Company lists · Data refreshed September 2026

Top 25 Union labor law firms based in Chicago, United States

Name: Union labor law firms based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 174 companies tracked

RevenueBase identified 174 company matches for union labor law firms associated with Chicago, United States as of September 2026 and tracks 4,426 professional contacts across them, including 2,136 with verified work emails. Across the United States, New York is the largest hub for this category (320 companies); Chicago has 174.

This list covers company matches for union labor law firms associated with Chicago, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built

174Companies

4,426Contacts tracked

2,136Verified emails

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The 25 largest union labor law firms based in Chicago, United States

Ranked by team size

Top 25 of 174 company matches for union labor law firms based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Amundsen Davis, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	542 contacts →
	Exact match “Amundsen Davis is a law firm comprised of over 250 attorneys headquartered in Chicago.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Litchfield Cavo LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	501-1,000	424 contacts →
	Exact match “Litchfield Cavo LLP began as a small firm of attorneys experienced in insurance and business defense matters.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Keller Postman LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	311 contacts →
	Exact match “Keller Postman LLC is a national law firm that represents a broad array of clients as plaintiffs in complex litigation at the trial and appellate levels.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Swanson, Martin & Bell, LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	254 contacts →
	Exact match “Swanson, Martin & Bell, LLP was founded in 1992 by a group of trial lawyers who left a large Chicago firm to better serve the needs of their clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Hennessy & Roach, P.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	171 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Wiedner & Mcauliffe, LTD	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	132 contacts →
	Exact match “Wiedner & McAuliffe is a Chicago-based workers’ compensation defense and civil litigation firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Bartlit Beck LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	130 contacts →
	Exact match “Delivering extraordinary results to leading companies and individuals in their most important matters.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Horwitz, Horwitz & Associates	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	92 contacts →
	Exact match “Since 1924, our family has continued a tradition begun by Jacob W.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Ankin LAW	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	85 contacts →
	Exact match “The Chicago injury lawyers at the Ankin Law, LLC are dedicated to helping victims recover for personal injury and workers compensation accidents.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Laner Muchin, LTD	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	79 contacts →
	Exact match “Laner Muchin Ltd.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Disparti LAW Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	75 contacts →
	Exact match “Larry Disparti, and the attorneys at the Disparti Law Group Accident & Injury Lawyers know how to win!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Franczek P.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	73 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Downey & Lenkov LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	68 contacts →
	Exact match “Downey & Lenkov LLC was founded in 2001 by professionals from large Chicago law firms who are committed to providing world-class service but prefer a mid-sized firm setting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Rusin Law, LTD	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	66 contacts →
	Exact match “We are a Chicago based law firm with our practice concentrated in the defense of Illinois workers' compensation cases.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Eimer Stahl LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	65 contacts →
	Exact match “Eimer Stahl is a boutique commercial litigation firm headquartered in Chicago, with offices in Madison, Silicon Valley, San Francisco, and Nashville.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Romanucci & Blandin, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	58 contacts →
	Exact match “Romanucci & Blandin, a Chicago-based personal injury and civil trial practice law firm, represents individuals and their families in catastrophic personal injury matters…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	GWC Injury Lawyers LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	56 contacts →
	Exact match “One of Illinois' Premier Personal Injury and Workers' Compensation Law Firms At GWC Injury Lawyers LLC, it is our mission to deliver the highest quality personal injury and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Anesi Ozmon, LTD	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	44 contacts →
	Exact match “The Law Office of Anesi Ozmon, Ltd.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Meckler Bulger Tilson Marick & Pearson LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	40 contacts →
	Exact match “Meckler Bulger Tilson Marick & Pearson LLP (MBT) is one of the nation's leading litigation law firms - with a prominent record of important legal victories on behalf of some of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Chilton Yambert & Porter LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	39 contacts →
	Exact match “Chilton Yambert & Porter LLP, established in January 1998, is a respected civil litigation firm with offices located in Illinois and Wisconsin.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Sperling & Slater, LLC	Exact match	Chicago, United StatesHQ recorded Sep 29, 2026	11-50	36 contacts →
	Exact match “Sperling & Slater has a nationwide and international practice focusing on complex commercial and business disputes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Neal & Leroy, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	35 contacts →
	Exact match “Founded in 1938, Neal & Leroy, LLC is a nationally recognized, elite boutique law firm providing the highest quality legal services to clients for more than 87 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Tribler Orpett & Meyer, P.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	35 contacts →
	Exact match “We are a client–focused civil litigation firm serving the insurance and business communities throughout the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Schuyler, Roche & Crisham, P.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	32 contacts →
	Exact match “Experienced Advocates and Counselors Fighting For Your Rights Inside and Outside the Courtroom Schuyler, Roche & Crisham helps clients in Chicago and around the globe achieve…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Ganan & Shapiro, P.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	31 contacts →
	Exact match “Ganan & Shapiro, P.C, a firm specializing in the area of employers’ liability, with a particular emphasis in the field of workers ’ compensation.” 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 “union labor 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 174 union labor law firms based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 2,136 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Union labor law firms based in Chicago, United States at a glance

As of Sep 29, 2026

48.3%Verified-email coverage

25.4Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

102

11-50

51-200

201-500

501-1,000

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 174 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 Chicago, United States whose business descriptions match “union labor 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 2,136 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.

Union labor law firms by metro in the United States

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 “union labor law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many union labor law firms are there based in Chicago, United States?

RevenueBase identified 174 company matches for union labor law firms associated with Chicago, 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?

Amundsen Davis, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most union labor law firms?

New York leads the United States with 320 company records, followed by Los Angeles (264) and Chicago (174).

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 2,136 professional contacts with verified work emails tracked across these 174 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.

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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.