Company lists · Data refreshed September 2026

Top 25 Nonprofit advocacy groups based in the United States

RevenueBase identified 236 company matches for nonprofit advocacy groups associated with the United States as of September 2026 and tracks 3,000 professional contacts across them, including 1,144 with verified work emails. Washington is the largest hub.

This list covers company matches for nonprofit advocacy groups associated with the 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
236Companies
3,000Contacts tracked
1,144Verified emails
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The 25 largest nonprofit advocacy groups based in the United States

Ranked by team size
Top 25 of 236 company matches for nonprofit advocacy groups based in the 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 matchMinneapolis, MN, United StatesHQ recorded Sep 20, 202651-200234 contacts →

Exact match

“When we unite as changemakers, we can disrupt systems, unlock human potential, change narratives, create equitable solutions and advocate for policies that result in lasting…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200195 contacts →

Exact match

“Public Citizen is a nonprofit consumer advocacy organization that champions the public interest – your interests – in the halls of power.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200123 contacts →

Exact match

“Our mission is to resist Trump’s agenda by empowering local activist groups to make their Members of Congress listen.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United StatesHQ recorded Sep 20, 2026201-500114 contacts →

Exact match

“The Public Interest Network runs organizations committed to our vision of a better world, a set of core values, and a strategic approach to getting things done.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202651-20091 contacts →

Exact match

“RALLY is an advocacy agency.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchDenver, CO, United StatesHQ recorded Sep 20, 2026201-50079 contacts →

Exact match

“PIRG is an advocate for the public interest.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-20067 contacts →

Exact match

“The Hub Project is a Washington D.C.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchLexington, KY, United StatesHQ recorded Sep 20, 202611-5066 contacts →

Exact match

“United Way fights for a better Bluegrass.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchAlbany, NY, United StatesHQ recorded Sep 20, 202611-5062 contacts →

Exact match

“Citizen Action of New York is a grassroots membership organization taking on big issues that are at the center of transforming American society.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-20059 contacts →

Exact match

“Civic Nation is a home for changemakers who inspire, educate, and activate people around the issues that will define this generation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5058 contacts →

Exact match

“Alliance for Justice is a national association of over 120 organizations, representing a broad array of groups committed to progressive values and the creation of an equitable…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBakersfield, CA, United StatesHQ recorded Sep 20, 202611-5055 contacts →

Exact match

“As a 501(c)(3) organization dedicated to inspiring and mobilizing communities, our mission is to cultivate empowered volunteer organizations actively pursuing social justice.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5053 contacts →

Exact match

“At CREW, we use aggressive legal actions, in-depth investigations, and innovative policy and reform work to achieve that vision.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5051 contacts →

Exact match

“Advocacy Associates specializes in strategic grassroots and advocacy approaches designed to address the individual needs of our clients - no cookie cutter approaches are allowed.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchCleveland, OH, United StatesHQ recorded Sep 20, 202611-5048 contacts →

Exact match

“Ohio Citizen Action organizes and mobilizes people to advocate for public interests.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchMontpelier, VT, United StatesHQ recorded Sep 20, 202611-5045 contacts →

Exact match

“VPIRG’s mission is to promote and protect the health of Vermont’s people, environment and locally-based economy by informing and mobilizing individuals and communities across the…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchPhoenix, AZ, United StatesHQ recorded Sep 20, 202651-20042 contacts →

Exact match

“Colossal is a nationally registered professional fundraiser that inspires people to advocate for themselves and those in need.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-5036 contacts →

Exact match

“Following 18 years of impact as Community Development Project of the Urban Justice Center, TakeRoot Justice launched as an independent organization in July 2019.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchMclean, VA, United StatesHQ recorded Sep 20, 202611-5033 contacts →

Exact match

“Because we want to create a better society for our children and for their children, we are devoted to raising funds for organizations that promote the values we believe in.”

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

Exact match

“Many people are frustrated that more is not being done to improve the quality of their lives and communities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchWoodland Hills, CA, United StatesHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“Professional Advocacy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchChicago, DC, United StatesHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“Grassroots Team is the leading community mobilization organization building long-term support for exceptional progressive organizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchSt. Paul, MN, United StatesHQ recorded Sep 20, 202611-5024 contacts →

Exact match

“TakeAction Minnesota is a statewide people’s network that brings democracy alive in communities across our state.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“Fuse is the state's largest progressive organization - people creating change online, on the ground, and on issues that matter.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBerkeley, CA, United StatesHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“No single organization can win alone.”

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

Showing 25 of 236 nonprofit advocacy groups based in the United States

See the full list, filter by size, metro and specialty, and access 1,144 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit advocacy groups based in the United States at a glance

As of Sep 20, 2026
38.1%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
9.7%Largest-city concentration · Washington
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
138
11-50
74
51-200
19
201-500
4

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 236 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 the United States whose business descriptions match “nonprofit advocacy groups” 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 1,144 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 advocacy groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit advocacy groups are there based in the United States?

RevenueBase identified 236 company matches for nonprofit advocacy groups associated with the 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?

Greater Twin Cities United WAY tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nonprofit advocacy groups?

Washington leads with 23 company records, followed by New York (13) and Chicago (9).

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 1,144 professional contacts with verified work emails tracked across these 236 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.