Company lists · Data refreshed September 2026
Top 25 Nonprofit advocacy law firms based in the United States
RevenueBase identified 2,050 company matches for nonprofit advocacy law firms associated with the United States as of September 2026 and tracks 40,632 professional contacts across them, including 23,043 with verified work emails. Washington is the largest hub.
This list covers company matches for nonprofit advocacy law firms 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 29, 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 nonprofit advocacy law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,016 contacts → | ||||
Exact match “John Morgan became a lawyer with a simple mission: To fight for the people, and not the powerful.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 2,012 contacts → | ||||
Exact match “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 1,980 contacts → | ||||
Exact match “At Taft, we work as one team, driven and committed to helping you succeed.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 1,790 contacts → | ||||
Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 1,682 contacts → | ||||
Exact match “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 916 contacts → | ||||
Exact match “Inspired People.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 815 contacts → | ||||
Exact match “Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 758 contacts → | ||||
Exact match “At Adams & Reese, we take things personally.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 576 contacts → | ||||
Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 343 contacts → | ||||
Exact match “This page contains attorney advertising.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 307 contacts → | ||||
Exact match “Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 298 contacts → | ||||
Exact match “Maryland Legal Aid (MLA) is a statewide private, nonprofit law firm that provides free, civil legal services to low-income and vulnerable people to address their most fundamental…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 240 contacts → | ||||
Exact match “Each year Neighborhood Legal Services of Los Angeles County (NLSLA) provides free assistance to more than individuals and families through innovative projects that expand access…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 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 29, 2026 · View company records in RevenueBase | |||||
| 15 | 230 contacts → | ||||
Exact match “Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 230 contacts → | ||||
Exact match “California Rural Legal Assistance, Inc.(CRLA) is an anti-poverty law firm that dismantles unjust systems through community lawyering in California’s historically rural areas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 226 contacts → | ||||
Exact match “As a dynamic statewide law firm, NJP pursues its mission through legal advice and representation, community partnerships, and education to empower clients and combat injustice in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 222 contacts → | ||||
Exact match “Foster Swift has helped businesses, public entities, families, and individuals navigate legal challenges and discover opportunities across Michigan for more than 120 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 217 contacts → | ||||
Exact match “HeplerBroom LLC is committed to bringing Excellence, Results, and Integrity to everything we do.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 206 contacts → | ||||
Exact match “Through strategic litigation, training, communication, activism and research, the Institute for Justice advances a rule of law under which individuals can control their destinies…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 203 contacts → | ||||
Exact match “For over 50 years, Milberg and its affiliates have been protecting victims’ rights and have recovered over $50 billion for our clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 198 contacts → | ||||
Exact match “Prairie State Legal Services (PSLS) is a nonprofit law firm, serving 36 counties throughout Northern and Central Illinois.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 188 contacts → | ||||
Exact match “Liebert Cassidy Whitmore serves as trusted advisors to public agencies, educational institutions, and nonprofits across California.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 185 contacts → | ||||
Exact match “Legal Aid Services of Oklahoma is a non-profit law firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 183 contacts → | ||||
Exact match “Public Counsel is a nonprofit public interest law firm dedicated to advancing civil rights and racial and economic justice, as well as to amplifying the power of our clients…” Recorded in the RevenueBase company graph · Sep 29, 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 “nonprofit advocacy law firms”. 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 2,050 nonprofit advocacy law firms based in the United States
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Nonprofit advocacy law firms based in the United States at a glance
As of Sep 29, 2026Companies by employee count
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 2,050 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 law firms” 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 23,043 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 29, 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.
Nonprofit advocacy law firms by metro
- Nonprofit advocacy law firms in Washington133
- Nonprofit advocacy law firms in New York84
- Nonprofit advocacy law firms in Chicago55
- Nonprofit advocacy law firms in Los Angeles46
- Nonprofit advocacy law firms in Denver36
- Nonprofit advocacy law firms in San Francisco34
- Nonprofit advocacy law firms in Atlanta30
- Nonprofit advocacy law firms in Sacramento29
- Nonprofit advocacy law firms in Dallas28
- Nonprofit advocacy law firms in Houston28
- Nonprofit advocacy law firms in San Diego28
- Nonprofit advocacy law firms in Boston26
- Nonprofit advocacy law firms in Minneapolis26
- Nonprofit advocacy law firms in Austin25
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 law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nonprofit advocacy law firms are there based in the United States?
