Company lists · Data refreshed September 2026
Top 25 Advocacy organizations based in Washington, United States
RevenueBase identified 290 company matches for advocacy organizations associated with Washington, United States as of September 2026 and tracks 8,315 professional contacts across them, including 3,349 with verified work emails. Across the United States, Washington is the largest hub for this category.
This list covers company matches for advocacy 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 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.
The 25 largest advocacy organizations based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 411 contacts → | ||||
Exact match “DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 410 contacts → | ||||
Exact match “ONE is a global nonpartisan organization fighting for a more just world by demanding the investments needed to create economic opportunities and healthier lives in Africa.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 375 contacts → | ||||
Exact match “The League of Women Voters of the United States encourages informed and active participation in government, works to increase understanding of major public policy issues, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 243 contacts → | ||||
Exact match “The Services You Need BGR Group offers an integrated suite of bipartisan lobbying, strategic communications and advocacy solutions that help meet challenges in a risky…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 239 contacts → | ||||
Exact match “We’re bold.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 236 contacts → | ||||
Exact match “Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 226 contacts → | ||||
Exact match “At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 218 contacts → | ||||
Exact match “LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 211 contacts → | ||||
Exact match “SJCS is different from other agencies.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 205 contacts → | ||||
Exact match “Excellence isn’t enough.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 195 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 19, 2026 · View company records in RevenueBase | |||||
| 12 | 153 contacts → | ||||
Exact match “The National Alliance for Care at Home (the Alliance) brings together the two largest organizations representing, advocating for, educating, and connecting providers of care in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 151 contacts → | ||||
Exact match “The American Association for Justice works to make sure people have a fair chance to receive justice through the legal system when they are injured by the negligence or misconduct…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 141 contacts → | ||||
Exact match “For over 50 years, our organization and members have unapologetically helped lead the charge on both the state and national levels to protect and advance reproductive freedom…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 130 contacts → | ||||
Exact match “We believe it is possible for Americans to be able to afford the medicines of today and tomorrow.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 123 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 19, 2026 · View company records in RevenueBase | |||||
| 17 | 99 contacts → | ||||
Exact match “RESULTS is a movement of passionate, committed everyday people.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 97 contacts → | ||||
Exact match “The Global Health Advocacy Incubator supports civil society organizations that advocate for public health policies that reduce death and disease.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 97 contacts → | ||||
Exact match “The Leadership Conference on Civil and Human Rights is a diverse coalition of more than 240 organizations representing the majority of America.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 89 contacts → | ||||
Exact match “The Center for Science in the Public Interest (CSPI) is a non-profit health-advocacy group based in Washington, DC, that focuses on nutrition and food safety.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 89 contacts → | ||||
Exact match “The League represents bicyclists in the movement to create safer roads, stronger communities and a Bicycle Friendly America for everyone.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 80 contacts → | ||||
Exact match “America Votes is the coordination hub of the progressive community.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 76 contacts → | ||||
Exact match “Founded in 1944, the National Congress of American Indians is the oldest, largest and most representative American Indian and Alaska Native organization in the country.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 73 contacts → | ||||
Exact match “For more than 30 years, Families USA has been the trusted voice for America’s health care consumers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 69 contacts → | ||||
Exact match “Established in 2010, Thorn Run Partners is a leading Washington, DC-based government affairs firm whose members are Capitol Hill veterans with over a century’s experience in…” Recorded in the RevenueBase company graph · Sep 19, 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 “advocacy 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 290 advocacy organizations based in Washington, United States
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Advocacy organizations based in Washington, United States at a glance
As of Sep 19, 2026Companies by employee count
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 290 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 “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 3,349 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.
Advocacy organizations by metro in the United States
- Advocacy organizations in New York71
- Advocacy organizations in Sacramento47
- Advocacy organizations in Los Angeles42
- Advocacy organizations in Boston38
- Advocacy organizations in Chicago37
- Advocacy organizations in Denver36
- Advocacy organizations in Austin32
- Advocacy organizations in Atlanta30
- Advocacy organizations in Phoenix26
- Advocacy organizations in San Francisco25
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 Washington, United States?
