Company lists · Data refreshed September 2026
Top 21 Sustainable development nonprofits based in Washington, United States
RevenueBase identified 53 company matches for sustainable development nonprofits associated with Washington, United States as of September 2026 and tracks 1,176 professional contacts across them, including 434 with verified work emails. Across the United States, New York is the largest hub for this category (64 companies); Washington follows with 53.
This list covers company matches for sustainable development nonprofits associated with Washington, 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 22, 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 21 largest sustainable development nonprofits based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 355 contacts → | ||||
Exact match “IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 144 contacts → | ||||
Exact match “EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 86 contacts → | ||||
Exact match “EarthEcho International is a nonprofit 501c3 organization founded in 2005 by siblings Philippe and Alexandra Cousteau in honor of their father Philippe Cousteau Sr, son of the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 76 contacts → | ||||
Exact match “Forest Trends works to conserve forests and other ecosystems through the creation and wide adoption of a range of environmental finance, market, and other payment and incentive…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 69 contacts → | ||||
Exact match “Conservation Strategy Fund (CSF) sustains natural ecosystems and human communities through strategies powered by conservation economics.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 54 contacts → | ||||
Exact match “Our Mission Green America harnesses economic power-the strength of consumers, businesses and the marketplace-to create a socially just and environmentally sustainable society.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 46 contacts → | ||||
Exact match “The Institute for Local Self-Reliance (ILSR) is a nonprofit research and educational organization that provides technical assistance and information on sustainable development…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 39 contacts → | ||||
Exact match “In the fight to save endangered animals and the planet, we need every smart voice and solution at the table.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 33 contacts → | ||||
Exact match “Congressionally chartered in 1990, NEEF's mission is to make the environment more accessible, relatable, relevant, and connected to the daily lives of all Americans.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 28 contacts → | ||||
Exact match “Reserva: The Youth Land Trust, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “In 1985, the Committee For A Constructive Tomorrow (CFACT) was founded to promote a positive voice on environment and development issues.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “The single greatest challenge for local conservation organizations based in developing nations is raising funds to sustain their activities.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Corazón Latino is a national non-profit organization that seeks to generate social, environmental, and conservation initiatives that foster natural resource stewardship.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “The Center for Responsible Travel (CREST) is a globally recognized nonprofit organization dedicated to transforming the way the world travels.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Empowering communities, economies and global systems with innovative sustainable solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Enduring Earth is an ambitious collaboration that works with all stewards of the environment to accelerate conservation and community prosperity.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Eneref Institute is a research and advocacy organization focused on environmental and social responsibility opportunities as a catalyst for change.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Avina Americas, part of the Fundación Avina ecosystem, acts as a bridge to connect individuals, philanthropic organizations, corporations, and US government agencies with the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Contributing to an ecosystem of sustainable development in Mauritania.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Finance + Management of Sustainable Development and Companies” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “TGC Collective is an international non-profit organization based in Washington, D.C.” Recorded in the RevenueBase company graph · Sep 22, 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 “sustainable development 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 21 of 53 sustainable development nonprofits based in Washington, United States
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Sustainable development nonprofits based in Washington, United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 53 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 Washington, United States whose business descriptions match “sustainable development 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 434 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 22, 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.
Sustainable development nonprofits by metro in the United States
- Sustainable development nonprofits in New York64
- Sustainable development nonprofits in Los Angeles42
- Sustainable development nonprofits in San Francisco32
- Sustainable development nonprofits in Miami30
- Sustainable development nonprofits in Atlanta28
- Sustainable development nonprofits in Seattle26
- Sustainable development nonprofits in Denver25
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 “sustainable development nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainable development nonprofits are there based in Washington, United States?
RevenueBase identified 53 company matches for sustainable development nonprofits associated with Washington, 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?
IFAW 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 sustainable development nonprofits?
New York leads the United States with 64 company records, followed by Washington (53) and Los Angeles (42).