RevenueBase identified 2,050 company matches for nonprofit advocacy law firms 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?
Morgan & Morgan, P.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most nonprofit advocacy law firms?
Washington leads with 133 company records, followed by New York (84) and Chicago (55).
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 23,043 professional contacts with verified work emails tracked across these 2,050 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,050 nonprofit advocacy law firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Nonprofit advocacy law firms by geography
- Nonprofit advocacy law firms based in Sao Paulo, Brazil
- Nonprofit advocacy law firms based in Toronto, Canada
- Nonprofit advocacy law firms based in Atlanta, United States
- Nonprofit advocacy law firms based in Austin, United States
- Nonprofit advocacy law firms based in Boston, United States
- Nonprofit advocacy law firms based in Chicago, United States
- Nonprofit advocacy law firms based in Dallas, United States
- Nonprofit advocacy law firms based in Denver, United States
- Nonprofit advocacy law firms based in Houston, United States
- Nonprofit advocacy law firms based in Los Angeles, United States
- Nonprofit advocacy law firms based in Minneapolis, United States
- Nonprofit advocacy law firms based in New York, 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
- Nonprofit advocacy law firms based in Sao Paulo, Brazil
- Nonprofit advocacy law firms based in Toronto, Canada
- Nonprofit advocacy law firms based in Atlanta, United States
- Nonprofit advocacy law firms based in Austin, United States
- Nonprofit advocacy law firms based in Boston, United States
- Nonprofit advocacy law firms based in Chicago, United States
Company intelligence · public preview
Top 25 nonprofit advocacy law firms based in the 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 2,050 matching company records for nonprofit advocacy law firms based in the United States, with 40,632 tracked contacts and 23,043 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 29, 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 nonprofit advocacy law firms based in the 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 |  Morgan & Morgan, P.Aforthepeople.comHQ: Orlando, FL, United StatesReported employees: 1,001-5,000 | Orlando, FL, United States | 1,001-5,000 | Exact match | 5,016 contacts → |
“John Morgan became a lawyer with a simple mission: To fight for the people, and not the powerful.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nelson Mullins Riley & Scarboroughnelsonmullins.comHQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 2,012 contacts → |
“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Taft Stettinius & Hollister LLPtaftlaw.comHQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 1,980 contacts → |
“At Taft, we work as one team, driven and committed to helping you succeed.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Venable LLPvenable.comHQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,790 contacts → |
“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ballard Spahr LLPballardspahr.comHQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 1,682 contacts → |
“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Saul Ewing LLPsaul.comHQ: Philadelphia, PA, United StatesReported employees: 501-1,000 | Philadelphia, PA, United States | 501-1,000 | Exact match | 916 contacts → |
“Inspired People.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Hall Booth Smith, P.Challboothsmith.comHQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 815 contacts → |
“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Adams & Reeseadamsandreese.comHQ: U.S., United StatesReported employees: 501-1,000 | U.S., United States | 501-1,000 | Exact match | 758 contacts → |
“At Adams & Reese, we take things personally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wiley Rein LLPwiley.lawHQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 576 contacts → |
“Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Singleton Schreiberlnk.bioHQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 343 contacts → |
“This page contains attorney advertising.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mcnees Wallace & Nurickmcneeslaw.comHQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 307 contacts → |
“Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Maryland Legal AIDmdlab.orgHQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 298 contacts → |
“Maryland Legal Aid (MLA) is a statewide private, nonprofit law firm that provides free, civil legal services to low-income and vulnerable people to address their most fundamental…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Glendale, CA, United StatesReported employees: 51-200 | Glendale, CA, United States | 51-200 | Exact match | 240 contacts → |
