Company lists · Data refreshed September 2026
Top 25 501c3 law firms based in the United States
RevenueBase identified 1,148 company matches for 501c3 law firms associated with the United States as of September 2026 and tracks 12,824 professional contacts across them, including 6,476 with verified work emails. New York is the largest hub.
This list covers company matches for 501c3 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 27, 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 501c3 law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 27, 2026 · View company records in RevenueBase | |||||
| 2 | 482 contacts → | ||||
Exact match “At Reinhart Boerner Van Deuren, we know that every trusted relationship begins with understanding.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 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 27, 2026 · View company records in RevenueBase | |||||
| 4 | 288 contacts → | ||||
Exact match “Since 1938, Connell Foley LLP has been unwavering in its commitment to meeting the needs of clients, employees, and the community while maintaining the highest ethical standards…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 273 contacts → | ||||
Exact match “Chisholm Chisholm & Kilpatrick LTD is a law firm offering an array of highly effective services tailored to clients’ needs in the areas of Veterans Law, Long-Term Disability &…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 262 contacts → | ||||
Exact match “As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 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 27, 2026 · View company records in RevenueBase | |||||
| 8 | 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 27, 2026 · View company records in RevenueBase | |||||
| 9 | 185 contacts → | ||||
Exact match “Legal Aid Services of Oklahoma is a non-profit law firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 179 contacts → | ||||
Exact match “Bay Area Legal Aid (BayLegal) ensures fairness in the civil justice system for the most vulnerable members of our community.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 142 contacts → | ||||
Exact match “Established in 1958, Legal Aid Center of Southern Nevada is a private, non-profit, 501(c)(3) organization that ensures equal access to justice through free legal advice and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 136 contacts → | ||||
Exact match “For one hundred years, Best & Flanagan attorneys have been building uniquely close relationships with our clients, including closely-held businesses, nonprofits, generations of…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 136 contacts → | ||||
Exact match “Mid-Minnesota Legal Aid (MMLA) is a nonprofit law firm, providing free legal advice and representation on civil law matters to people of limited income, people with disabilities…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 133 contacts → | ||||
Exact match “Lakeshore Legal Aid (LLA) is a not-for-profit law firm providing a range of free civil legal services to low-income people, seniors, and survivors of domestic violence and sexual…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 130 contacts → | ||||
Exact match “Community Legal Services (CLS) has approximately 110 lawyers, advocates, and support staff working to provide civil legal aid for low to moderate income residents in Central…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 122 contacts → | ||||
Exact match “Founded in 1844, Eastman & Smith is a leading consultant, counselor and advocate on personal, business, nonprofit and governmental challenges.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 118 contacts → | ||||
Exact match “COLEMAN, CHAVEZ, & ASSOCIATES LLP is a legal services company based out of 1731 E.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 118 contacts → | ||||
Exact match “Established in 1912 and serving more than individuals annually, the Legal Aid Bureau of Buffalo is the largest and oldest provider of indigent legal services in Western New York.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 115 contacts → | ||||
Exact match “Legal Services Alabama (LSA) serves low-income people by providing civil legal aid and by promoting collaboration to find solutions to problems of poverty from eight offices…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 112 contacts → | ||||
Exact match “Bay Area Legal Services is a nonprofit, public interest law firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 111 contacts → | ||||
Exact match “Halloran Sage provides responsive legal counsel to client needs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 108 contacts → | ||||
Exact match “Experienced, dedicated, and thoughtful legal counsel for over four decades has made us one of the largest law firms in the state of Oklahoma.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 106 contacts → | ||||
Exact match “Legal Services of North Florida (LSNF) is a private non-profit corporation dedicated to providing free legal representation to low income people with civil legal problems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 99 contacts → | ||||
Exact match “Legal Aid is a non-profit law firm serving Ohioans in Columbiana, Mahoning, Medina, Portage, Stark, Summit, Trumbull, and Wayne Counties.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 98 contacts → | ||||
Exact match “We are down-to-earth professionals who successfully combine the diverse disciplines and skills of a large firm with the accessibility and personalized manner of a small firm.” Recorded in the RevenueBase company graph · Sep 27, 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 “501c3 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 1,148 501c3 law firms based in the United States
See the full list, filter by size, metro and specialty, and access 6,476 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
501c3 law firms based in the United States at a glance
As of Sep 27, 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 1,148 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 “501c3 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 6,476 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 27, 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.
501c3 law firms by metro
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 “501c3 law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many 501c3 law firms are there based in the United States?
RevenueBase identified 1,148 company matches for 501c3 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?
Nelson Mullins Riley & Scarborough tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most 501c3 law firms?
New York leads with 36 company records, followed by Washington (32) and Chicago (22).