RevenueBase identified 290 company matches for advocacy 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?
DDC Public Affairs 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).
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 3,349 professional contacts with verified work emails tracked across these 290 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.
Ready to reach these companies? Verified emails and direct dials for all 290 advocacy organizations based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
Advocacy organizations by geography
- Advocacy organizations based in Sydney, Australia
- Advocacy organizations based in Toronto, Canada
- Advocacy organizations based in London, United Kingdom
- Advocacy organizations based in Atlanta, United States
- Advocacy organizations based in Austin, United States
- Advocacy organizations based in Boston, United States
- Advocacy organizations based in Chicago, United States
- Advocacy organizations based in Denver, United States
- Advocacy organizations based in Los Angeles, United States
- Advocacy organizations based in New York, United States
- Advocacy organizations based in Phoenix, United States
- Advocacy organizations based in Sacramento, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Advocacy organizations based in Sydney, Australia
- Advocacy organizations based in Toronto, Canada
- Advocacy organizations based in London, United Kingdom
- Advocacy organizations based in Atlanta, United States
- Advocacy organizations based in Austin, United States
- Advocacy organizations based in Boston, United States
Company intelligence · public preview
Top 25 advocacy organizations based in Washington, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 290 matching company records for advocacy organizations based in Washington, United States, with 8,315 tracked contacts and 3,349 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 advocacy organizations based in Washington, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  DDC Public Affairsddcpublicaffairs.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 411 contacts → |
“DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | The ONE Campaignone.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 410 contacts → |
“ONE is a global nonpartisan organization fighting for a more just world by demanding the investments needed to create economic opportunities and healthier lives in Africa.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | League Of Women Voterslwv.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 375 contacts → |
“The League of Women Voters of the United States encourages informed and active participation in government, works to increase understanding of major public policy issues, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  BGR Groupbgrdc.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 243 contacts → |
“The Services You Need BGR Group offers an integrated suite of bipartisan lobbying, strategic communications and advocacy solutions that help meet challenges in a risky…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  GMMBgmmb.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 239 contacts → |
“We’re bold.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cohen Milstein Sellers & Toll LLPcohenmilstein.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 236 contacts → |
“Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Missionwiredmissionwired.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 226 contacts → |
“At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 218 contacts → |
“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | St. John's Community Servicessjcs.org HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 211 contacts → |
“SJCS is different from other agencies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  AVŌQteamavoq.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 205 contacts → |
“Excellence isn’t enough.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Public Citizencitizen.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 195 contacts → |
“Public Citizen is a nonprofit consumer advocacy organization that champions the public interest – your interests – in the halls of power.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  National Association For Home Care & Hospice NOW The National Alliance For Care At Homeallianceforcareathome.orgHQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 153 contacts → |
“The National Alliance for Care at Home (the Alliance) brings together the two largest organizations representing, advocating for, educating, and connecting providers of care in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | American Association For Justicejustice.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 151 contacts → |
“The American Association for Justice works to make sure people have a fair chance to receive justice through the legal system when they are injured by the negligence or misconduct…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Reproductive Freedom For ALLreproductivefreedomforall.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 141 contacts → |
“For over 50 years, our organization and members have unapologetically helped lead the charge on both the state and national levels to protect and advance reproductive freedom…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NO Patient Left Behindnopatientleftbehind.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 130 contacts → |
“We believe it is possible for Americans to be able to afford the medicines of today and tomorrow.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Indivisible Projectindivisible.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 123 contacts → |
“Our mission is to resist Trump’s agenda by empowering local activist groups to make their Members of Congress listen.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Results And Results Educational Fundresults.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 99 contacts → |
“RESULTS is a movement of passionate, committed everyday people.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Global Health Advocacy Incubatoradvocacyincubator.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 97 contacts → |
“The Global Health Advocacy Incubator supports civil society organizations that advocate for public health policies that reduce death and disease.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Leadership Conference On Civil And Human Rightscivilrights.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 97 contacts → |
