Company lists · Data refreshed September 2026
Top 25 Global non-profit organizations based in Washington, United States
RevenueBase identified 70 global non-profit organizations headquartered in Washington, United States as of September 2026 and tracks 11,392 professional contacts across them, including 3,223 with verified work emails. New York is the largest hub.
This list covers global non-profit organizations headquartered in Washington, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest global non-profit organizations based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,886 contacts → | ||||
Indirect evidence “Climate change.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,353 contacts → | ||||
Indirect evidence “Our Purpose: We ignite human potential to build understanding and create new possibilities for a better world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,336 contacts → | ||||
Indirect evidence “Pact is an international nonprofit that works across the world building solutions for human development that are evidence-based, data-driven, and owned by the communities we serve.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 848 contacts → | ||||
Partial evidence “Founded in 1958, Project HOPE is a leader in global health development and emergency relief programs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 477 contacts → | ||||
Partial evidence “Since 1998, the United Nations Foundation has built novel innovations and partnerships to support the United Nations and help solve global problems at scale.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 300 contacts → | ||||
Indirect evidence “iMMAP is an international nonprofit organization that provides information management services to humanitarian and development partners, enabling them to make informed decisions…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 244 contacts → | ||||
Partial evidence “Corus International is an ensemble of long-serving, global leaders in international development and humanitarian assistance committed to ending poverty and building healthy…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 230 contacts → | ||||
Strong evidence “Equal Access International is a global not-for-profit organization (501(c)(3)), headquartered in Washington, D.C.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 188 contacts → | ||||
Indirect evidence “Plan International is an international development and humanitarian assistance nonprofit that advances children’s rights and equality for girls.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 155 contacts → | ||||
Partial evidence “The Aga Khan Foundation is a leading global development organization working to tackle the root causes of poverty.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 144 contacts → | ||||
Indirect evidence “EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 134 contacts → | ||||
Indirect evidence “Convener.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 131 contacts → | ||||
Partial evidence “Pyxera Global is a nonprofit social enterprise that connects global resources with local expertise to address our world’s most pressing challenges, one community at a time.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 118 contacts → | ||||
Strong evidence “OIC International (OICI) is a non-profit organization headquartered in the United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 85 contacts → | ||||
Indirect evidence “The International Budget Partnership collaborates with civil society organizations around the world to improve governance and ensure that scarce public resources are used…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 81 contacts → | ||||
Partial evidence “Humentum is a global nonprofit that unlocks the strategic power of operating models for social good organizations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 60 contacts → | ||||
Indirect evidence “Imago works with purpose-driven organizations to build capacity and scale impact in a way that respects their unique context and strengths.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 54 contacts → | ||||
Indirect evidence “NetHope is a catalyst for collective impact that advances humanitarian, conservation, and international development efforts worldwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 32 contacts → | ||||
Partial evidence “We are a global nonprofit reimagining how data and digital technology can fuel bold solutions to society’s most pressing challenges – from driving sustainable economic growth and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 contacts → | ||||
Indirect evidence “In the 20th century, physical infrastructure – electrical grids, highways, mass plumbing – created unimaginable public value and prosperity.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Partial evidence “The International Association for Volunteer Effort (IAVE) is the global network advancing the power of volunteering to drive meaningful social change.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 17 contacts → | ||||
Partial evidence “Acting Globally is a nonprofit startup dedicated to transforming the future for marginalized populations in lower-income countries.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Indirect evidence “USA for IOM, the U.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 12 contacts → | ||||
Partial evidence “Advancing Transformative Change and Global Impact” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Partial evidence “Ideagen- Where Global Leaders Convene Large-scale change to meet the unprecedented social, resource, business, political, and organizational challenges of today requires broad…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: global non-profit organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names global non-profit organizations.
- Partial evidence
- Its own public description names part of global non-profit organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name global non-profit organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 70 global non-profit organizations based in Washington, United States
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Global non-profit organizations based in Washington, 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 70 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among global non-profit organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Washington, United States whose own description of what they do matches “global non-profit organizations”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names global non-profit organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among global non-profit organizations, and records with no verified work email. Companies headquartered outside Washington are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 3,223 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Global non-profit organizations by metro in the United States
- Global non-profit organizations in New York128
- Global non-profit organizations in Washington70
- Global non-profit organizations in Los Angeles42
- Global non-profit organizations in San Francisco32
- Global non-profit organizations in Atlanta26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names global non-profit organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many global non-profit organizations are there based in Washington, United States?
RevenueBase identified 70 global non-profit organizations headquartered in Washington, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Palladium Make IT Possible, headquartered in Washington, tops this list with the largest team on record.
Which city has the most global non-profit organizations?
New York leads with 128 headquartered companies, followed by Washington (70) 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 the top results, verified emails and direct dials included. Upgrading unlocks all 3,223 verified decision-maker contacts tracked across these 70 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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Global non-profit organizations by geography
- Global non-profit organizations based in Mumbai, India
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- Global non-profit organizations based in Los Angeles, United States
- Global non-profit organizations based in New York, United States
- Global non-profit organizations based in San Francisco, United States
- Global non-profit organizations based in Australia
- Global non-profit organizations based in Austria
- Global non-profit organizations based in Bangladesh
- Global non-profit organizations based in Belgium
- Global non-profit organizations based in Brazil
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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