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 6,476 professional contacts with verified work emails tracked across these 1,148 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,148 501c3 law firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
501c3 law firms by geography
- 501c3 law firms based in Sao Paulo, Brazil
- 501c3 law firms based in New York, United States
- 501c3 law firms based in Washington, United States
- 501c3 law firms based in Brazil
- 501c3 law firms based in Canada
- 501c3 law firms based in France
- 501c3 law firms based in Germany
- 501c3 law firms based in Italy
- 501c3 law firms based in the United Kingdom
Browse the directory
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
Company intelligence · public preview
Top 25 501c3 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 1,148 matching company records for 501c3 law firms based in the United States, with 12,824 tracked contacts and 6,476 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 27, 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 501c3 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 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Reinhart Boerner VAN Deuren S.Creinhartlaw.comHQ: Milwaukee, WI, United StatesReported employees: 201-500 | Milwaukee, WI, United States | 201-500 | Exact match | 482 contacts → |
“At Reinhart Boerner Van Deuren, we know that every trusted relationship begins with understanding.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Connell Foley LLPconnellfoley.comHQ: Roseland, NJ, United StatesReported employees: 201-500 | Roseland, NJ, United States | 201-500 | Exact match | 288 contacts → |
“Since 1938, Connell Foley LLP has been unwavering in its commitment to meeting the needs of clients, employees, and the community while maintaining the highest ethical standards…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Chisholm Chisholm & Kilpatrick LTDcck-law.comHQ: Providence, RI, United StatesReported employees: 201-500 | Providence, RI, United States | 201-500 | Exact match | 273 contacts → |
“Chisholm Chisholm & Kilpatrick LTD is a law firm offering an array of highly effective services tailored to clients’ needs in the areas of Veterans Law, Long-Term Disability &…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Capincrousecapincrouse.comHQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 262 contacts → |
“As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  BAY Area Legal AIDbaylegal.orgHQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 179 contacts → |
“Bay Area Legal Aid (BayLegal) ensures fairness in the civil justice system for the most vulnerable members of our community.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Legal AID Center Of Southern Nevadalacsn.orgHQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 142 contacts → |
“Established in 1958, Legal Aid Center of Southern Nevada is a private, non-profit, 501(c)(3) organization that ensures equal access to justice through free legal advice and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Best & Flanaganbestlaw.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 136 contacts → |
“For one hundred years, Best & Flanagan attorneys have been building uniquely close relationships with our clients, including closely-held businesses, nonprofits, generations of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mid-Minnesota Legal AIDmylegalaid.orgHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 136 contacts → |
“Mid-Minnesota Legal Aid (MMLA) is a nonprofit law firm, providing free legal advice and representation on civil law matters to people of limited income, people with disabilities…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lakeshore Legal AIDlakeshorelegalaid.org HQ: Warren, MI, United StatesReported employees: 51-200 | Warren, MI, United States | 51-200 | Exact match | 133 contacts → |
“Lakeshore Legal Aid (LLA) is a not-for-profit law firm providing a range of free civil legal services to low-income people, seniors, and survivors of domestic violence and sexual…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Community Legal Serviceslegalaccessforall.orgHQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 130 contacts → |
“Community Legal Services (CLS) has approximately 110 lawyers, advocates, and support staff working to provide civil legal aid for low to moderate income residents in Central…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Eastman & Smith LTDeastmansmith.comHQ: Serving Clients Throughout The Midwest And Beyond..., OH, United StatesReported employees: 51-200 | Serving Clients Throughout The Midwest And Beyond..., OH, United States | 51-200 | Exact match | 122 contacts → |
“Founded in 1844, Eastman & Smith is a leading consultant, counselor and advocate on personal, business, nonprofit and governmental challenges.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Coleman, Chavez, & Associates LLPcca-law.comHQ: Roseville, CA, United StatesReported employees: 51-200 | Roseville, CA, United States | 51-200 | Exact match | 118 contacts → |
“COLEMAN, CHAVEZ, & ASSOCIATES LLP is a legal services company based out of 1731 E.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Legal AID Bureau Of Buffalo, INClegalaidbuffalo.orgHQ: Buffalo, NY, United StatesReported employees: 51-200 | Buffalo, NY, United States | 51-200 | Exact match | 118 contacts → |
“Established in 1912 and serving more than individuals annually, the Legal Aid Bureau of Buffalo is the largest and oldest provider of indigent legal services in Western New York.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Legal Services Alabamalegalservicesalabama.org HQ: Montgomery, AL, United StatesReported employees: 51-200 | Montgomery, AL, United States | 51-200 | Exact match | 115 contacts → |
“Legal Services Alabama (LSA) serves low-income people by providing civil legal aid and by promoting collaboration to find solutions to problems of poverty from eight offices…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  BAY Area Legal Servicesbals.orgHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 112 contacts → |