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 434 professional contacts with verified work emails tracked across these 53 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 53 sustainable development nonprofits based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
Sustainable development nonprofits by geography
- Sustainable development nonprofits based in Belo Horizonte, Brazil
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- Sustainable development nonprofits based in Sao Paulo, Brazil
- Sustainable development nonprofits based in Toronto, Canada
- Sustainable development nonprofits based in Vancouver, Canada
- Sustainable development nonprofits based in Bangalore, India
- Sustainable development nonprofits based in Mumbai, India
- Sustainable development nonprofits based in New Delhi, India
- Sustainable development nonprofits based in Pune, India
- Sustainable development nonprofits based in Atlanta, United States
- Sustainable development nonprofits based in Denver, United States
- Sustainable development nonprofits based in Los Angeles, United States
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
- Sustainable development nonprofits based in Belo Horizonte, Brazil
- Sustainable development nonprofits based in Rio De Janeiro, Brazil
- Sustainable development nonprofits based in Sao Paulo, Brazil
- Sustainable development nonprofits based in Toronto, Canada
- Sustainable development nonprofits based in Vancouver, Canada
- Sustainable development nonprofits based in Bangalore, India
Company intelligence · public preview
Top 21 sustainable development nonprofits based in Washington, 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 53 matching company records for sustainable development nonprofits based in Washington, United States, with 1,176 tracked contacts and 434 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 21 sustainable development nonprofits based in Washington, 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 |  IFAWifaw.orgHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 355 contacts → |
“IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | earthday.orgearthday.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 144 contacts → |
“EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Earthecho Internationalearthecho.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 86 contacts → |
“EarthEcho International is a nonprofit 501c3 organization founded in 2005 by siblings Philippe and Alexandra Cousteau in honor of their father Philippe Cousteau Sr, son of the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Forest Trends Associationforest-trends.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 76 contacts → |
“Forest Trends works to conserve forests and other ecosystems through the creation and wide adoption of a range of environmental finance, market, and other payment and incentive…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Conservation Strategy Fundconservation-strategy.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 69 contacts → |
“Conservation Strategy Fund (CSF) sustains natural ecosystems and human communities through strategies powered by conservation economics.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Green Americagreenamerica.org HQ: Washington, United StatesReported employees: 11-50 | Washington, United States | 11-50 | Exact match | 54 contacts → |
“Our Mission Green America harnesses economic power-the strength of consumers, businesses and the marketplace-to create a socially just and environmentally sustainable society.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 46 contacts → |
“The Institute for Local Self-Reliance (ILSR) is a nonprofit research and educational organization that provides technical assistance and information on sustainable development…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Conservation Nationconservationnation.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 39 contacts → |
“In the fight to save endangered animals and the planet, we need every smart voice and solution at the table.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 33 contacts → |
“Congressionally chartered in 1990, NEEF's mission is to make the environment more accessible, relatable, relevant, and connected to the daily lives of all Americans.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Reserva The Youth Land Trustreservaylt.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 28 contacts → |
“Reserva: The Youth Land Trust, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CFACTcfact.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 12 contacts → |
“In 1985, the Committee For A Constructive Tomorrow (CFACT) was founded to promote a positive voice on environment and development issues.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Conservation Alliesconservationallies.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 9 contacts → |
“The single greatest challenge for local conservation organizations based in developing nations is raising funds to sustain their activities.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Corazon Latino INCcorazonlatino.us HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 8 contacts → |
“Corazón Latino is a national non-profit organization that seeks to generate social, environmental, and conservation initiatives that foster natural resource stewardship.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Center For Responsible Travelresponsibletravel.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 8 contacts → |
“The Center for Responsible Travel (CREST) is a globally recognized nonprofit organization dedicated to transforming the way the world travels.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DE Global ONEdeglobalone.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 8 contacts → |
“Empowering communities, economies and global systems with innovative sustainable solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enduring Earthenduringearth.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 7 contacts → |
