Company lists · Data refreshed September 2026

Top 25 Non-profit law firms based in the United States

RevenueBase identified 4,721 company matches for non-profit law firms associated with the United States as of September 2026 and tracks 81,856 professional contacts across them, including 40,452 with verified work emails. New York is the largest hub.

This list covers company matches for non-profit 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 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 14, 2026 How this list was built
4,721Companies
81,856Contacts tracked
40,452Verified emails
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The 25 largest non-profit law firms based in the United States

Ranked by team size
Top 25 of 4,721 company matches for non-profit law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 14, 20261,001-5,0002,041 contacts →

Exact match

“Dechert is the law firm that helps business leaders lead.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchColumbia, SC, United StatesHQ recorded Sep 14, 20261,001-5,0002,012 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 14, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 14, 20261,001-5,0001,790 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 14, 2026 · View company records in RevenueBase
4Exact matchCincinnati, OH, United StatesHQ recorded Sep 14, 20261,001-5,0001,720 contacts →

Exact match

“Dinsmore & Shohl LLP has a nationwide team of more than 750 attorneys who are trusted advisers to Fortune 500 companies, institutions, associations, governments, professional…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 14, 20261,001-5,0001,682 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 14, 2026 · View company records in RevenueBase
6Exact matchDetroit, MI, United StatesHQ recorded Sep 14, 20261,001-5,0001,343 contacts →

Exact match

“At Clark Hill, our value proposition is simple.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchMilwaukee, WI, United StatesHQ recorded Sep 14, 20261,001-5,0001,318 contacts →

Exact match

“For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact match500 Attorneys. 17 Locations Nationwide., MN, United StatesHQ recorded Sep 14, 2026501-1,0001,167 contacts →

Exact match

“Stinson LLP collaborates with clients ranging from individuals and privately held enterprises to national companies and international public corporations.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Sep 14, 2026501-1,0001,085 contacts →

Exact match

“Forget everything you thought you knew about professional services firms.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchDallas, TX, United StatesHQ recorded Sep 14, 2026501-1,000968 contacts →

Exact match

“Jackson Walker is a Texas-based law firm with a national presence and global reach.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 14, 2026501-1,000916 contacts →

Exact match

“Inspired People.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchDenver, CO, United StatesHQ recorded Sep 14, 2026501-1,000902 contacts →

Exact match

“For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchAtlanta, GA, United StatesHQ recorded Sep 14, 2026501-1,000815 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 14, 2026 · View company records in RevenueBase
14Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 14, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchU.S., United StatesHQ recorded Sep 14, 2026501-1,000758 contacts →

Exact match

“At Adams & Reese, we take things personally.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchOrlando, FL, United StatesHQ recorded Sep 14, 2026501-1,000672 contacts →

Exact match

“GrayRobinson is a multidimensional team of attorneys, advisors, and consultants recognized as one of the most influential firms in Florida.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchCharlotte, NC, United StatesHQ recorded Sep 14, 2026501-1,000584 contacts →

Exact match

“Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 14, 2026501-1,000576 contacts →

Exact match

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchMilwaukee, WI, United StatesHQ recorded Sep 14, 2026201-500482 contacts →

Exact match

“At Reinhart Boerner Van Deuren, we know that every trusted relationship begins with understanding.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 14, 2026201-500444 contacts →

Exact match

“New York Legal Assistance Group (NYLAG) is a leading civil legal services organization combatting economic, racial, and social injustices by advocating for people experiencing…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchLouisville, KY, United StatesHQ recorded Sep 14, 2026201-500426 contacts →

Exact match

“A full-service law firm representing clients across the United States and internationally, Stites & Harbison, PLLC is known as a preeminent firm managing sophisticated…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchTukwila, WA, United StatesHQ recorded Sep 14, 2026501-1,000388 contacts →

Exact match

“Alexandra Lozano Immigration Law transforms the lives of immigrants and their families!”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 14, 2026201-500386 contacts →

Exact match

“We're an award-winning, midsized law firm that brings BigLaw insights and talent and marries it with collaboration and value beyond the numbers.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 14, 2026501-1,000378 contacts →

Exact match

“Legal Services NYC fights poverty and seeks justice for low-income New Yorkers.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchChicago, IL, United StatesHQ recorded Sep 14, 2026201-500353 contacts →

Exact match

“Neal Gerber Eisenberg is a Chicago-based law firm whose attorneys share a culture of teamwork and devotion to personalized client service to advance our clients’ business…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 4,721 non-profit law firms based in the United States

See the full list, filter by size, metro and specialty, and access 40,452 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Non-profit law firms based in the United States at a glance

As of Sep 14, 2026
49.4%Verified-email coverage
17.3Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
3,153
11-50
1,133
51-200
337
201-500
45
501-1,000
19
1,001-5,000
11

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 4,721 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 “non-profit 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 40,452 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 14, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “non-profit law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many non-profit law firms are there based in the United States?

RevenueBase identified 4,721 company matches for non-profit 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?

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

Which city has the most non-profit law firms?

New York leads with 170 company records, followed by Washington (126) and Chicago (112).

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 40,452 professional contacts with verified work emails tracked across these 4,721 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 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.