Company lists · Data refreshed September 2026

Top 25 Non-profit law firms based in Chicago, United States

RevenueBase identified 112 non-profit law firms headquartered in Chicago, United States as of September 2026 and tracks 2,288 professional contacts across them, including 1,002 with verified work emails. New York is the largest hub.

This list covers non-profit law firms headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review
112Companies
2,288Contacts tracked
1,002Verified emails
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The 25 largest non-profit law firms based in Chicago, United States

Ranked by team size
Top 25 of 112 non-profit law firms based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to non-profit law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 2026201-500353 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 14, 2026
2Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-200125 contacts →

Partial evidence

“EDELSON PC is a law firm concentrating on high-stake’s plaintiff’s work ranging from class and mass actions to public client investigations and prosecutions.”

Source: RevenueBase Database · checked Sep 14, 2026
3Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-200102 contacts →

Indirect evidence

“Since its founding in 1929, Masuda Funai has focused its practice on successfully representing international and domestic companies entering, operating and expanding in the United…”

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-20077 contacts →

Indirect evidence

“Applegate & Thorne-Thomsen’s practice was formed in 1998 through years of representing developers, tax credit syndicators, investors, lenders, public housing authorities and…”

Source: RevenueBase Database · checked Sep 14, 2026
5Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-20069 contacts →

Indirect evidence

“We are a team of problem solvers.”

Source: RevenueBase Database · checked Sep 14, 2026
6Strong evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-20058 contacts →

Strong evidence

“Kempster, Corcoran, Quiceno & Lenz-Calvo is a law practice based in downtown Chicago offering comprehensive professional legal services to corporations, universities, small…”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5058 contacts →

Indirect evidence

“About Us With more than 59 years of experience, CVLS is the first and pre-eminent pro bono civil legal aid provider in Chicago.”

Source: RevenueBase Database · checked Sep 14, 2026
8Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5049 contacts →

Indirect evidence

“Greater Chicago Legal Clinic attorneys are passionate, community-based advocates who are devoted to helping underrepresented families and individuals navigate the justice system.”

Source: RevenueBase Database · checked Sep 14, 2026
9Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5040 contacts →

Partial evidence

“The Center for Disability & Elder Law (CDEL) was founded to provide legal services to low income residents of Cook County, Illinois who are either elderly or who have permanent…”

Source: RevenueBase Database · checked Sep 14, 2026
10Partial evidenceChicago, United StatesHQ checked Sep 14, 20261,001-5,00039 contacts →

Partial evidence

“We are a different kind of law firm.”

Source: RevenueBase Database · checked Sep 14, 2026
11Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5038 contacts →

Indirect evidence

“At Hoogendoorn & Talbot LLP, we focus on helping individuals, families, businesses, and charities resolve their legal issues in a timely and efficient manner.”

Source: RevenueBase Database · checked Sep 14, 2026
12Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5037 contacts →

Partial evidence

Law Center for Better Housing (LCBH) is recognized as a leading public interest law firm specializing in housing law and policy.”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-20035 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
14Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5029 contacts →

Partial evidence

“A high-powered law firm for savvy companies, Massey & Gail offers creative solutions in counseling, litigation and appeals.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5028 contacts →

Partial evidence

“Founded in 1993 by several attorneys previously affiliated with a large Chicago law firm, Hogan Marren, Ltd.”

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 20261-1026 contacts →

Indirect evidence

“As of July 2022, Shepard Schwartz & Harris LLP joined Citrin Cooperman.”

Source: RevenueBase Database · checked Sep 14, 2026
17Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5022 contacts →

Indirect evidence

“Paladin's mission is to increase access to justice by helping legal teams run more efficient pro bono programs.”

Source: RevenueBase Database · checked Sep 14, 2026
18Strong evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5021 contacts →

Strong evidence

“Founded in 1971, MBG represents a broad range of individual, government, non-profit and corporate clients with offices in Chicago, Ill, and Madison, Wis.”

Source: RevenueBase Database · checked Sep 14, 2026
19Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 20261-1017 contacts →

Indirect evidence

“Mission Statement: PILI engages, inspires and empowers those advancing equal access to justice.”

Source: RevenueBase Database · checked Sep 14, 2026
20Indirect evidenceChicago, IL, United StatesHQ checked Sep 14, 20261-1016 contacts →

Indirect evidence

“Wagenmaker & Oberly, LLC provides a broad spectrum of legal services to nonprofit organizations and others within the philanthropic sector.”

Source: RevenueBase Database · checked Sep 14, 2026
21Strong evidenceChicago, IL, United StatesHQ checked Sep 14, 202651-20016 contacts →

Strong evidence

“The Thomas More Society is a not-for-profit, national public interest law firm dedicated to restoring respect in law for life, family, and religious liberty.”

Source: RevenueBase Database · checked Sep 14, 2026
22Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5011 contacts →

Partial evidence

“The Law Offices of Marc J.”

Source: RevenueBase Database · checked Sep 14, 2026
23Strong evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5010 contacts →

Strong evidence

“Chicago Law Partners, LLC is a boutique law firm focused primarily on representing trade associations, professional societies, foundations, other types of not-for-profit…”

Source: RevenueBase Database · checked Sep 14, 2026
24Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 202611-5010 contacts →

Partial evidence

“Leinenweber Daffada & Sansonetti LLC is a full-service law firm that represents public and private sector clients.”

Source: RevenueBase Database · checked Sep 14, 2026
25Partial evidenceChicago, IL, United StatesHQ checked Sep 14, 20261-109 contacts →

Partial evidence

“Laduzinsky & Associates is a full-service law firm dedicated to providing legal services in a direct, efficient, and effective manner.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 112 non-profit law firms based in Chicago, United States

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

As of Sep 14, 2026
43.8%Verified-email coverage
20.4Average contacts per company
1-10Median size (employees)
150.0%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
77
11-50
23
51-200
8
201-500
2
1,001-5,000
2

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 112 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among non-profit law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Chicago, United States whose own description of what they do matches “non-profit law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names non-profit law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among non-profit law firms, and records with no verified work email. Companies headquartered outside Chicago are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,002 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names non-profit law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 112 non-profit law firms headquartered in Chicago, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Neal, Gerber & Eisenberg LLP, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most non-profit law firms?

New York leads with 168 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 1,002 verified decision-maker contacts tracked across these 112 companies.

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 Smart Search, 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.