“Enduring Earth is an ambitious collaboration that works with all stewards of the environment to accelerate conservation and community prosperity.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Eneref Instituteeneref.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 5 contacts → |
“Eneref Institute is a research and advocacy organization focused on environmental and social responsibility opportunities as a catalyst for change.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Avina Americasavinaamericas.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Avina Americas, part of the Fundación Avina ecosystem, acts as a bridge to connect individuals, philanthropic organizations, corporations, and US government agencies with the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nakhla Atlanticnakhlaatlantic.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Contributing to an ecosystem of sustainable development in Mauritania.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Grounded Ventures LLCbmodrn.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“Finance + Management of Sustainable Development and Companies” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TGC Collectivetgccollective.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“TGC Collective is an international non-profit organization based in Washington, D.C.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 53 company matches
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Sustainable development nonprofits: dataset insights
September 22, 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
53 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 53 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 22, 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 ↗
Sustainable development nonprofits by metro in the United States
- Sustainable development nonprofits in New York64
- Sustainable development nonprofits in Los Angeles42
- Sustainable development nonprofits in San Francisco32
- Sustainable development nonprofits in Miami30
- Sustainable development nonprofits in Atlanta28
- Sustainable development nonprofits in Seattle26
- Sustainable development nonprofits in Denver25
Questions about this company list
What does Exact match mean for sustainable development 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 sustainable development nonprofits did RevenueBase find based in Washington, United States?
The saved snapshot records 53 matching company records, 1,176 tracked contacts and 434 verified emails. The public preview displays 21 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 22, 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
Sustainable development nonprofits by geography
- Sustainable development nonprofits based in Belo Horizonte, Brazil
- Sustainable development nonprofits based in Rio De Janeiro, Brazil
- Sustainable development nonprofits based in Sao Paulo, Brazil
- Sustainable development nonprofits based in Toronto, Canada
- Sustainable development nonprofits based in Vancouver, Canada
- Sustainable development nonprofits based in Bangalore, India
- Sustainable development nonprofits based in Mumbai, India
- Sustainable development nonprofits based in New Delhi, India
- Sustainable development nonprofits based in Pune, India
- Sustainable development nonprofits based in Atlanta, United States
- Sustainable development nonprofits based in Denver, United States
- Sustainable development nonprofits based in Los Angeles, United States
Cite this list
RevenueBase Data Team. Top 21 sustainable development nonprofits based in Washington, United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/sustainable-development-nonprofits/united-states/washington.
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
- Sustainable development nonprofits based in Belo Horizonte, Brazil
- Sustainable development nonprofits based in Rio De Janeiro, Brazil
- Sustainable development nonprofits based in Sao Paulo, Brazil
- Sustainable development nonprofits based in Toronto, Canada
- Sustainable development nonprofits based in Vancouver, Canada
- Sustainable development nonprofits based in Bangalore, India
Company intelligence · public preview
Top 21 sustainable development nonprofits based in Washington, United States
RevenueBase records 53 matching company records for sustainable development nonprofits based in Washington, United States, with 1,176 tracked contacts and 434 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 21 sustainable development nonprofits based in Washington, 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 | IFAWifaw.org HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 355 contacts → |
“IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | earthday.orgearthday.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 144 contacts → |
“EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Earthecho Internationalearthecho.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 86 contacts → |
“EarthEcho International is a nonprofit 501c3 organization founded in 2005 by siblings Philippe and Alexandra Cousteau in honor of their father Philippe Cousteau Sr, son of the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Forest Trends Associationforest-trends.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 76 contacts → |
“Forest Trends works to conserve forests and other ecosystems through the creation and wide adoption of a range of environmental finance, market, and other payment and incentive…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Conservation Strategy Fundconservation-strategy.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 69 contacts → |
“Conservation Strategy Fund (CSF) sustains natural ecosystems and human communities through strategies powered by conservation economics.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Green Americagreenamerica.org HQ: Washington, United StatesReported employees: 11-50 | Washington, United States | 11-50 | Exact match | 54 contacts → |
