Company lists · Data refreshed September 2026
Top 25 Environmental nonprofits based in Seattle, United States
RevenueBase identified 88 company matches for environmental nonprofits associated with Seattle, United States as of September 2026 and tracks 1,157 professional contacts across them, including 568 with verified work emails. Across the United States, Washington is the largest hub for this category (195 companies); Seattle has 88.
This list covers company matches for environmental 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 environmental nonprofits based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 110 contacts → | ||||
Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 94 contacts → | ||||
Exact match “Greater Good Charities is an independent 501(c)(3) charitable organization devoted to improving the health and well-being of people, pets, and the planet.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 83 contacts → | ||||
Exact match “EarthCorps cultivates leaders and community partnerships to advance environmental justice.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 69 contacts → | ||||
Exact match “Grist is a nonprofit, independent media organization dedicated to reporting on climate change.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 47 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 23 contacts → | ||||
Exact match “Communities of color, people with lower incomes, and indigenous people are on the frontlines of climate and environmental change.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 22 contacts → | ||||
Exact match “Seattle Parks Foundation partners with community to champion thriving and equitable parks and public spaces.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 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 | |||||
| 15 | 21 contacts → | ||||
Exact match “Toxic-Free Future is a national leader in environmental health research and advocacy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “The Washington Journal of Social & Environmental Justice publishes legal scholarship examining how communities interact with each other and the environment with the goal of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 14 contacts → | ||||
Exact match “The Pollution Prevention Resource Center (PPRC), a 501(c)(3) nonprofit organization, is a leading source of high-quality, unbiased pollution prevention information.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “Spark Northwest accelerates the shift to clean energy one community at a time.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “DRCC has never delved into the delineation between Superfund site and affected community-in our view, environmental justice concerns inextricably link harmful pollutant practices…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “Seattle REconomy is a nonprofit promoting sustainability and community through access to tools, ranging from saws and drills to mowers and pressure washers, as well as classes…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 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 | |||||
| 23 | 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 | |||||
| 24 | 12 contacts → | ||||
Exact match “Read our December 2023 welcome to new Board Members: https://conta.cc/3t6WFGX Learn about our 2023 accomplishments and how you can support our work: https://conta.cc/4asyyDB…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “How do we build resilience in frontline communities most affected by the environmental crisis?” 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 “environmental 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 88 environmental nonprofits based in Seattle, United States
See the full list, filter by size, metro and specialty, and access 568 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Environmental 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 88 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 “environmental 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 568 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.
Environmental nonprofits by metro in the United States
- Environmental nonprofits in Washington195
- Environmental nonprofits in New York194
- Environmental nonprofits in San Francisco126
- Environmental nonprofits in Los Angeles117
- Environmental nonprofits in Portland94
- Environmental nonprofits in Atlanta67
- Environmental nonprofits in Denver66
- Environmental nonprofits in Miami58
- Environmental nonprofits in San Diego58
- Environmental nonprofits in Boston55
- Environmental nonprofits in Austin53
- Environmental nonprofits in Chicago50
- Environmental nonprofits in Oakland47
- Environmental nonprofits in Houston44
- Environmental nonprofits in Boulder42
- Environmental nonprofits in Philadelphia36
- Environmental nonprofits in Minneapolis34
- Environmental nonprofits in Sacramento29
- Environmental nonprofits in Berkeley28
- Environmental nonprofits in Pittsburgh28
- Environmental nonprofits in Richmond27
- Environmental nonprofits in Honolulu26
- Environmental nonprofits in Madison26
- Environmental nonprofits in Raleigh26
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 “environmental nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental nonprofits are there based in Seattle, United States?
RevenueBase identified 88 company matches for environmental 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?
Cascadia Consulting Group 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 environmental nonprofits?
Washington leads the United States with 195 company records, followed by New York (194) and San Francisco (126). Seattle has 88.
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 568 professional contacts with verified work emails tracked across these 88 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 88 environmental nonprofits based in Seattle, United States. Start with a free account, no credit card.