“Each year Neighborhood Legal Services of Los Angeles County (NLSLA) provides free assistance to more than individuals and families through innovative projects that expand access…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Keller And Heckman LLPkhlaw.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 230 contacts → |
“Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Modesto, CA, United StatesReported employees: 201-500 | Modesto, CA, United States | 201-500 | Exact match | 230 contacts → |
“California Rural Legal Assistance, Inc.(CRLA) is an anti-poverty law firm that dismantles unjust systems through community lawyering in California’s historically rural areas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Northwest Justice Projectnwjustice.orgHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 226 contacts → |
“As a dynamic statewide law firm, NJP pursues its mission through legal advice and representation, community partnerships, and education to empower clients and combat injustice in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Foster Swift Collins & Smith, PCfosterswift.comHQ: Lansing, MI, United StatesReported employees: 201-500 | Lansing, MI, United States | 201-500 | Exact match | 222 contacts → |
“Foster Swift has helped businesses, public entities, families, and individuals navigate legal challenges and discover opportunities across Michigan for more than 120 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Heplerbroom LLCheplerbroom.comHQ: Edwardsville, IL, United StatesReported employees: 201-500 | Edwardsville, IL, United States | 201-500 | Exact match | 217 contacts → |
“HeplerBroom LLC is committed to bringing Excellence, Results, and Integrity to everything we do.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Institute For Justiceij.orgHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 206 contacts → |
“Through strategic litigation, training, communication, activism and research, the Institute for Justice advances a rule of law under which individuals can control their destinies…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Milbergmilberg.comHQ: Puerto Rico, United StatesReported employees: 51-200 | Puerto Rico, United States | 51-200 | Exact match | 203 contacts → |
“For over 50 years, Milberg and its affiliates have been protecting victims’ rights and have recovered over $50 billion for our clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Prairie State Legal Services INCpslegal.orgHQ: Rockford, IL, United StatesReported employees: 51-200 | Rockford, IL, United States | 51-200 | Exact match | 198 contacts → |
“Prairie State Legal Services (PSLS) is a nonprofit law firm, serving 36 counties throughout Northern and Central Illinois.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Liebert Cassidy Whitmorelcwlegal.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 188 contacts → |
“Liebert Cassidy Whitmore serves as trusted advisors to public agencies, educational institutions, and nonprofits across California.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Legal AID Services Of Oklahomalegalaidok.orgHQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 185 contacts → |
“Legal Aid Services of Oklahoma is a non-profit law firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Public Counselpubliccounsel.orgHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 183 contacts → |
“Public Counsel is a nonprofit public interest law firm dedicated to advancing civil rights and racial and economic justice, as well as to amplifying the power of our clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,050 company matches
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Nonprofit advocacy law firms: dataset insights
September 29, 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
2,044 records in the displayed employee bands.
6 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 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 2,050 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 29, 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 ↗
Nonprofit advocacy law firms by metro
- Nonprofit advocacy law firms in Washington133
- Nonprofit advocacy law firms in New York84
- Nonprofit advocacy law firms in Chicago55
- Nonprofit advocacy law firms in Los Angeles46
- Nonprofit advocacy law firms in Denver36
- Nonprofit advocacy law firms in San Francisco34
- Nonprofit advocacy law firms in Atlanta30
- Nonprofit advocacy law firms in Sacramento29
- Nonprofit advocacy law firms in Dallas28
- Nonprofit advocacy law firms in Houston28
- Nonprofit advocacy law firms in San Diego28
- Nonprofit advocacy law firms in Boston26
- Nonprofit advocacy law firms in Minneapolis26
- Nonprofit advocacy law firms in Austin25
Questions about this company list
What does Exact match mean for nonprofit advocacy law firms?
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 nonprofit advocacy law firms did RevenueBase find based in the United States?