“Bay Area Legal Services is a nonprofit, public interest law firm.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Halloran Sagehalloransage.comHQ: Hartford, CT, United StatesReported employees: 51-200 | Hartford, CT, United States | 51-200 | Exact match | 111 contacts → |
“Halloran Sage provides responsive legal counsel to client needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Riggs Abney Neal Turpen Orbison & Lewis LAW Firmriggsabney.comHQ: Tulsa, OK, United StatesReported employees: 201-500 | Tulsa, OK, United States | 201-500 | Exact match | 108 contacts → |
“Experienced, dedicated, and thoughtful legal counsel for over four decades has made us one of the largest law firms in the state of Oklahoma.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Legal Services Of North Floridalsnf.orgHQ: Tallahassee, FL, United StatesReported employees: 51-200 | Tallahassee, FL, United States | 51-200 | Exact match | 106 contacts → |
“Legal Services of North Florida (LSNF) is a private non-profit corporation dedicated to providing free legal representation to low income people with civil legal problems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Community Legal AIDcommunitylegalaid.orgHQ: Akron, OH, United StatesReported employees: 51-200 | Akron, OH, United States | 51-200 | Exact match | 99 contacts → |
“Legal Aid is a non-profit law firm serving Ohioans in Columbiana, Mahoning, Medina, Portage, Stark, Summit, Trumbull, and Wayne Counties.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Knox Mclaughlin Gornall & Sennett, P.Ckmgslaw.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 98 contacts → |
“We are down-to-earth professionals who successfully combine the diverse disciplines and skills of a large firm with the accessibility and personalized manner of a small firm.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,148 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
501c3 law firms: dataset insights
September 27, 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
1,146 records in the displayed employee bands.
2 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 1,148 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 27, 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 ↗
501c3 law firms by metro
Questions about this company list
What does Exact match mean for 501c3 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 501c3 law firms did RevenueBase find based in the United States?
The saved snapshot records 1,148 matching company records, 12,824 tracked contacts and 6,476 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 27, 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
501c3 law firms by geography
- 501c3 law firms based in Sao Paulo, Brazil
- 501c3 law firms based in New York, United States
- 501c3 law firms based in Washington, United States
- 501c3 law firms based in Brazil
- 501c3 law firms based in Canada
- 501c3 law firms based in France
- 501c3 law firms based in Germany
- 501c3 law firms based in Italy
- 501c3 law firms based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 501c3 law firms based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/501c3-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
Company intelligence · public preview
Top 25 501c3 law firms based in the United States
RevenueBase records 1,148 matching company records for 501c3 law firms based in the United States, with 12,824 tracked contacts and 6,476 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 27, 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 501c3 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 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Reinhart Boerner VAN Deuren S.Creinhartlaw.com HQ: Milwaukee, WI, United StatesReported employees: 201-500 | Milwaukee, WI, United States | 201-500 | Exact match | 482 contacts → |
“At Reinhart Boerner Van Deuren, we know that every trusted relationship begins with understanding.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Connell Foley LLPconnellfoley.com HQ: Roseland, NJ, United StatesReported employees: 201-500 | Roseland, NJ, United States | 201-500 | Exact match | 288 contacts → |
“Since 1938, Connell Foley LLP has been unwavering in its commitment to meeting the needs of clients, employees, and the community while maintaining the highest ethical standards…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Chisholm Chisholm & Kilpatrick LTDcck-law.com HQ: Providence, RI, United StatesReported employees: 201-500 | Providence, RI, United States | 201-500 | Exact match | 273 contacts → |
“Chisholm Chisholm & Kilpatrick LTD is a law firm offering an array of highly effective services tailored to clients’ needs in the areas of Veterans Law, Long-Term Disability &…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Capincrousecapincrouse.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 262 contacts → |
“As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | BAY Area Legal AIDbaylegal.org HQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 179 contacts → |
“Bay Area Legal Aid (BayLegal) ensures fairness in the civil justice system for the most vulnerable members of our community.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Legal AID Center Of Southern Nevadalacsn.org HQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 142 contacts → |
“Established in 1958, Legal Aid Center of Southern Nevada is a private, non-profit, 501(c)(3) organization that ensures equal access to justice through free legal advice and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Best & Flanaganbestlaw.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 136 contacts → |
“For one hundred years, Best & Flanagan attorneys have been building uniquely close relationships with our clients, including closely-held businesses, nonprofits, generations of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mid-Minnesota Legal AIDmylegalaid.org HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 136 contacts → |