Download this list →Related lists
Environmental nonprofits by geography
- Environmental nonprofits based in Belo Horizonte, Brazil
- Environmental nonprofits based in Curitiba, Brazil
- Environmental nonprofits based in Rio De Janeiro, Brazil
- Environmental nonprofits based in Sao Paulo, Brazil
- Environmental nonprofits based in Montreal, Canada
- Environmental nonprofits based in Ottawa, Canada
- Environmental nonprofits based in Toronto, Canada
- Environmental nonprofits based in Vancouver, Canada
- Environmental nonprofits based in Ahmedabad, India
- Environmental nonprofits based in Bangalore, India
- Environmental nonprofits based in Chennai, India
- Environmental nonprofits based in Mumbai, India
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
- Environmental nonprofits based in Belo Horizonte, Brazil
- Environmental nonprofits based in Curitiba, Brazil
- Environmental nonprofits based in Rio De Janeiro, Brazil
- Environmental nonprofits based in Sao Paulo, Brazil
- Environmental nonprofits based in Montreal, Canada
- Environmental nonprofits based in Ottawa, Canada
Company intelligence · public preview
Top 25 environmental 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 88 matching company records for environmental nonprofits based in Seattle, United States, with 1,157 tracked contacts and 568 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 environmental 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 |  Cascadia Consulting Groupcascadiaconsulting.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 110 contacts → |
“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Greater Good Charitiesgreatergood.orgHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 94 contacts → |
“Greater Good Charities is an independent 501(c)(3) charitable organization devoted to improving the health and well-being of people, pets, and the planet.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Earthcorpsearthcorps.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 83 contacts → |
“EarthCorps cultivates leaders and community partnerships to advance environmental justice.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | GRISTgrist.org HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 69 contacts → |
“Grist is a nonprofit, independent media organization dedicated to reporting on climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | Mast Reforestationmastreforest.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 47 contacts → |
“As wildfires destroy more forestland every year, Mast is scaling post-wildfire reforestation in Western North America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | Front And Centeredfrontandcentered.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 23 contacts → |
“Communities of color, people with lower incomes, and indigenous people are on the frontlines of climate and environmental change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seattle Parks Foundationseattleparksfoundation.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 22 contacts → |
“Seattle Parks Foundation partners with community to champion thriving and equitable parks and public spaces.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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. | |||||
| 15 | Toxic-Free Futuretoxicfreefuture.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“Toxic-Free Future is a national leader in environmental health research and advocacy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“The Washington Journal of Social & Environmental Justice publishes legal scholarship examining how communities interact with each other and the environment with the goal of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 14 contacts → |
“The Pollution Prevention Resource Center (PPRC), a 501(c)(3) nonprofit organization, is a leading source of high-quality, unbiased pollution prevention information.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Spark Northwestsparknorthwest.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“Spark Northwest accelerates the shift to clean energy one community at a time.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Duwamish River Community Coalitionduwamishcleanup.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“DRCC has never delved into the delineation between Superfund site and affected community-in our view, environmental justice concerns inextricably link harmful pollutant practices…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Seattle Reconomyseattlereconomy.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“Seattle REconomy is a nonprofit promoting sustainability and community through access to tools, ranging from saws and drills to mowers and pressure washers, as well as classes…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | 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. | |||||
| 24 | Sustainable Seattle S2sustainableseattle.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 12 contacts → |
“Read our December 2023 welcome to new Board Members: https://conta.cc/3t6WFGX Learn about our 2023 accomplishments and how you can support our work: https://conta.cc/4asyyDB…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Basilica BIObasilicabio.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 11 contacts → |
“How do we build resilience in frontline communities most affected by the environmental crisis?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Environmental 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
88 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 88 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 ↗
Environmental nonprofits by metro in the United States
- Environmental nonprofits in Washington195
- Environmental nonprofits in New York194
- Environmental nonprofits in San Francisco126
- Environmental nonprofits in Los Angeles117
- Environmental nonprofits in Portland94
- Environmental nonprofits in Atlanta67
- Environmental nonprofits in Denver66
- Environmental nonprofits in Miami58
- Environmental nonprofits in San Diego58
- Environmental nonprofits in Boston55
- Environmental nonprofits in Austin53
- Environmental nonprofits in Chicago50
- Environmental nonprofits in Oakland47
- Environmental nonprofits in Houston44
- Environmental nonprofits in Boulder42
- Environmental nonprofits in Philadelphia36
- Environmental nonprofits in Minneapolis34
- Environmental nonprofits in Sacramento29
- Environmental nonprofits in Berkeley28
- Environmental nonprofits in Pittsburgh28
- Environmental nonprofits in Richmond27
- Environmental nonprofits in Honolulu26
- Environmental nonprofits in Madison26
- Environmental nonprofits in Raleigh26
Questions about this company list
What does Exact match mean for environmental 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 environmental nonprofits did RevenueBase find based in Seattle, United States?
