofits based in New York, United States
Company intelligence · public preview
Top 25 conservation nonprofits based in Seattle, United States
RevenueBase records 35 matching company records for conservation nonprofits based in Seattle, United States, with 474 tracked contacts and 225 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 conservation nonprofits based in Seattle, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Forterra NWforterra.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 68 contacts → |
“OUR MISSION Forterra innovates and scales land-based solutions to address the climate crisis and support equitable, green, and prosperous communities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NIA Teroniatero.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 54 contacts → |
“The governance systems and cultural wisdom sustained by Indigenous Peoples have significant impact on the health of the ecosystems where they live.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Mountains To Sound Greenway Trustmtsgreenway.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 53 contacts → |
“The Mountains to Sound Greenway Trust leads and inspires action to conserve and enhance the landscape from Seattle across the Cascade Mountains to Central Washington, ensuring a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Washington Conservation Actionwaconservationaction.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 51 contacts → |
“Washington Conservation Action’s mission is to advocate for environmental progress and justice through actions that mobilize the public, elect champions for the environment, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Give Volunteersgivevolunteers.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 44 contacts → |
“Our meaningful travel combines sustainable volunteer projects, cultural immersion, and epic adventure so you can discover the world and your purpose in it.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Conservation Northwestconservationnw.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 33 contacts → |
“Our mission is simple: connect the big landscapes, restore iconic wildlife and protect our natural heritage for future generations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ECOSSecoss.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 25 contacts → |
“Mission: ECOSS is devoted to promoting environmental justice and sustainability in an effort to build immigrant and refugee communities that can shape their environmental futures.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Birds Connect Seattlebirdsconnectsea.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 22 contacts → |
“Birds Connect Seattle advocates and organizes for cities where people and birds thrive.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Washington's National Park Fundwnpf.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 16 contacts → |
“Washington's National Park Fund's mission is to raise funds to preserve and enhance the natural beauty, cultural heritage, and recreational opportunities of Mount Rainier, North…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Northwest Natural Resource Groupnnrg.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“Northwest Natural Resource Group's mission is to strengthen the ecological and economic vitality of Northwest forests and communities by connecting people with the knowledge…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wilburforce Foundationwilburforce.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 12 contacts → |
“WILBURFORCE FOUNDATION is an environmental services company based out of 2034 Nw 56Th St,# 300, Seattle, Washington, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Washington Wildwawild.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 12 contacts → |
“Washington Wild protects and restores wild lands and waters in Washington State through advocacy, education, and civic engagement.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | A Just Worldajustworld.net HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 7 contacts → |
“Passionate about advocating for animal welfare and environmental conservation, we strive to minimize and eradicate the suffering of animals while mitigating the destruction of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Campion Advocacy Fundcampionadvocacyfund.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 6 contacts → |
“At Campion, we believe in the power of people and place.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | National Audubon Society INCsewardpark.audubon.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Washington Wildlife And Recreation Coalitionwildliferecreation.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 6 contacts → |
“Creating a greener, healthier, more equitable, and better Washington for all through community outreach, network building, and advocacy for conservation and outdoor recreation…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Braided Riverbraidedriver.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 5 contacts → |
“Inspiring action to protect wild places through images and stories that change perspectives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Washington Association Of Land Trustswalandtrusts.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 5 contacts → |
“The Washington Association of Land Trusts (WALT) is a collective voice for our state’s land conservation organizations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Earthtalkearthtalk.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 5 contacts → |
“EarthTalk is a 501(c)3 non-profit launched in 2018 to leverage the power of the media to help everyday people understand complex environmental issues and become more responsible…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Global Ocean Healthglobaloceanhealth.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“Global Ocean Health (GOH) is a U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Totagoturnofftheapp.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“Our mission is to inspire value and appreciation of the outdoors by expanding public access to parks, wilderness, and open space worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sierra Club Washington Statesierraclub.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“Outreach, education, advocacy, and campaign design & implementation on environmental issues.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Oceans Initiativeoceansinitiative.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 3 contacts → |
“Oceans Initiative is a nonprofit team of scientists on a mission to protect marine wildlife in the Pacific Northwest and beyond.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Full Circle Environmental, INCfullcircleenvironmental.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“Full Circle Environmental, Inc, a private environmental consulting firm, has been providing creative and effective approaches to resource conservation on behalf of business and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Boreal Songbird Initiativeborealbirds.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“The Boreal Songbird Initiative (BSI) is dedicated to education and outreach about the importance of the North American Boreal Forest to birds, other wildlife and the global…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 35 company matches
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Conservation nonprofits: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
35 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 35 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Conservation nonprofits by metro in the United States
- Conservation nonprofits in Washington82
- Conservation nonprofits in New York56
- Conservation nonprofits in Portland51
- Conservation nonprofits in San Francisco43
- Conservation nonprofits in Denver36
- Conservation nonprofits in Los Angeles32
- Conservation nonprofits in Atlanta30
- Conservation nonprofits in Austin27
- Conservation nonprofits in San Diego25
Questions about this company list
What does Exact match mean for conservation nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many conservation nonprofits did RevenueBase find based in Seattle, United States?
The saved snapshot records 35 matching company records, 474 tracked contacts and 225 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Conservation nonprofits by geography
- Conservation nonprofits based in Mumbai, India
- Conservation nonprofits based in Atlanta, United States
- Conservation nonprofits based in Austin, United States
- Conservation nonprofits based in Denver, United States
- Conservation nonprofits based in Los Angeles, United States
- Conservation nonprofits based in New York, United States
- Conservation nonprofits based in Portland, United States
- Conservation nonprofits based in San Diego, United States
- Conservation nonprofits based in San Francisco, United States
- Conservation nonprofits based in Washington, United States
- Conservation nonprofits based in Argentina
- Conservation nonprofits based in Australia
Cite this list
RevenueBase Data Team. Top 25 conservation nonprofits based in Seattle, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/conservation-nonprofits/united-states/seattle.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Conservation nonprofits based in Mumbai, India
- Conservation nonprofits based in Atlanta, United States
- Conservation nonprofits based in Austin, United States
- Conservation nonprofits based in Denver, United States
- Conservation nonprofits based in Los Angeles, United States
- Conservation nonprofits based in New York, United States