Company lists · Data refreshed September 2026

Top 25 Advocacy organizations based in Boston, United States

RevenueBase identified 38 company matches for advocacy organizations associated with Boston, United States as of September 2026 and tracks 708 professional contacts across them, including 155 with verified work emails. Across the United States, Washington is the largest hub for this category (290 companies); Boston has 38.

This list covers company matches for advocacy organizations associated with Boston, 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 19, 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 19, 2026 How this list was built
38Companies
708Contacts tracked
155Verified emails
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The 25 largest advocacy organizations based in Boston, United States

Ranked by team size
Top 25 of 38 company matches for advocacy organizations based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5067 contacts →

Exact match

“The Disability Law Center (DLC) is the Protection and Advocacy (P&A) agency for Massachusetts.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202651-20064 contacts →

Exact match

“AIDS Action Committee of Massachusetts (AAC) is a leader in the fight against HIV/AIDS, advocating at the city, state, and federal levels for fair and effective AIDS policies…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5052 contacts →

Exact match

“MIRA works to advocate for the rights and opportunities of immigrants and refugees.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5038 contacts →

Exact match

“The Environmental League of Massachusetts advocates for policy that meets the scale and urgency of our environmental challenges.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5025 contacts →

Exact match

“Massachusetts Advocates for Children is a private nonprofit organization dedicated to being an independent and effective voice for children who face significant barriers to equal…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“Our mission is to bring the voice of people with disabilities to the table on key issues, to support the health of our community through participatory research and expert policy…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“At Neighbor to Neighbor, we make democracy work for us.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-1014 contacts →

Exact match

“The Massachusetts Public Health Alliance (MPHA) is a nonprofit organization that promotes a healthy Massachusetts through advocacy, community organizing, and coalition building.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-1011 contacts →

Exact match

“The League of Women Voters of Massachusetts is a non-profit, non-partisan civic organization that seeks to educate, empower, and advocate for all Massachusetts residents.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-1011 contacts →

Exact match

“Since 2001, Charles Group Consulting (CGC) has provided its clients with unparalleled access to state government and guidance toward achieving successful outcomes for their…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-1010 contacts →

Exact match

“MAMH is a public policy and legislative advocacy organization formed a century ago whose mission is to advance mental health and well being by promoting prevention, early…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-109 contacts →

Exact match

“The Massachusetts Business Alliance for Education (MBAE) and the employers we represent believe that a strong community and economy is based on every child having equal access to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-508 contacts →

Exact match

“MASS is a statewide, self-advocacy organization run for and by people with developmental disabilities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-108 contacts →

Exact match

“We are a mission-driven organization with one goal: to advance self-direction.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-104 contacts →

Exact match

“Living Our Values Join Us”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-504 contacts →

Exact match

“Our Healthcare system in America is broken.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-104 contacts →

Exact match

“The Children’s League of Massachusetts (CLM) is a statewide non-profit association of over 60 private and public organizations and individuals that collectively advocate for…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-102 contacts →

Exact match

“Highbury Strategies provides the strategic guidance, tools, and experience to mobilize support for issues, influence policy fights and win tough campaigns.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-102 contacts →

Exact match

“CPLAN (Collaborative Parent Leadership Action Network) is an educational advocacy organization led by parents of color, using their lived experience to inform decision making…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-501 contacts →

Exact match

“MA Advocates Standing Strong (MA Advocates) offers services to empower individuals with intellectual and developmental disabilities to take control and make their own life…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-101 contacts →

Exact match

“The Bradford Education Project is a 501c3 Non Profit Organization.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-101 contacts →

Exact match

“ACF Impact Strategies helps clients in the grassroots advocacy, nonprofit, and organized labor sectors tell their stories, through the media, on Beacon Hill, and in local…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Single solely dedicated organization dedicated to human rights in the arena of abortion and euthanasia in Massachusetts.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 38 advocacy organizations based in Boston, United States

See the full list, filter by size, metro and specialty, and access 155 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Advocacy organizations based in Boston, United States at a glance

As of Sep 19, 2026
21.9%Verified-email coverage
18.6Average contacts per company
1-10Median size (employees)
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
12
51-200
1
201-500
1

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 38 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 Boston, United States whose business descriptions match “advocacy 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 155 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 19, 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 “advocacy organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many advocacy organizations are there based in Boston, United States?

RevenueBase identified 38 company matches for advocacy organizations associated with Boston, 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?

Disability LAW Center 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 advocacy organizations?

Washington leads the United States with 290 company records, followed by New York (71) and Sacramento (47). Boston has 38.

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 155 professional contacts with verified work emails tracked across these 38 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 19, 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.