“Our Mission Green America harnesses economic power-the strength of consumers, businesses and the marketplace-to create a socially just and environmentally sustainable society.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 46 contacts → |
“The Institute for Local Self-Reliance (ILSR) is a nonprofit research and educational organization that provides technical assistance and information on sustainable development…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Conservation Nationconservationnation.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 39 contacts → |
“In the fight to save endangered animals and the planet, we need every smart voice and solution at the table.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 33 contacts → |
“Congressionally chartered in 1990, NEEF's mission is to make the environment more accessible, relatable, relevant, and connected to the daily lives of all Americans.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Reserva The Youth Land Trustreservaylt.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 28 contacts → |
“Reserva: The Youth Land Trust, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CFACTcfact.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 12 contacts → |
“In 1985, the Committee For A Constructive Tomorrow (CFACT) was founded to promote a positive voice on environment and development issues.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Conservation Alliesconservationallies.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 9 contacts → |
“The single greatest challenge for local conservation organizations based in developing nations is raising funds to sustain their activities.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Corazon Latino INCcorazonlatino.us HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 8 contacts → |
“Corazón Latino is a national non-profit organization that seeks to generate social, environmental, and conservation initiatives that foster natural resource stewardship.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Center For Responsible Travelresponsibletravel.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 8 contacts → |
“The Center for Responsible Travel (CREST) is a globally recognized nonprofit organization dedicated to transforming the way the world travels.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DE Global ONEdeglobalone.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 8 contacts → |
“Empowering communities, economies and global systems with innovative sustainable solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enduring Earthenduringearth.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 7 contacts → |
“Enduring Earth is an ambitious collaboration that works with all stewards of the environment to accelerate conservation and community prosperity.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Eneref Instituteeneref.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 5 contacts → |
“Eneref Institute is a research and advocacy organization focused on environmental and social responsibility opportunities as a catalyst for change.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Avina Americasavinaamericas.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Avina Americas, part of the Fundación Avina ecosystem, acts as a bridge to connect individuals, philanthropic organizations, corporations, and US government agencies with the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nakhla Atlanticnakhlaatlantic.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Contributing to an ecosystem of sustainable development in Mauritania.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Grounded Ventures LLCbmodrn.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“Finance + Management of Sustainable Development and Companies” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TGC Collectivetgccollective.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“TGC Collective is an international non-profit organization based in Washington, D.C.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 53 company matches
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Sustainable development nonprofits: dataset insights
September 22, 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
53 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 53 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 22, 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 ↗
Sustainable development nonprofits by metro in the United States
- Sustainable development nonprofits in New York64
- Sustainable development nonprofits in Los Angeles42
- Sustainable development nonprofits in San Francisco32
- Sustainable development nonprofits in Miami30
- Sustainable development nonprofits in Atlanta28
- Sustainable development nonprofits in Seattle26
- Sustainable development nonprofits in Denver25
Questions about this company list
What does Exact match mean for sustainable development 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 sustainable development nonprofits did RevenueBase find based in Washington, United States?
The saved snapshot records 53 matching company records, 1,176 tracked contacts and 434 verified emails. The public preview displays 21 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 22, 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.
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Cite this list
RevenueBase Data Team. Top 21 sustainable development nonprofits based in Washington, United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/sustainable-development-nonprofits/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Sustainable development nonprofits based in Belo Horizonte, Brazil
- Sustainable development nonprofits based in Rio De Janeiro, Brazil
- Sustainable development nonprofits based in Sao Paulo, Brazil
- Sustainable development nonprofits based in Toronto, Canada
- Sustainable development nonprofits based in Vancouver, Canada
- Sustainable development nonprofits based in Bangalore, India