Company lists · Data refreshed September 2026

Top 25 Labor certification law firms based in the United States

Name: Labor certification law firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 3,595 companies tracked

RevenueBase identified 3,595 company matches for labor certification law firms associated with the United States as of September 2026 and tracks 40,991 professional contacts across them, including 19,686 with verified work emails. New York is the largest hub.

This list covers company matches for labor certification 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 28, 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 28, 2026 How this list was built

3,595Companies

40,991Contacts tracked

19,686Verified emails

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The 25 largest labor certification law firms based in the United States

Ranked by team size

Top 25 of 3,595 company matches for labor certification law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Fragomen	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,245 contacts →
	Exact match “Fragomen is the leading global immigration services firm worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Ogletree Deakins	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,708 contacts →
	Exact match “Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Jackson Lewis P.C	Exact match	New York, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,285 contacts →
	Exact match “Focused on employment and labor law since 1958, Jackson Lewis P.C.’s attorneys located in major cities nationwide consistently identify and respond to new ways workplace law…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	BAL	Exact match	Richardson, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,130 contacts →
	Exact match “BAL is a corporate immigration law firm that powers human achievement through immigration expertise, people-centered client services and innovative technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Lisinski LAW Firm	Exact match	Dublin, OH, United StatesHQ recorded Sep 28, 2026	1,001-5,000	814 contacts →
	Exact match “We are one of the nation’s most experienced law firms dedicated to delivering strategic immigration solutions-especially in complex and high-stakes cases-so our clients can move…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Fordharrison LLP	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	746 contacts →
	Exact match “FordHarrison LLP - your partner in employment law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Alonso & Alonso Attorneys At Law, Pllc	Exact match	San Antonio, TX, United StatesHQ recorded Sep 28, 2026	201-500	658 contacts →
	Exact match “Alonso & Alonso is a distinguished immigration law firm with a rich history of providing expert legal services in navigating the complexities of the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	The United Firm LA Liga Defensora, APC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	518 contacts →
	Exact match “The United Firm \| La Liga Defensora, A.P.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Constangy	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	429 contacts →
	Exact match “Constangy, Brooks, Smith & Prophete has more than 250 attorneys across 21 states and the District of Columbia, offering services including the defense of single and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Colombo & Hurd	Exact match	Orlando, FL, United StatesHQ recorded Sep 28, 2026	201-500	377 contacts →
	Exact match “At Colombo & Hurd, we help professionals, founders, and investors build their future in the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Boundless Immigration	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	201-500	335 contacts →
	Exact match “Boundless is a U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	The Mendoza LAW Firm	Exact match	D.c, United StatesHQ recorded Sep 28, 2026	201-500	305 contacts →
	Exact match “The Mendoza Law Firm, LLC, is a US-based law firm dedicated to helping immigrants obtain work permits and permanent legal residences on American soil.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Kitch Attorneys & Counselors, PC	Exact match	Detroit, MI, United StatesHQ recorded Sep 28, 2026	51-200	249 contacts →
	Exact match “The firm was co-founded in 1969 by Richard Kitch and Richard F.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Ellis Porter	Exact match	Troy, MI, United StatesHQ recorded Sep 28, 2026	201-500	235 contacts →
	Exact match “Ellis Porter is a law firm focused on managing the immigration experience for employers and individuals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Quiroga LAW Office, Pllc	Exact match	Spokane Valley, WA, United StatesHQ recorded Sep 28, 2026	n/a	232 contacts →
	Exact match “Eastern Washington law firm devoted to helping and protecting immigrants.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	WR Immigration	Exact match	Santa Monica, NY, United StatesHQ recorded Sep 28, 2026	51-200	190 contacts →
	Exact match “WR Immigration is a leading global immigration law firm delivering innovative technology, high-touch legal services, and consistent, flawless execution.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	LAW Offices Of Manuel Solis	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	n/a	182 contacts →
	Exact match “Manuel Solis Law Firm focuses on helping immigrants become U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	LAW Office Of Robert B. Jobe	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	n/a	166 contacts →
	Exact match “The Law Office of Robert B.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Foster LLP	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	139 contacts →
	Exact match “Foster is a leading global immigration law firm dedicated to helping employers and individuals obtain nonimmigrant and immigrant work visas and permanent resident options…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Murray Osorio Pllc	Exact match	Fairfax, VA, United StatesHQ recorded Sep 28, 2026	51-200	127 contacts →
	Exact match “At Murray Osorio PLLC, our mission as a national full-service immigration law firm is to provide superior legal services across the breadth of immigration law throughout the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Klasko Immigration LAW Partners, LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	121 contacts →
	Exact match “Klasko Immigration Law Partners, LLP is nationally renowned for providing creative solutions to many of the most complex issues in immigration law to multinational corporations…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Raju LAW	Exact match	Bethesda, MD, United StatesHQ recorded Sep 28, 2026	51-200	115 contacts →
	Exact match “Immigration & Employment Law Firm based in Washington DC Metro area.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Masuda Funai	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	51-200	102 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	HKM Employment Attorneys LLP	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	51-200	100 contacts →
	Exact match “HKM is a national employment law firm that represents individuals and workers in all aspects of employment law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Fakhoury Global Immigration	Exact match	Troy, MI, United StatesHQ recorded Sep 28, 2026	51-200	99 contacts →
	Exact match “Fakhoury Global Immigration (FGI) specializes in U.S.” Recorded in the RevenueBase company graph · Sep 28, 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 “labor certification 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 3,595 labor certification law firms based in the United States

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Labor certification law firms based in the United States at a glance

As of Sep 28, 2026

48.0%Verified-email coverage

11.4Average contacts per company

1-10Median size (employees)

8.5%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,606

11-50

799

51-200

145

201-500

501-1,000

1,001-5,000

5,001-10,000

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 3,595 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 “labor certification 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 19,686 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 28, 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.

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

How many labor certification law firms are there based in the United States?

RevenueBase identified 3,595 company matches for labor certification 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?

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

Which city has the most labor certification law firms?

New York leads with 304 company records, followed by Houston (131) and Los Angeles (123).

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 19,686 professional contacts with verified work emails tracked across these 3,595 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 28, 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.