Company lists · Data refreshed September 2026

Top 25 Philanthropic organizations based in Washington, United States

Name: Philanthropic organizations based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 89 companies tracked

RevenueBase identified 89 company matches for philanthropic organizations associated with Washington, United States as of September 2026 and tracks 2,243 professional contacts across them, including 862 with verified work emails. Across the United States, New York is the largest hub for this category (187 companies); Washington follows with 89.

This list covers company matches for philanthropic organizations 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 20, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

89Companies

2,243Contacts tracked

862Verified emails

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The 25 largest philanthropic organizations based in Washington, United States

Ranked by team size

Top 25 of 89 company matches for philanthropic organizations based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Independent Sector	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	n/a	610 contacts →
	Exact match “Independent Sector is the national membership organization that connects, strengthens, and advocates for nonprofits and philanthropies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	M R	Exact match	Washington, United StatesHQ recorded Sep 20, 2026	51-200	208 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Council On Foundations	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	186 contacts →
	Exact match “The Council on Foundations is a nonprofit membership association that serves as a guide for philanthropies as they advance the greater good.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Global Impact	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	170 contacts →
	Exact match “Global Impact serves as a trusted philanthropy advisor, intermediary, and nonprofit partner for greater giving.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Globalgiving	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	108 contacts →
	Exact match “GlobalGiving is a nonprofit that supports other community-led nonprofits by connecting them to donors and companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	ORR Group	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	99 contacts →
	Exact match “Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Bezos Earth Fund	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	89 contacts →
	Exact match “Built on the belief that Earth is the best planet in the solar system, Jeff Bezos & Lauren Sánchez Bezos have made a $10 billion commitment to protect and restore the natural…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Greater Washington Community Foundation	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	53 contacts →
	Exact match “The Greater Washington Community Foundation ignites the power of philanthropy, leads for community impact, and responds to critical community needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	The Chronicle Of Philanthropy	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	51 contacts →
	Exact match “The Chronicle of Philanthropy is the No.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Philanthropy Roundtable	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	41 contacts →
	Exact match “The Philanthropy Roundtable is a national association of individual donors, corporate giving officers, and foundation trustees and staff.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Center For Disaster Philanthropy	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	34 contacts →
	Exact match “We mobilize philanthropy to strengthen the ability of all communities to withstand disasters and recover equitably when they occur.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	National Center For Family Philanthropy Ncfp	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	32 contacts →
	Exact match “NCFP is a network of philanthropic families committed to a world that is vibrant, equitable, and resilient.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Amalgamated Foundation	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	201-500	32 contacts →
	Exact match “Building the giving platform of the future by empowering activism, harnessing generosity and leveraging technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Capital Research Center	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	26 contacts →
	Exact match “The Capital Research Center was established in 1984 to examine how foundations, charities, and other nonprofits spend money and get involved in politics and advocacy, often in…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Grantmakers For Effective Organizations GEO	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	23 contacts →
	Exact match “The GEO community makes the difference between grantmaking as usual and transformational change.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Community Wealth Partners	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	23 contacts →
	Exact match “Guided by our vision of a world where all people have what they need to fully live into their potential, we partner with nonprofits and foundations to create strategies, implement…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	National Committee For Responsive Philanthropy	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	22 contacts →
	Exact match “The National Committee for Responsive Philanthropy in Washington, D.C, is a national watchdog, research and advocacy organization that promotes philanthropy that serves the public…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Grantmakers In Health	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	18 contacts →
	Exact match “Grantmakers In Health (GIH) is dedicated to helping philanthropic organizations and advisors improve the health of all people.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Hunt Alternatives	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	17 contacts →
	Exact match “Swanee Hunt Alternatives is a two-generation family operating foundation based in Washington, DC, with a multi-million dollar annual budget.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Exponent Philanthropy	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	16 contacts →
	Exact match “Exponent Philanthropy is the country’s largest association of funders and the only one dedicated to serving foundations with few or no staff, philanthropic families, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	NEW Venture Fund	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	201-500	16 contacts →
	Exact match “New Venture Fund collaborates with individuals and institutions to provide fiscal sponsorship and project hosting support that enable them to reach their philanthropic goals.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	English Hudson Consulting	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	15 contacts →
	Exact match “Founded by Lynn English and Marlissa Hudson, English Hudson aligns resources with mission-driven organizations through strategies that come from and are executed by the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Russell Philanthropies	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	1-10	14 contacts →
	Exact match “We're on a mission to build a more equitable world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Funders Together For Housing Justice	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	1-10	12 contacts →
	Exact match “Funders Together for Housing Justice (formerly Funders Together to End Homelessness) mobilizes its members to use philanthropy’s voice, influence, and financial capital to end…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Nanoe National Association Of Nonprofit Organizations & Executives	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	12 contacts →
	Exact match “Our Members Are Our Mission National Association of Nonprofit Organizations & Executives (NANOE) is a nationwide network of donors, volunteers and charitable leaders whose…” Recorded in the RevenueBase company graph · Sep 20, 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 “philanthropic organizations”. 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 89 philanthropic organizations based in Washington, United States

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Philanthropic organizations based in Washington, United States at a glance

As of Sep 20, 2026

38.4%Verified-email coverage

25.2Average contacts per company

1-10Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 89 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 “philanthropic organizations” 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 862 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 20, 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.

Philanthropic organizations by metro in the United States

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 “philanthropic organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many philanthropic organizations are there based in Washington, United States?

RevenueBase identified 89 company matches for philanthropic organizations 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?

Independent Sector 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 philanthropic organizations?

New York leads the United States with 187 company records, followed by Washington (89) and Los Angeles (87).

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 862 professional contacts with verified work emails tracked across these 89 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 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.