“Mid-Minnesota Legal Aid (MMLA) is a nonprofit law firm, providing free legal advice and representation on civil law matters to people of limited income, people with disabilities…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lakeshore Legal AIDlakeshorelegalaid.org HQ: Warren, MI, United StatesReported employees: 51-200 | Warren, MI, United States | 51-200 | Exact match | 133 contacts → |
“Lakeshore Legal Aid (LLA) is a not-for-profit law firm providing a range of free civil legal services to low-income people, seniors, and survivors of domestic violence and sexual…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Community Legal Serviceslegalaccessforall.org HQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 130 contacts → |
“Community Legal Services (CLS) has approximately 110 lawyers, advocates, and support staff working to provide civil legal aid for low to moderate income residents in Central…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Eastman & Smith LTDeastmansmith.com HQ: Serving Clients Throughout The Midwest And Beyond..., OH, United StatesReported employees: 51-200 | Serving Clients Throughout The Midwest And Beyond..., OH, United States | 51-200 | Exact match | 122 contacts → |
“Founded in 1844, Eastman & Smith is a leading consultant, counselor and advocate on personal, business, nonprofit and governmental challenges.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Coleman, Chavez, & Associates LLPcca-law.com HQ: Roseville, CA, United StatesReported employees: 51-200 | Roseville, CA, United States | 51-200 | Exact match | 118 contacts → |
“COLEMAN, CHAVEZ, & ASSOCIATES LLP is a legal services company based out of 1731 E.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Legal AID Bureau Of Buffalo, INClegalaidbuffalo.org HQ: Buffalo, NY, United StatesReported employees: 51-200 | Buffalo, NY, United States | 51-200 | Exact match | 118 contacts → |
“Established in 1912 and serving more than individuals annually, the Legal Aid Bureau of Buffalo is the largest and oldest provider of indigent legal services in Western New York.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Legal Services Alabamalegalservicesalabama.org HQ: Montgomery, AL, United StatesReported employees: 51-200 | Montgomery, AL, United States | 51-200 | Exact match | 115 contacts → |
“Legal Services Alabama (LSA) serves low-income people by providing civil legal aid and by promoting collaboration to find solutions to problems of poverty from eight offices…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | BAY Area Legal Servicesbals.org HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 112 contacts → |
“Bay Area Legal Services is a nonprofit, public interest law firm.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Halloran Sagehalloransage.com HQ: Hartford, CT, United StatesReported employees: 51-200 | Hartford, CT, United States | 51-200 | Exact match | 111 contacts → |
“Halloran Sage provides responsive legal counsel to client needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Riggs Abney Neal Turpen Orbison & Lewis LAW Firmriggsabney.com HQ: Tulsa, OK, United StatesReported employees: 201-500 | Tulsa, OK, United States | 201-500 | Exact match | 108 contacts → |
“Experienced, dedicated, and thoughtful legal counsel for over four decades has made us one of the largest law firms in the state of Oklahoma.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Legal Services Of North Floridalsnf.org HQ: Tallahassee, FL, United StatesReported employees: 51-200 | Tallahassee, FL, United States | 51-200 | Exact match | 106 contacts → |
“Legal Services of North Florida (LSNF) is a private non-profit corporation dedicated to providing free legal representation to low income people with civil legal problems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Community Legal AIDcommunitylegalaid.org HQ: Akron, OH, United StatesReported employees: 51-200 | Akron, OH, United States | 51-200 | Exact match | 99 contacts → |
“Legal Aid is a non-profit law firm serving Ohioans in Columbiana, Mahoning, Medina, Portage, Stark, Summit, Trumbull, and Wayne Counties.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Knox Mclaughlin Gornall & Sennett, P.Ckmgslaw.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 98 contacts → |
“We are down-to-earth professionals who successfully combine the diverse disciplines and skills of a large firm with the accessibility and personalized manner of a small firm.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,148 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
501c3 law firms: dataset insights
September 27, 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
1,146 records in the displayed employee bands.
2 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 1,148 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 27, 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 ↗
501c3 law firms by metro
Questions about this company list
What does Exact match mean for 501c3 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 501c3 law firms did RevenueBase find based in the United States?
The saved snapshot records 1,148 matching company records, 12,824 tracked contacts and 6,476 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 27, 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
501c3 law firms by geography
- 501c3 law firms based in Sao Paulo, Brazil
- 501c3 law firms based in New York, United States
- 501c3 law firms based in Washington, United States
- 501c3 law firms based in Brazil
- 501c3 law firms based in Canada
- 501c3 law firms based in France
- 501c3 law firms based in Germany
- 501c3 law firms based in Italy
- 501c3 law firms based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 501c3 law firms based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/501c3-law-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