The saved snapshot records 2,050 matching company records, 40,632 tracked contacts and 23,043 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 29, 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
Nonprofit advocacy law firms by geography
- Nonprofit advocacy law firms based in Sao Paulo, Brazil
- Nonprofit advocacy law firms based in Toronto, Canada
- Nonprofit advocacy law firms based in Atlanta, United States
- Nonprofit advocacy law firms based in Austin, United States
- Nonprofit advocacy law firms based in Boston, United States
- Nonprofit advocacy law firms based in Chicago, United States
- Nonprofit advocacy law firms based in Dallas, United States
- Nonprofit advocacy law firms based in Denver, United States
- Nonprofit advocacy law firms based in Houston, United States
- Nonprofit advocacy law firms based in Los Angeles, United States
- Nonprofit advocacy law firms based in Minneapolis, United States
- Nonprofit advocacy law firms based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 nonprofit advocacy law firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/nonprofit-advocacy-law-firms/united-states.
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
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Company intelligence · public preview
Top 25 nonprofit advocacy law firms based in the United States
RevenueBase records 2,050 matching company records for nonprofit advocacy law firms based in the United States, with 40,632 tracked contacts and 23,043 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 29, 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 nonprofit advocacy law firms based in the 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 | Morgan & Morgan, P.Aforthepeople.com HQ: Orlando, FL, United StatesReported employees: 1,001-5,000 | Orlando, FL, United States | 1,001-5,000 | Exact match | 5,016 contacts → |
“John Morgan became a lawyer with a simple mission: To fight for the people, and not the powerful.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nelson Mullins Riley & Scarboroughnelsonmullins.com HQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 2,012 contacts → |
“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Taft Stettinius & Hollister LLPtaftlaw.com HQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 1,980 contacts → |
“At Taft, we work as one team, driven and committed to helping you succeed.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Venable LLPvenable.com HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,790 contacts → |
“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ballard Spahr LLPballardspahr.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 1,682 contacts → |
“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Saul Ewing LLPsaul.com HQ: Philadelphia, PA, United StatesReported employees: 501-1,000 | Philadelphia, PA, United States | 501-1,000 | Exact match | 916 contacts → |
“Inspired People.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hall Booth Smith, P.Challboothsmith.com HQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 815 contacts → |
“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Adams & Reeseadamsandreese.com HQ: U.S., United StatesReported employees: 501-1,000 | U.S., United States | 501-1,000 | Exact match | 758 contacts → |
“At Adams & Reese, we take things personally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wiley Rein LLPwiley.law HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 576 contacts → |
“Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Singleton Schreiberlnk.bio HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 343 contacts → |
“This page contains attorney advertising.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mcnees Wallace & Nurickmcneeslaw.com HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 307 contacts → |
“Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Maryland Legal AIDmdlab.org HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 298 contacts → |
“Maryland Legal Aid (MLA) is a statewide private, nonprofit law firm that provides free, civil legal services to low-income and vulnerable people to address their most fundamental…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Glendale, CA, United StatesReported employees: 51-200 | Glendale, CA, United States | 51-200 | Exact match | 240 contacts → |
“Each year Neighborhood Legal Services of Los Angeles County (NLSLA) provides free assistance to more than individuals and families through innovative projects that expand access…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Keller And Heckman LLPkhlaw.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 230 contacts → |
“Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Modesto, CA, United StatesReported employees: 201-500 | Modesto, CA, United States | 201-500 | Exact match | 230 contacts → |
“California Rural Legal Assistance, Inc.(CRLA) is an anti-poverty law firm that dismantles unjust systems through community lawyering in California’s historically rural areas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Northwest Justice Projectnwjustice.org HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 226 contacts → |
“As a dynamic statewide law firm, NJP pursues its mission through legal advice and representation, community partnerships, and education to empower clients and combat injustice in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Foster Swift Collins & Smith, PCfosterswift.com HQ: Lansing, MI, United StatesReported employees: 201-500 | Lansing, MI, United States | 201-500 | Exact match | 222 contacts → |