“The Leadership Conference on Civil and Human Rights is a diverse coalition of more than 240 organizations representing the majority of America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Center For Science In The Public Interestcspinet.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 89 contacts → |
“The Center for Science in the Public Interest (CSPI) is a non-profit health-advocacy group based in Washington, DC, that focuses on nutrition and food safety.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | League Of American Bicyclistsbikeleague.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 89 contacts → |
“The League represents bicyclists in the movement to create safer roads, stronger communities and a Bicycle Friendly America for everyone.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  America Votesamericavotes.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 80 contacts → |
“America Votes is the coordination hub of the progressive community.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 76 contacts → |
“Founded in 1944, the National Congress of American Indians is the oldest, largest and most representative American Indian and Alaska Native organization in the country.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Families USAfamiliesusa.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 73 contacts → |
“For more than 30 years, Families USA has been the trusted voice for America’s health care consumers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Thorn RUN Partnersthornrun.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 69 contacts → |
“Established in 2010, Thorn Run Partners is a leading Washington, DC-based government affairs firm whose members are Capitol Hill veterans with over a century’s experience in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 290 company matches
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Advocacy organizations: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
290 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 290 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Advocacy organizations by metro in the United States
- Advocacy organizations in New York71
- Advocacy organizations in Sacramento47
- Advocacy organizations in Los Angeles42
- Advocacy organizations in Boston38
- Advocacy organizations in Chicago37
- Advocacy organizations in Denver36
- Advocacy organizations in Austin32
- Advocacy organizations in Atlanta30
- Advocacy organizations in Phoenix26
- Advocacy organizations in San Francisco25
Questions about this company list
What does Exact match mean for advocacy organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many advocacy organizations did RevenueBase find based in Washington, United States?
The saved snapshot records 290 matching company records, 8,315 tracked contacts and 3,349 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Advocacy organizations by geography
- Advocacy organizations based in Sydney, Australia
- Advocacy organizations based in Toronto, Canada
- Advocacy organizations based in London, United Kingdom
- Advocacy organizations based in Atlanta, United States
- Advocacy organizations based in Austin, United States
- Advocacy organizations based in Boston, United States
- Advocacy organizations based in Chicago, United States
- Advocacy organizations based in Denver, United States
- Advocacy organizations based in Los Angeles, United States
- Advocacy organizations based in New York, United States
- Advocacy organizations based in Phoenix, United States
- Advocacy organizations based in Sacramento, United States
Cite this list
RevenueBase Data Team. Top 25 advocacy organizations based in Washington, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/advocacy-organizations/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Advocacy organizations based in Sydney, Australia
- Advocacy organizations based in Toronto, Canada
- Advocacy organizations based in London, United Kingdom
- Advocacy organizations based in Atlanta, United States
- Advocacy organizations based in Austin, United States
- Advocacy organizations based in Boston, United States
Company intelligence · public preview
Top 25 advocacy organizations based in Washington, United States
RevenueBase records 290 matching company records for advocacy organizations based in Washington, United States, with 8,315 tracked contacts and 3,349 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 advocacy organizations based in Washington, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | DDC Public Affairsddcpublicaffairs.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 411 contacts → |
“DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | The ONE Campaignone.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 410 contacts → |
“ONE is a global nonpartisan organization fighting for a more just world by demanding the investments needed to create economic opportunities and healthier lives in Africa.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | League Of Women Voterslwv.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 375 contacts → |
“The League of Women Voters of the United States encourages informed and active participation in government, works to increase understanding of major public policy issues, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | BGR Groupbgrdc.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 243 contacts → |
“The Services You Need BGR Group offers an integrated suite of bipartisan lobbying, strategic communications and advocacy solutions that help meet challenges in a risky…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | GMMBgmmb.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 239 contacts → |
“We’re bold.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cohen Milstein Sellers & Toll LLPcohenmilstein.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 236 contacts → |
“Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Missionwiredmissionwired.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 226 contacts → |
“At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 218 contacts → |
“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | St. John's Community Servicessjcs.org HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 211 contacts → |
“SJCS is different from other agencies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AVŌQteamavoq.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 205 contacts → |
“Excellence isn’t enough.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Public Citizencitizen.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 195 contacts → |
