Company lists · Data refreshed September 2026

Top 25 Nonprofit business support organizations based in Washington, United States

RevenueBase identified 81 company matches for nonprofit business support organizations associated with Washington, United States as of September 2026 and tracks 2,179 professional contacts across them, including 448 with verified work emails. Across the United States, New York is the largest hub for this category (115 companies); Washington has 81.

This list covers company matches for nonprofit business support 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
81Companies
2,179Contacts tracked
448Verified emails
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The 25 largest nonprofit business support organizations based in Washington, United States

Ranked by team size
Top 25 of 81 company matches for nonprofit business support 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026n/a1,328 contacts →

Exact match

“SCORE is the nation’s largest network of volunteer, expert business mentors, with more than volunteers serving all 50 U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchWashington, United StatesHQ recorded Sep 20, 202651-200208 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5071 contacts →

Exact match

“The Hilltop Microfinance Initiative (HMFI) is a 501(c)(3) nonprofit organization managed and staffed by Georgetown student volunteers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5053 contacts →

Exact match

“BoardSource envisions a future where the nonprofit community has the leadership to fulfill its purpose and create a just world where all can thrive.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5040 contacts →

Exact match

“Communities thrive when nonprofits succeed.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026201-50026 contacts →

Exact match

“Globalization: In today's fiercely competitive business environment, small businesses often find themselves struggling to keep up with larger competitors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“Credit Builders Alliance (CBA) is an innovative, non-profit social enterprise that empowers a diverse and growing network of hundreds of nonprofits to help low- and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-1023 contacts →

Exact match

“NVSBC is a nationally recognized non-profit organization that provides Training, Networking, and Advocacy for Veteran small business entrepreneurs in the federal market to ensure…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“The Center strengthens, promotes, and represents nonprofit organizations in the District of Columbia, Prince George's and Montgomery Counties, Maryland, and the Commonwealth of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“Management Consulting Firm * info@hipimpact.com.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5019 contacts →

Exact match

“Jon Thomas Consulting supports the development activities, business needs, government affairs, and fundraising efforts of nonprofits, associations, and other organizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Fair Chance envisions a world where every child succeeds.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“The Main Street Alliance is the voice for small business values in the United States.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“Spark Point is the resource that nonprofits are hungry for – a thought partner to guide them to an easily implemented, sustainable fundraising strategy and an experienced grant…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“Bernuth & Williamson provides consulting services in the areas of strategy, change management, and organizational development to leading nonprofits, foundations, associations, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-1011 contacts →

Exact match

“For more than ten years, Abundance Strategies (formerly KG Consulting) has been empowering nonprofits to embrace a culture of abundance and helping them to raise millions of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-1011 contacts →

Exact match

“20 Degrees is a team of innovative, irreverent optimists changing the culture of philanthropy and the business of early childhood education.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-1010 contacts →

Exact match

“AWBC is a national non-profit 501(c)(3) organization founded in 1998.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-109 contacts →

Exact match

“TNPA empowers mission-driven changemakers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-109 contacts →

Exact match

“KEY TIME CLIENTS CALL ON US • The CEO and Board Chair get off a call.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-109 contacts →

Exact match

“The National Puerto Rican Chamber of Commerce (NPRCC) is a 501(c)3 non-profit organization created to support the development of entrepreneurship, innovation, and business…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-107 contacts →

Exact match

“CAE is a nonpartisan research, policy, and advocacy organization that works with policymakers in Washington and across the country to enact public policies that promote new…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“The Connected Commerce Council (3C) is a non-profit organization with a single goal: to promote small businesses’ access to essential digital technologies and tools.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“SB Works is a new small business resource center for the District of Columbia focused on tackling the biggest challenges facing business owners.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 81 nonprofit business support organizations based in Washington, United States

See the full list, filter by size, metro and specialty, and access 448 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit business support organizations based in Washington, United States at a glance

As of Sep 20, 2026
20.6%Verified-email coverage
26.9Average contacts per company
1-10Median size (employees)
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
57
11-50
19
51-200
3
201-500
2

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 81 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 “nonprofit business support 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 448 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.

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

How many nonprofit business support organizations are there based in Washington, United States?

RevenueBase identified 81 company matches for nonprofit business support 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?

Score Mentors 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 nonprofit business support organizations?

New York leads the United States with 115 company records, followed by Chicago (97) and Washington (81).

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 448 professional contacts with verified work emails tracked across these 81 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.