Company lists · Data refreshed November 2026

Top 25 Grassroots organizing groups worldwide

RevenueBase identified 427 company matches for grassroots organizing groups worldwide as of November 2026 and tracks 5,665 professional contacts across them, including 1,822 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for grassroots organizing groups worldwide, 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 November 6, 2026. Country and city lists for grassroots organizing groups follow the table.

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 Nov 6, 2026 How this list was built
427Companies
5,665Contacts tracked
1,822Verified emails
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The 25 largest grassroots organizing groups worldwide

Ranked by team size
Top 25 of 427 company matches for grassroots organizing groups worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 20265,001-10,000393 contacts →

Exact match

“FieldWorks brings innovative grassroots and field strategies to Democratic and progressive campaigns and organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200227 contacts →

Exact match

“Common Cause is a nonpartisan, grassroots organization dedicated to restoring the core values of American democracy, reinventing an open, honest and accountable government that…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“We are the UK’s biggest, most diverse, and most effective people-powered alliance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“For Our Future is a 501(c)(3), 501(c)(4), and PAC that empowers people in battleground states and districts to organize their communities, build progressive power, and fight for a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“United Way mobilizes people to action so that all can thrive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 202651-200140 contacts →

Exact match

“We travel across the nation to register voters, knock doors, and win elections!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200134 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“MoveOn is the largest independent, progressive, digitally-connected organizing group in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“United Way of Greater Cleveland is mobilizing and empowering Greater Cleveland residents to help break the cycle of poverty.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBronx, NY, United StatesHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“We envision a vibrant, diverse and equitable community in which all individuals and families have the power to make quality choices about education, employment, housing, wellness…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Nov 6, 202611-5090 contacts →

Exact match

“e-graine est un mouvement d’éducation populaire créé en 2006.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“Swing Left is a national grassroots organization working to elect Democrats up and down the ballot.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20068 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLexington, KY, United StatesHQ recorded Nov 6, 202611-5067 contacts →

Exact match

“United Way fights for a better Bluegrass.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 2026201-50067 contacts →

Exact match

“Street Level Strategy, LLC is a public affairs firm that specializes in grassroots mobilization, community organizing, digital organizing, and campaign management for a range of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“FreedomWorks exists to build, educate, and mobilize the largest network of activists advocating the principles of smaller government, lower taxes, free markets, personal liberty…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAlbany, NY, United StatesHQ recorded Nov 6, 202611-5065 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPortland, ME, United StatesHQ recorded Nov 6, 202611-5064 contacts →

Exact match

“With deep local roots in Southern Maine, United Way sees how our community’s greatest challenges like food insecurity, housing instability, and lack of access to child care and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBakersfield, CA, United StatesHQ recorded Nov 6, 202611-5063 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchManchester, NH, United StatesHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“In communities across America, approximately 1200 United Ways improve lives by mobilizing the caring power of their communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“United Way of Metropolitan Dallas is social change organization that unites community to create opportunity and access for all North Texans to thrive, challenging the systemic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5059 contacts →

Exact match

“Chicago Cares mobilizes volunteers to build a stronger, more unified Chicago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“38 Degrees is made up of more than 2 million people from all walks of life across the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Safe & Sound Mission: We unite residents, youth, law enforcement and community resources to build safe and empowered neighborhoods.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 2026201-50050 contacts →

Exact match

“Project 26 PA (P26) is a youth-led 501(c)(3) and 501(c)4) grassroots organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 427 grassroots organizing groups worldwide

See the full list, filter by size, metro and specialty, and access 1,822 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grassroots organizing groups worldwide at a glance

As of Nov 6, 2026
32.2%Verified-email coverage
13.3Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · Washington
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
239
11-50
132
51-200
39
201-500
9
501-1,000
2
5,001-10,000
2
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for grassroots organizing groups are linked below.
What qualifies
Company records worldwide whose business descriptions match “grassroots organizing 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. 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 1,822 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 November 6, 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.

Grassroots organizing groups by location

1 lists · largest first

Every Grassroots organizing groups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “grassroots organizing groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grassroots organizing groups are there worldwide?

RevenueBase identified 427 company matches for grassroots organizing groups worldwide as of November 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?

Fieldworks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most grassroots organizing groups?

The United States leads with 264 companies. Every grassroots organizing groups list by country and city is linked on this page.

Which city has the most grassroots organizing groups?

Washington leads with 16 company records, followed by Chicago (13) and Los Angeles (7).

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 1,822 professional contacts with verified work emails tracked across these 427 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 November 6, 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.