“Public Citizen is a nonprofit consumer advocacy organization that champions the public interest – your interests – in the halls of power.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | National Association For Home Care & Hospice NOW The National Alliance For Care At Homeallianceforcareathome.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 153 contacts → |
“The National Alliance for Care at Home (the Alliance) brings together the two largest organizations representing, advocating for, educating, and connecting providers of care in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | American Association For Justicejustice.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 151 contacts → |
“The American Association for Justice works to make sure people have a fair chance to receive justice through the legal system when they are injured by the negligence or misconduct…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Reproductive Freedom For ALLreproductivefreedomforall.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 141 contacts → |
“For over 50 years, our organization and members have unapologetically helped lead the charge on both the state and national levels to protect and advance reproductive freedom…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NO Patient Left Behindnopatientleftbehind.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 130 contacts → |
“We believe it is possible for Americans to be able to afford the medicines of today and tomorrow.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Indivisible Projectindivisible.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 123 contacts → |
“Our mission is to resist Trump’s agenda by empowering local activist groups to make their Members of Congress listen.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Results And Results Educational Fundresults.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 99 contacts → |
“RESULTS is a movement of passionate, committed everyday people.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Global Health Advocacy Incubatoradvocacyincubator.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 97 contacts → |
“The Global Health Advocacy Incubator supports civil society organizations that advocate for public health policies that reduce death and disease.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Leadership Conference On Civil And Human Rightscivilrights.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 97 contacts → |
“The Leadership Conference on Civil and Human Rights is a diverse coalition of more than 240 organizations representing the majority of America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Center For Science In The Public Interestcspinet.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 89 contacts → |
“The Center for Science in the Public Interest (CSPI) is a non-profit health-advocacy group based in Washington, DC, that focuses on nutrition and food safety.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | League Of American Bicyclistsbikeleague.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 89 contacts → |
“The League represents bicyclists in the movement to create safer roads, stronger communities and a Bicycle Friendly America for everyone.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | America Votesamericavotes.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 80 contacts → |
“America Votes is the coordination hub of the progressive community.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 76 contacts → |
“Founded in 1944, the National Congress of American Indians is the oldest, largest and most representative American Indian and Alaska Native organization in the country.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Families USAfamiliesusa.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 73 contacts → |
“For more than 30 years, Families USA has been the trusted voice for America’s health care consumers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Thorn RUN Partnersthornrun.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 69 contacts → |
“Established in 2010, Thorn Run Partners is a leading Washington, DC-based government affairs firm whose members are Capitol Hill veterans with over a century’s experience in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 290 company matches
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Advocacy organizations: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
290 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 290 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Advocacy organizations by metro in the United States
- Advocacy organizations in New York71
- Advocacy organizations in Sacramento47
- Advocacy organizations in Los Angeles42
- Advocacy organizations in Boston38
- Advocacy organizations in Chicago37
- Advocacy organizations in Denver36
- Advocacy organizations in Austin32
- Advocacy organizations in Atlanta30
- Advocacy organizations in Phoenix26
- Advocacy organizations in San Francisco25
Questions about this company list
What does Exact match mean for advocacy organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many advocacy organizations did RevenueBase find based in Washington, United States?
The saved snapshot records 290 matching company records, 8,315 tracked contacts and 3,349 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Advocacy organizations by geography
- Advocacy organizations based in Sydney, Australia
- Advocacy organizations based in Toronto, Canada
- Advocacy organizations based in London, United Kingdom
- Advocacy organizations based in Atlanta, United States
- Advocacy organizations based in Austin, United States
- Advocacy organizations based in Boston, United States
- Advocacy organizations based in Chicago, United States
- Advocacy organizations based in Denver, United States
- Advocacy organizations based in Los Angeles, United States
- Advocacy organizations based in New York, United States
- Advocacy organizations based in Phoenix, United States
- Advocacy organizations based in Sacramento, United States
Cite this list
RevenueBase Data Team. Top 25 advocacy organizations based in Washington, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/advocacy-organizations/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Advocacy organizations based in Sydney, Australia
- Advocacy organizations based in Toronto, Canada
- Advocacy organizations based in London, United Kingdom
- Advocacy organizations based in Atlanta, United States
- Advocacy organizations based in Austin, United States
- Advocacy organizations based in Boston, United States