Company lists · Data refreshed September 2026
Top 25 Insurance carriers based in the United States
RevenueBase identified 2,264 company matches for insurance carriers associated with the United States as of September 2026 and tracks 157,372 professional contacts across them, including 64,929 with verified work emails. New York is the largest hub.
This list covers company matches for insurance carriers 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 15, 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.
The 25 largest insurance carriers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 15, 2026 · View company records in RevenueBase | |||||
| 2 | 23,438 contacts → | ||||
Exact match “American International Group, Inc.(NYSE: AIG) is a leading global insurance organization.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 3 | 8,988 contacts → | ||||
Exact match “Zurich North America is one of the largest providers of insurance solutions and services to businesses and individuals.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 4 | 6,984 contacts → | ||||
Exact match “CNA is one of the largest U.S.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 5 | 5,419 contacts → | ||||
Exact match “The Kemper family of companies is one of the nation’s leading specialized insurers.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 6 | 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 15, 2026 · View company records in RevenueBase | |||||
| 7 | 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 15, 2026 · View company records in RevenueBase | |||||
| 8 | 3,186 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 15, 2026 · View company records in RevenueBase | |||||
| 9 | 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 15, 2026 · View company records in RevenueBase | |||||
| 10 | 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 15, 2026 · View company records in RevenueBase | |||||
| 11 | 2,667 contacts → | ||||
Exact match “Founded in 1934, Medical Mutual is the oldest and one of the largest health insurance companies based in Ohio.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 12 | 2,105 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 15, 2026 · View company records in RevenueBase | |||||
| 13 | 2,006 contacts → | ||||
Exact match “Tokio Marine HCC focuses on what matters most; our people.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 14 | 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 15, 2026 · View company records in RevenueBase | |||||
| 15 | 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 15, 2026 · View company records in RevenueBase | |||||
| 16 | 1,338 contacts → | ||||
Exact match “Utica National Insurance Group is a Top 100, nationally recognized insurer providing personal and commercial insurance products and services, with the second-largest errors and…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 17 | 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 15, 2026 · View company records in RevenueBase | |||||
| 18 | 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 15, 2026 · View company records in RevenueBase | |||||
| 19 | 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 15, 2026 · View company records in RevenueBase | |||||
| 20 | 718 contacts → | ||||
Exact match “Bristol West®: The Beginning It all started in Florida in 1973.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 21 | 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 15, 2026 · View company records in RevenueBase | |||||
| 22 | 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 15, 2026 · View company records in RevenueBase | |||||
| 23 | 675 contacts → | ||||
Exact match “Headquartered in New York City with offices throughout the U.S.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 24 | 635 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 · Sep 15, 2026 · View company records in RevenueBase | |||||
| 25 | 614 contacts → | ||||
Exact match “Admiral Insurance Group, a Berkley company, provides excess and surplus (E&S) lines of commercial insurance exclusively through our nationwide network of wholesale brokers.” Recorded in the RevenueBase company graph · Sep 15, 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 “insurance carriers”. 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 2,264 insurance carriers based in the United States
See the full list, filter by size, metro and specialty, and access 64,929 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Insurance carriers based in the United States at a glance
As of Sep 15, 2026Companies by employee count
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 2,264 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 “insurance carriers” 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 64,929 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 15, 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.
Insurance carriers 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 “insurance carriers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many insurance carriers are there based in the United States?
RevenueBase identified 2,264 company matches for insurance carriers 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 insurance carriers?
New York leads with 36 company records, followed by Houston (35) and Miami (30).