“Foster Swift has helped businesses, public entities, families, and individuals navigate legal challenges and discover opportunities across Michigan for more than 120 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Heplerbroom LLCheplerbroom.com HQ: Edwardsville, IL, United StatesReported employees: 201-500 | Edwardsville, IL, United States | 201-500 | Exact match | 217 contacts → |
“HeplerBroom LLC is committed to bringing Excellence, Results, and Integrity to everything we do.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Institute For Justiceij.org HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 206 contacts → |
“Through strategic litigation, training, communication, activism and research, the Institute for Justice advances a rule of law under which individuals can control their destinies…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Milbergmilberg.com HQ: Puerto Rico, United StatesReported employees: 51-200 | Puerto Rico, United States | 51-200 | Exact match | 203 contacts → |
“For over 50 years, Milberg and its affiliates have been protecting victims’ rights and have recovered over $50 billion for our clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Prairie State Legal Services INCpslegal.org HQ: Rockford, IL, United StatesReported employees: 51-200 | Rockford, IL, United States | 51-200 | Exact match | 198 contacts → |
“Prairie State Legal Services (PSLS) is a nonprofit law firm, serving 36 counties throughout Northern and Central Illinois.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Liebert Cassidy Whitmorelcwlegal.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 188 contacts → |
“Liebert Cassidy Whitmore serves as trusted advisors to public agencies, educational institutions, and nonprofits across California.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Legal AID Services Of Oklahomalegalaidok.org HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 185 contacts → |
“Legal Aid Services of Oklahoma is a non-profit law firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Public Counselpubliccounsel.org HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 183 contacts → |
“Public Counsel is a nonprofit public interest law firm dedicated to advancing civil rights and racial and economic justice, as well as to amplifying the power of our clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,050 company matches
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Nonprofit advocacy law firms: dataset insights
September 29, 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
2,044 records in the displayed employee bands.
6 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 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 2,050 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 29, 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 ↗
Nonprofit advocacy law firms by metro
- Nonprofit advocacy law firms in Washington133
- Nonprofit advocacy law firms in New York84
- Nonprofit advocacy law firms in Chicago55
- Nonprofit advocacy law firms in Los Angeles46
- Nonprofit advocacy law firms in Denver36
- Nonprofit advocacy law firms in San Francisco34
- Nonprofit advocacy law firms in Atlanta30
- Nonprofit advocacy law firms in Sacramento29
- Nonprofit advocacy law firms in Dallas28
- Nonprofit advocacy law firms in Houston28
- Nonprofit advocacy law firms in San Diego28
- Nonprofit advocacy law firms in Boston26
- Nonprofit advocacy law firms in Minneapolis26
- Nonprofit advocacy law firms in Austin25
Questions about this company list
What does Exact match mean for nonprofit advocacy law firms?
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 nonprofit advocacy law firms did RevenueBase find based in the United States?
The saved snapshot records 2,050 matching company records, 40,632 tracked contacts and 23,043 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 29, 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
Nonprofit advocacy law firms by geography
- Nonprofit advocacy law firms based in Sao Paulo, Brazil
- Nonprofit advocacy law firms based in Toronto, Canada
- Nonprofit advocacy law firms based in Atlanta, United States
- Nonprofit advocacy law firms based in Austin, United States
- Nonprofit advocacy law firms based in Boston, United States
- Nonprofit advocacy law firms based in Chicago, United States
- Nonprofit advocacy law firms based in Dallas, United States
- Nonprofit advocacy law firms based in Denver, United States
- Nonprofit advocacy law firms based in Houston, United States
- Nonprofit advocacy law firms based in Los Angeles, United States
- Nonprofit advocacy law firms based in Minneapolis, United States
- Nonprofit advocacy law firms based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 nonprofit advocacy law firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/nonprofit-advocacy-law-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Nonprofit advocacy law firms based in Sao Paulo, Brazil
- Nonprofit advocacy law firms based in Toronto, Canada
- Nonprofit advocacy law firms based in Atlanta, United States
- Nonprofit advocacy law firms based in Austin, United States
- Nonprofit advocacy law firms based in Boston, United States
- Nonprofit advocacy law firms based in Chicago, United States