The saved snapshot records 88 matching company records, 1,157 tracked contacts and 568 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
Environmental nonprofits by geography
- Environmental nonprofits based in Belo Horizonte, Brazil
- Environmental nonprofits based in Curitiba, Brazil
- Environmental nonprofits based in Rio De Janeiro, Brazil
- Environmental nonprofits based in Sao Paulo, Brazil
- Environmental nonprofits based in Montreal, Canada
- Environmental nonprofits based in Ottawa, Canada
- Environmental nonprofits based in Toronto, Canada
- Environmental nonprofits based in Vancouver, Canada
- Environmental nonprofits based in Ahmedabad, India
- Environmental nonprofits based in Bangalore, India
- Environmental nonprofits based in Chennai, India
- Environmental nonprofits based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 25 environmental nonprofits based in Seattle, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/environmental-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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- Environmental nonprofits based in Belo Horizonte, Brazil
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Company intelligence · public preview
Top 25 environmental nonprofits based in Seattle, United States
RevenueBase records 88 matching company records for environmental nonprofits based in Seattle, United States, with 1,157 tracked contacts and 568 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 environmental 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 | Cascadia Consulting Groupcascadiaconsulting.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 110 contacts → |
“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Greater Good Charitiesgreatergood.org HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 94 contacts → |
“Greater Good Charities is an independent 501(c)(3) charitable organization devoted to improving the health and well-being of people, pets, and the planet.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Earthcorpsearthcorps.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 83 contacts → |
“EarthCorps cultivates leaders and community partnerships to advance environmental justice.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | GRISTgrist.org HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 69 contacts → |
“Grist is a nonprofit, independent media organization dedicated to reporting on climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | Mast Reforestationmastreforest.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 47 contacts → |
“As wildfires destroy more forestland every year, Mast is scaling post-wildfire reforestation in Western North America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | Front And Centeredfrontandcentered.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 23 contacts → |
“Communities of color, people with lower incomes, and indigenous people are on the frontlines of climate and environmental change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seattle Parks Foundationseattleparksfoundation.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 22 contacts → |
“Seattle Parks Foundation partners with community to champion thriving and equitable parks and public spaces.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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. | |||||
| 15 | Toxic-Free Futuretoxicfreefuture.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“Toxic-Free Future is a national leader in environmental health research and advocacy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 21 contacts → |
“The Washington Journal of Social & Environmental Justice publishes legal scholarship examining how communities interact with each other and the environment with the goal of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 14 contacts → |
“The Pollution Prevention Resource Center (PPRC), a 501(c)(3) nonprofit organization, is a leading source of high-quality, unbiased pollution prevention information.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Spark Northwestsparknorthwest.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“Spark Northwest accelerates the shift to clean energy one community at a time.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Duwamish River Community Coalitionduwamishcleanup.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“DRCC has never delved into the delineation between Superfund site and affected community-in our view, environmental justice concerns inextricably link harmful pollutant practices…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Seattle Reconomyseattlereconomy.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 13 contacts → |
“Seattle REconomy is a nonprofit promoting sustainability and community through access to tools, ranging from saws and drills to mowers and pressure washers, as well as classes…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | 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. | |||||
| 24 | Sustainable Seattle S2sustainableseattle.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 12 contacts → |
“Read our December 2023 welcome to new Board Members: https://conta.cc/3t6WFGX Learn about our 2023 accomplishments and how you can support our work: https://conta.cc/4asyyDB…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Basilica BIObasilicabio.org HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 11 contacts → |
“How do we build resilience in frontline communities most affected by the environmental crisis?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Environmental 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
88 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 88 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 ↗
Environmental nonprofits by metro in the United States
- Environmental nonprofits in Washington195
- Environmental nonprofits in New York194
- Environmental nonprofits in San Francisco126
- Environmental nonprofits in Los Angeles117
- Environmental nonprofits in Portland94
- Environmental nonprofits in Atlanta67
- Environmental nonprofits in Denver66
- Environmental nonprofits in Miami58
- Environmental nonprofits in San Diego58
- Environmental nonprofits in Boston55
- Environmental nonprofits in Austin53
- Environmental nonprofits in Chicago50
- Environmental nonprofits in Oakland47
- Environmental nonprofits in Houston44
- Environmental nonprofits in Boulder42
- Environmental nonprofits in Philadelphia36
- Environmental nonprofits in Minneapolis34
- Environmental nonprofits in Sacramento29
- Environmental nonprofits in Berkeley28
- Environmental nonprofits in Pittsburgh28
- Environmental nonprofits in Richmond27
- Environmental nonprofits in Honolulu26
- Environmental nonprofits in Madison26
- Environmental nonprofits in Raleigh26
Questions about this company list
What does Exact match mean for environmental 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 environmental nonprofits did RevenueBase find based in Seattle, United States?
The saved snapshot records 88 matching company records, 1,157 tracked contacts and 568 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
Environmental nonprofits by geography
- Environmental nonprofits based in Belo Horizonte, Brazil
- Environmental nonprofits based in Curitiba, Brazil
- Environmental nonprofits based in Rio De Janeiro, Brazil
- Environmental nonprofits based in Sao Paulo, Brazil
- Environmental nonprofits based in Montreal, Canada
- Environmental nonprofits based in Ottawa, Canada
- Environmental nonprofits based in Toronto, Canada
- Environmental nonprofits based in Vancouver, Canada
- Environmental nonprofits based in Ahmedabad, India
- Environmental nonprofits based in Bangalore, India
- Environmental nonprofits based in Chennai, India
- Environmental nonprofits based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 25 environmental nonprofits based in Seattle, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/environmental-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
- Environmental nonprofits based in Belo Horizonte, Brazil
- Environmental nonprofits based in Curitiba, Brazil
- Environmental nonprofits based in Rio De Janeiro, Brazil
- Environmental nonprofits based in Sao Paulo, Brazil
- Environmental nonprofits based in Montreal, Canada
- Environmental nonprofits based in Ottawa, Canada