Company lists · Data refreshed September 2026

Top 25 Public liability insurance underwriters based in the United States

Name: Public liability insurance underwriters based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,218 companies tracked

RevenueBase identified 1,218 company matches for public liability insurance underwriters associated with the United States as of September 2026 and tracks 124,815 professional contacts across them, including 55,029 with verified work emails. New York is the largest hub.

This list covers company matches for public liability insurance underwriters 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 17, 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 17, 2026 How this list was built

1,218Companies

124,815Contacts tracked

55,029Verified emails

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The 25 largest public liability insurance underwriters based in the United States

Ranked by team size

Top 25 of 1,218 company matches for public liability insurance underwriters based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Travelers	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	10001+	32,682 contacts →
	Exact match “Travelers provides insurance coverage to protect the things that are important to you – your home, your car, your valuables and your business.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Amwins	Exact match	Charlotte, NC, United StatesHQ recorded Sep 17, 2026	5,001-10,000	4,926 contacts →
	Exact match “Amwins is the largest wholesale distributor of specialty insurance products and services in the U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Amtrust Financial Services, INC	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	5,001-10,000	4,734 contacts →
	Exact match “AmTrust Financial Services, Inc, through its subsidiaries, operates as a multinational property and casualty insurance company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Everest	Exact match	Warren, NJ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	3,411 contacts →
	Exact match “Everest Group, Ltd.(“Everest”) is a global underwriting leader providing best-in-class property, casualty, and specialty reinsurance and insurance solutions that address…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Markel	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	3,151 contacts →
	Exact match “As the insurance operations within the Markel Group Inc.(NYSE: MKL), we leverage a broad array of capabilities and expertise to create intelligent solutions for the most complex…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Mcgriff	Exact match	Charlotte, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	3,021 contacts →
	Exact match “When it comes to protecting what matters most in business and everyday life, at McGriff we believe our clients should never settle for less than the best.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	RT Specialty	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,955 contacts →
	Exact match “RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Arch Insurance Group INC	Exact match	Jersey City, NJ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,704 contacts →
	Exact match “Arch Insurance Group Inc, a division of Arch Capital Group Ltd.(ACGL), is a market-leading specialty insurer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Tokio Marine HCC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,006 contacts →
	Exact match “Tokio Marine HCC focuses on what matters most; our people.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	QBE North America	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	10001+	1,883 contacts →
	Exact match “At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Berkshire Hathaway Specialty Insurance	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,799 contacts →
	Exact match “Berkshire Hathaway Specialty Insurance is an organization committed to providing long-term risk solutions and claims care to our customers backed by the financial strength of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Broadspire	Exact match	Peachtree Corners, GA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,658 contacts →
	Exact match “Broadspire offers risk management solutions designed to help clients achieve their unique goals, increase employee productivity, and reduce costs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	RLI Insurance Company	Exact match	Peoria, IL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,386 contacts →
	Exact match “RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	USLI	Exact match	Wayne, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,314 contacts →
	Exact match “We aspire to be the very best insurance company at underwriting insurance products for our customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Esis, INC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,262 contacts →
	Exact match “ESIS®, Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Capspecialty	Exact match	Middleton, WI, United StatesHQ recorded Sep 17, 2026	201-500	1,145 contacts →
	Exact match “CapSpecialty® is a leading provider of specialty insurance for small to mid-sized businesses in the U.S, offering casualty, professional liability, surety and fidelity products in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Ryan Specialty	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	5,001-10,000	1,079 contacts →
	Exact match “Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Fcci Insurance Group	Exact match	Sarasota, FL, United StatesHQ recorded Sep 17, 2026	501-1,000	1,036 contacts →
	Exact match “FCCI Insurance Group provides commercial property and casualty insurance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Safety National	Exact match	St. Louis, MO, United StatesHQ recorded Sep 17, 2026	501-1,000	1,008 contacts →
	Exact match “Safety National is a leading specialty insurance and reinsurance provider.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Argo Group	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	501-1,000	851 contacts →
	Exact match “Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Amerisure Insurance	Exact match	Farmington Hills, MI, United StatesHQ recorded Sep 17, 2026	501-1,000	816 contacts →
	Exact match “Amerisure Insurance Company’s continuous strength and success are the result of an unwavering commitment to service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Msig USA	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	201-500	693 contacts →
	Exact match “MSIG USA is the partner that businesses rely on for creative, customized insurance solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Applied Underwriters	Exact match	Omaha, NE, United StatesHQ recorded Sep 17, 2026	1,001-5,000	680 contacts →
	Exact match “Applied Underwriters® is a global risk services firm helping business and people manage uncertainty through its business services, insurance, and reinsurance solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Hudson Insurance Group	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	201-500	675 contacts →
	Exact match “Headquartered in New York City with offices throughout the U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Copperpoint Insurance Companies	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 17, 2026	501-1,000	647 contacts →
	Exact match “Founded in 1925, CopperPoint Insurance Companies, copperpoint.com, is a leading provider of workers’ compensation and commercial property and casualty insurance solutions.” Recorded in the RevenueBase company graph · Sep 17, 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 “public liability insurance underwriters”. 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 1,218 public liability insurance underwriters based in the United States

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Public liability insurance underwriters based in the United States at a glance

As of Sep 17, 2026

44.1%Verified-email coverage

102.5Average contacts per company

11-50Median size (employees)

4.0%Largest-city concentration · New York

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

498

11-50

429

51-200

148

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,218 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 “public liability insurance underwriters” 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 55,029 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 17, 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 “public liability insurance underwriters”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many public liability insurance underwriters are there based in the United States?

RevenueBase identified 1,218 company matches for public liability insurance underwriters 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?

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

Which city has the most public liability insurance underwriters?

New York leads with 49 company records, followed by Houston (29) 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 55,029 professional contacts with verified work emails tracked across these 1,218 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 17, 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.