Company lists · Data refreshed September 2026

Top 25 General liability insurance underwriters based in the United States

RevenueBase identified 53 company matches for general liability insurance underwriters associated with the United States as of September 2026 and tracks 2,249 professional contacts across them, including 1,431 with verified work emails. Chicago is the largest hub.

This list covers company matches for general 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 16, 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 16, 2026 How this list was built
53Companies
2,249Contacts tracked
1,431Verified emails
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The 25 largest general liability insurance underwriters based in the United States

Ranked by team size
Top 25 of 53 company matches for general liability insurance underwriters based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchPlantation, FL, United StatesHQ recorded Sep 16, 2026501-1,000494 contacts →

Exact match

“As an MGA, we offer a great deal of specialty products with professional service.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchAtlanta, GA, United StatesHQ recorded Sep 16, 2026201-500442 contacts →

Exact match

“RSUI is a leading underwriter of wholesale specialty insurance.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchGoldsboro, NC, United StatesHQ recorded Sep 16, 2026201-500335 contacts →

Exact match

“Atlantic Casualty Insurance Company (Atlantic Casualty) was formed by Strickland Insurance Group (SIG) in 1983 to underwrite a substantial book of non-standard personal auto.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchBethesda, MD, United StatesHQ recorded Sep 16, 2026201-500171 contacts →

Exact match

“Victor is a leading global managing general underwriter.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchWesterville, OH, United StatesHQ recorded Sep 16, 2026201-500160 contacts →

Exact match

“Century Insurance Group is a premier provider of excess and surplus lines insurance and is a division of AF Group, whose brands are premier providers of innovative, specialty…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchSpokane, WA, United StatesHQ recorded Sep 16, 202651-20071 contacts →

Exact match

“Cochrane & Company was established in 1960 in Spokane, Washington.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 16, 202611-5060 contacts →

Exact match

“Tradesman Program Managers (TPM) is a trailblazing Managing General Agency, redefining risk management for elite trade and general contractors with forward-thinking commercial…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchWaterford, MI, United StatesHQ recorded Sep 16, 202611-5049 contacts →

Exact match

“Universal Fire & Casualty Insurance Company (UFCIC) currently underwrites commercial property, general liability, business owner’s package (BOP), commercial multi-peril (CMP), and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchShreveport, LA, United StatesHQ recorded Sep 16, 202651-20042 contacts →

Exact match

“We are a professional insurance underwriting management company specializing in Commercial Automobile, Commercial General Liability, Commercial Property, Inland Marine and Garage…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchCypress, TX, United StatesHQ recorded Sep 16, 202611-5033 contacts →

Exact match

“We are a Managing General Underwriter (MGU) company providing high limits and innovative products to our clients.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchMiami, FL, United StatesHQ recorded Sep 16, 202611-5028 contacts →

Exact match

“At GIC Underwriters our success is based on 30 years of superior service, conservative underwriting and commitment to meeting the needs of our producers.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchSimi Valley, CA, United StatesHQ recorded Sep 16, 202611-5026 contacts →

Exact match

“Partners General Insurance Agency (PGIA) is a privately owned Managing General Underwriter, providing Primary General Liability and Excess coverages (supported and unsupported)…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchCedarhurst, NY, United StatesHQ recorded Sep 16, 202611-5023 contacts →

Exact match

“Tricura's team leverages decades of clinical experience to provide best-in-class analysis of provider operations.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchMiami, FL, United StatesHQ recorded Sep 16, 202611-5022 contacts →

Exact match

“Canopy Specialty Insurance is an Insurance Program Administrator/Manager that underwrites Specialty insurance product lines exclusively on behalf of "A" rated carrier partners and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchMontgomery, AL, United StatesHQ recorded Sep 16, 202611-5022 contacts →

Exact match

“At Inspirien, we offer your business more than just professional and general liability coverage.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 16, 202611-5022 contacts →

Exact match

“Applied Specialty Underwriters provides liability insurance coverage, including primary and excess liability for project-based construction, New York construction, infrastructure…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Sep 16, 202611-5021 contacts →

Exact match

“Leading the industry since 1985, Special Markets Insurance Consultants (SMIC) is a boutique Managing General Underwriter specializing in General Liability, Accident Medical…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 16, 2026501-1,00019 contacts →

Exact match

“Simply stated, RT Binding Authority’s underwriters are here to provide a solution to your clients’ insurance needs.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchCarlsbad, CA, United StatesHQ recorded Sep 16, 202611-5018 contacts →

Exact match

“Gaslamp Insurance Services, Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchRoswell, GA, United StatesHQ recorded Sep 16, 202611-5017 contacts →

Exact match

“Our clients are the reason we exist.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchCrystal Lake, IL, United StatesHQ recorded Sep 16, 202651-20016 contacts →

Exact match

“Stateside Underwriting Agency: Underwriting Manager for specialty insurance solutions like the Mortgage Bankers Bond, Mortgage Company Professional Liability, Employment Practices…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchManchester, NH, United StatesHQ recorded Sep 16, 202651-20016 contacts →

Exact match

“Champlain Insurance Group is a general liability and excess insurance enterprise.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Sep 16, 20261-1013 contacts →

Exact match

“C&S Specialty Underwriters, LLC An MGU that specializes in the underwriting and administration of specialty casualty risks not adequately served by the standard insurance market.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 16, 202611-5012 contacts →

Exact match

“First Indemnity Insurance Agency is one of largest Managing Underwriters of professional liability insurance in the United States.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchGermantown, TN, United StatesHQ recorded Sep 16, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 53 general liability insurance underwriters based in the United States

See the full list, filter by size, metro and specialty, and access 1,431 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 16, 2026
63.6%Verified-email coverage
42.4Average contacts per company
11-50Median size (employees)
7.5%Largest-city concentration · Chicago
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
22
51-200
8
201-500
4
501-1,000
2

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 53 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 “general 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 1,431 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 16, 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 “general liability insurance underwriters”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 53 company matches for general 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?

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

Which city has the most general liability insurance underwriters?

Chicago leads with 4 company records, followed by New York (4) and Atlanta (2).

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 1,431 professional contacts with verified work emails tracked across these 53 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 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 53 general liability insurance underwriters based in the United States. Start with a free account, no credit card.

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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.