Company lists · Data refreshed October 2026

Top 25 Hull and machinery insurers based in the United States

RevenueBase identified 115 company matches for hull and machinery insurers associated with the United States as of October 2026 and tracks 2,348 professional contacts across them, including 1,382 with verified work emails. Miami is the largest hub.

This list covers company matches for hull and machinery insurers 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 October 14, 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 Oct 14, 2026 How this list was built
115Companies
2,348Contacts tracked
1,382Verified emails
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The 25 largest hull and machinery insurers based in the United States

Ranked by team size
Top 25 of 115 company matches for hull and machinery insurers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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 matchCincinnati, OH, United StatesHQ recorded Oct 14, 20261,001-5,000685 contacts →

Exact match

“Core Specialty, through its subsidiary insurers, offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2Exact matchGoldsboro, NC, United StatesHQ recorded Oct 14, 2026201-500333 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 · Oct 14, 2026 · View company records in RevenueBase
3Exact matchMobile, AL, United StatesHQ recorded Oct 14, 202651-200168 contacts →

Exact match

“The American Equity Underwriters, Inc.(AEU) delivers specialized coverage and risk management solutions to waterfront employers across the United States.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 14, 202651-20096 contacts →

Exact match

“Founded in 1861, Foa & Son are international insurance brokers based in New York City.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5Exact matchJersey City, NJ, United StatesHQ recorded Oct 14, 202611-5090 contacts →

Exact match

“At EIMC, we are the trusted partner for marine insurance and global supply chain communities worldwide.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6Exact matchCovington, LA, United StatesHQ recorded Oct 14, 202611-5077 contacts →

Exact match

“Baker Marine Solutions is a leading provider of marine assurance, engineering and consulting services, performing DP assurance, OCIMF- OVID inspections, IMCA CMID inspections…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Oct 14, 202651-20057 contacts →

Exact match

“Founded in New York in 1917, celebrating 106 years of service, the American Club is the only P&I mutual domiciled in the Americas.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Oct 14, 2026201-50051 contacts →

Exact match

“International Marine Underwriters (IMU) traces its roots to the early 1900s, and offers a full range of ocean and inland marine insurance solutions.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9Exact matchTraverse City, MI, United StatesHQ recorded Oct 14, 202651-20047 contacts →

Exact match

“Global Marine Insurance Agency, a division of Specialty Program Group LLC provides specialized insurance solutions to boat, yacht and marine business owners.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 14, 202611-5045 contacts →

Exact match

“Berkley Offshore is an insurance provider specialising in Energy Upstream, Energy Liability and Marine Insurance.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11Exact matchWestbrook, CT, United StatesHQ recorded Oct 14, 202651-20041 contacts →

Exact match

“Our history dates back to the early 1990’s, when Maritime General Agency and Marine MGA were founded.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12Exact matchFort Lauderdale, FL, United StatesHQ recorded Oct 14, 202611-5040 contacts →

Exact match

“MHG Insurance is a leading insurance brokerage providing insurance advice and solutions for seafarers, businesses and groups and individuals around the world.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13Exact matchFarmington Hills, MI, United StatesHQ recorded Oct 14, 2026501-1,00034 contacts →

Exact match

“Founded in 1905, RB Jones is a leader in providing specialty risk coverage solutions to brokers, agents and wholesalers, including: Commercial Marine, Excess Energy, Commercial…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14Exact matchMiami, FL, United StatesHQ recorded Oct 14, 202651-20025 contacts →

Exact match

“Supply to our customers in the insurance industry, Reinsurance capacity in ALL MARINE LINES, with an INTEGRAL RISK MANAGEMENT PROGRAM across the entire logistics chain.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Oct 14, 202611-5024 contacts →

Exact match

“Trident Marine Managers is a leading specialty marine and offshore energy managing general underwriter (MGU) that delivers capacity and solid protection.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5023 contacts →

Exact match

“Established in 1978, we are a family run and fourth generation yacht insurance agency with offices in San Diego, Fort Lauderdale, and Kona.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17Exact matchSarasota, FL, United StatesHQ recorded Oct 14, 202611-5020 contacts →

Exact match

“NBOA Marine Insurance is one of the largest boat insurance agencies in the country.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18Exact matchFairhaven, MA, United StatesHQ recorded Oct 14, 202611-5019 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19Exact matchCovington, LA, United StatesHQ recorded Oct 14, 202611-5018 contacts →

Exact match

“Continental Underwriters, Ltd, provides all classes of commercial marine insurance coverages.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20Exact matchLynnfield, MA, United StatesHQ recorded Oct 14, 202611-5017 contacts →

Exact match

“International Special Risks, Inc.(ISR), with offices from Maine to Florida, is the largest Marine intermediary insurance broker on the East Coast.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Oct 14, 202611-5017 contacts →

Exact match

“Since 1979, Global Special Risks (GSR) has been underwriting insurance coverages for the Upstream Energy and Marine industries.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22Exact matchEdison, NJ, United StatesHQ recorded Oct 14, 202611-5016 contacts →

Exact match

“Insurance Solutions & Services, Inc.(ISSI) is an Insurance Broker and Risk Management Consultant handling Property & Casualty, Marine Cargo, Hull & Liabilities, Aviation, Employee…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23Exact matchAtlantic Highlands, NJ, United StatesHQ recorded Oct 14, 202611-5015 contacts →

Exact match

“In 1997, a group of risk and insurance professionals, led by Joseph DiMattina, met in the shadows of the World Trade Center uniting their knowledge and expertise to establish JBL…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24Exact matchRiviera Beach, FL, United StatesHQ recorded Oct 14, 202611-5013 contacts →

Exact match

“Seven Seas Insurance Company specializes in cargo insurance.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25Exact matchMiami, FL, United StatesHQ recorded Oct 14, 202611-5013 contacts →

Exact match

“Nace de la necesidad del mercado logístico internacional, de contar con expertos en el área de riesgos durante el transporte de mercancías alrededor del mundo.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase

Showing 25 of 115 hull and machinery insurers based in the United States

See the full list, filter by size, metro and specialty, and access 1,382 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hull and machinery insurers based in the United States at a glance

As of Oct 14, 2026
58.9%Verified-email coverage
20.4Average contacts per company
1-10Median size (employees)
7.0%Largest-city concentration · Miami
Oct 14, 2026Page data refreshed

Companies by employee count

1-10
61
11-50
40
51-200
9
201-500
2
501-1,000
2
1,001-5,000
1

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 115 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 “hull and machinery insurers” 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 1,382 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 October 14, 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 “hull and machinery insurers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hull and machinery insurers are there based in the United States?

RevenueBase identified 115 company matches for hull and machinery insurers associated with the United States as of October 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?

Core Specialty Insurance Holdings, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hull and machinery insurers?

Miami leads with 8 company records, followed by Houston (7) and New York (5).

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 1,382 professional contacts with verified work emails tracked across these 115 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 October 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 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.