Company lists · Data refreshed September 2026

Top 25 Non standard insurance companies worldwide

RevenueBase identified 2,154 company matches for non standard insurance companies worldwide as of September 2026 and tracks 172,695 professional contacts across them, including 59,276 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for non standard insurance companies worldwide, 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 30, 2026. Country and city lists for non standard insurance companies follow the table.

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 30, 2026 How this list was built
2,154Companies
172,695Contacts tracked
59,276Verified emails
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The 25 largest non standard insurance companies worldwide

Ranked by team size
Top 25 of 2,154 company matches for non standard insurance companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 matchNew York, NY, United StatesHQ recorded Sep 30, 202610001+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 30, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 30, 20265,001-10,0006,984 contacts →

Exact match

“CNA is one of the largest U.S.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 30, 20265,001-10,0005,419 contacts →

Exact match

“The Kemper family of companies is one of the nation’s leading specialized insurers.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchWorcester, MA, United StatesHQ recorded Sep 30, 20265,001-10,0005,132 contacts →

Exact match

“Rooted in our commitment to be with you, every step, The Hanover Insurance Group, Inc.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 30, 20265,001-10,0004,734 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 30, 2026 · View company records in RevenueBase
6Exact matchStevens Point, WI, United StatesHQ recorded Sep 30, 20265,001-10,0003,963 contacts →

Exact match

“Sentry Insurance got its start in 1904, when members of the Wisconsin Retail Hardware Association formed their own insurance company.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchBrea, CA, United StatesHQ recorded Sep 30, 20265,001-10,0003,186 contacts →

Exact match

“At Mercury, we have been guided by our purpose to help people reduce risk and overcome unexpected events for more than 60 years.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchGlen Allen, VA, United StatesHQ recorded Sep 30, 20261,001-5,0003,151 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 30, 2026 · View company records in RevenueBase
9Exact matchBranchville, NJ, United StatesHQ recorded Sep 30, 20261,001-5,0002,931 contacts →

Exact match

“At Selective, we maintain a commitment to provide unique insurance solutions that help keep the families and businesses of our communities protected.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchJersey City, NJ, United StatesHQ recorded Sep 30, 20261,001-5,0002,704 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 30, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 30, 20261,001-5,0002,564 contacts →

Exact match

“We are a specialty insurer with more than three decades of experience in providing clients with the highest standards of underwriting and claims service worldwide.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchPembroke, BermudaHQ recorded Sep 30, 20261,001-5,0002,329 contacts →

Exact match

“In a world that never stands still – where the nature of risk is constantly evolving and the needs of your customers are continually changing – you need a partner that turns…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchMorristown, NJ, United StatesHQ recorded Sep 30, 20261,001-5,0002,105 contacts →

Exact match

“Crum & Forster (C&F) provides market leading property & casualty, accident & health, specialty and standard commercial lines insurance solutions.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Sep 30, 2026501-1,0001,844 contacts →

Exact match

“Sompo Seguros S.A is a subsidiary of Sompo International, the company responsible for the insurance and reinsurance operations of the Sompo Holdings Group outside Japan.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 30, 20261,001-5,0001,799 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 30, 2026 · View company records in RevenueBase
16Exact matchPlymouth, MN, United StatesHQ recorded Sep 30, 20261,001-5,0001,388 contacts →

Exact match

“We are here to help people, businesses and society prosper in good times and be resilient in bad times.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchPeoria, IL, United StatesHQ recorded Sep 30, 20261,001-5,0001,386 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 30, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 30, 20261,001-5,0001,343 contacts →

Exact match

“At QBE we’re driven by our purpose of enabling a more resilient future.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Sep 30, 20261,001-5,0001,269 contacts →

Exact match

“Homesite.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchHuntington Beach, CA, United StatesHQ recorded Sep 30, 20261,001-5,0001,199 contacts →

Exact match

“For more than 50 years, Acceptance Insurance has been helping people save money on their car insurance.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchMiddleton, WI, United StatesHQ recorded Sep 30, 2026201-5001,145 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 30, 2026 · View company records in RevenueBase
22Exact matchWhite Plains, NY, United StatesHQ recorded Sep 30, 2026501-1,0001,116 contacts →

Exact match

“PURE is a specialty property and casualty insurer dedicated to helping a membership of responsible people protect high value homes, jewelry, artwork and other fine assets.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchCincinnati, OH, United StatesHQ recorded Sep 30, 20261,001-5,0001,113 contacts →

Exact match

“American Modern provides insurance solutions for customers who need coverage not readily found in the general market.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchHuntington Beach, CA, United StatesHQ recorded Sep 30, 20261,001-5,0001,106 contacts →

Exact match

“Since 2008, our dedicated agents have helped thousands of people choose the best insurance plans for their needs, at a price they can afford.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 2026501-1,0001,008 contacts →

Exact match

“Safety National is a leading specialty insurance and reinsurance provider.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 2,154 non standard insurance companies worldwide

See the full list, filter by size, metro and specialty, and access 59,276 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Non standard insurance companies worldwide at a glance

As of Sep 30, 2026
34.3%Verified-email coverage
80.2Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Houston
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
1,213
11-50
559
51-200
176
201-500
86
501-1,000
34
1,001-5,000
57
5,001-10,000
12
10001+
8

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for non standard insurance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “non standard insurance companies” 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. 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 59,276 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 30, 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.

Non standard insurance companies by location

6 lists · largest first

Every Non standard insurance companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “non standard insurance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many non standard insurance companies are there worldwide?

RevenueBase identified 2,154 company matches for non standard insurance companies worldwide 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 country has the most non standard insurance companies?

The United States leads with 1,482 companies, followed by the United Kingdom (64) and Canada (55). Every non standard insurance companies list by country and city is linked on this page.

Which city has the most non standard insurance companies?

Houston leads with 26 company records, followed by Miami (22) and New York (21).

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 59,276 professional contacts with verified work emails tracked across these 2,154 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 30, 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.