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 64,929 professional contacts with verified work emails tracked across these 2,264 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 15, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,264 insurance carriers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Insurance carriers by geography
- Insurance carriers based in Dallas, United States
- Insurance carriers based in Houston, United States
- Insurance carriers based in Miami, United States
- Insurance carriers based in New York, United States
- Insurance carriers based in Argentina
- Insurance carriers based in Australia
- Insurance carriers based in Belgium
- Insurance carriers based in Brazil
- Insurance carriers based in Canada
- Insurance carriers based in France
- Insurance carriers based in Germany
- Insurance carriers based in India
Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insurance carriers based in Dallas, United States
- Insurance carriers based in Houston, United States
- Insurance carriers based in Miami, United States
- Insurance carriers based in New York, United States
- Insurance carriers based in Argentina
- Insurance carriers based in Australia
Company intelligence · public preview
Top 25 insurance carriers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,264 matching company records for insurance carriers based in the United States, with 157,372 tracked contacts and 64,929 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 15, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 insurance carriers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Travelerstravelers.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 32,682 contacts → |
“Travelers provides insurance coverage to protect the things that are important to you – your home, your car, your valuables and your business.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AIGaig.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 23,438 contacts → |
“American International Group, Inc.(NYSE: AIG) is a leading global insurance organization.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Zurich North Americazurichna.comHQ: Schaumburg, IL, United StatesReported employees: 5,001-10,000 | Schaumburg, IL, United States | 5,001-10,000 | Exact match | 8,988 contacts → |
“Zurich North America is one of the largest providers of insurance solutions and services to businesses and individuals.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  CNA Insurancecna.comHQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 6,984 contacts → |
“CNA is one of the largest U.S.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kemperkemper.comHQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 5,419 contacts → |
“The Kemper family of companies is one of the nation’s leading specialized insurers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Amwinsamwins.comHQ: Charlotte, NC, United StatesReported employees: 5,001-10,000 | Charlotte, NC, United States | 5,001-10,000 | Exact match | 4,926 contacts → |
“Amwins is the largest wholesale distributor of specialty insurance products and services in the U.S.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Everesteverestglobal.comHQ: Warren, NJ, United StatesReported employees: 1,001-5,000 | Warren, NJ, United States | 1,001-5,000 | Exact match | 3,411 contacts → |
“Everest Group, Ltd.(“Everest”) is a global underwriting leader providing best-in-class property, casualty, and specialty reinsurance and insurance solutions that address…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Mercury Insurancemercuryinsurance.comHQ: Brea, CA, United StatesReported employees: 5,001-10,000 | Brea, CA, United States | 5,001-10,000 | Exact match | 3,186 contacts → |
“At Mercury, we have been guided by our purpose to help people reduce risk and overcome unexpected events for more than 60 years.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Markelmarkel.comHQ: Glen Allen, VA, United StatesReported employees: 1,001-5,000 | Glen Allen, VA, United States | 1,001-5,000 | Exact match | 3,151 contacts → |
“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 description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Mcgriffmcgriff.comHQ: Charlotte, NC, United StatesReported employees: 1,001-5,000 | Charlotte, NC, United States | 1,001-5,000 | Exact match | 3,021 contacts → |
“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 description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Medical Mutualmedmutual.comHQ: Cleveland, OH, United StatesReported employees: 1,001-5,000 | Cleveland, OH, United States | 1,001-5,000 | Exact match | 2,667 contacts → |
“Founded in 1934, Medical Mutual is the oldest and one of the largest health insurance companies based in Ohio.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Crum & Forstercfins.comHQ: Morristown, NJ, United StatesReported employees: 1,001-5,000 | Morristown, NJ, United States | 1,001-5,000 | Exact match | 2,105 contacts → |
“Crum & Forster (C&F) provides market leading property & casualty, accident & health, specialty and standard commercial lines insurance solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tokio Marine HCCtmhcc.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,006 contacts → |
“Tokio Marine HCC focuses on what matters most; our people.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  QBE North Americaqbe.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,883 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Berkshire Hathaway Specialty Insurancebhspecialty.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,799 contacts → |
“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 description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Utica National Insurance Grouputicanational.comHQ: New Hartford, MA, United StatesReported employees: 1,001-5,000 | New Hartford, MA, United States | 1,001-5,000 | Exact match | 1,338 contacts → |
“Utica National Insurance Group is a Top 100, nationally recognized insurer providing personal and commercial insurance products and services, with the second-largest errors and…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  USLIusli.comHQ: Wayne, PA, United StatesReported employees: 1,001-5,000 | Wayne, PA, United States | 1,001-5,000 | Exact match | 1,314 contacts → |
“We aspire to be the very best insurance company at underwriting insurance products for our customers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ryan Specialtyryanspecialty.comHQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 1,079 contacts → |
“Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Argo Groupargogroup.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 851 contacts → |
“Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Bristol West Insurance Groupbristolwest.comHQ: Independence, OH, United StatesReported employees: 1,001-5,000 | Independence, OH, United States | 1,001-5,000 | Exact match | 718 contacts → |
“Bristol West®: The Beginning It all started in Florida in 1973.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Msig USAmsigusa.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 693 contacts → |
“MSIG USA is the partner that businesses rely on for creative, customized insurance solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Applied Underwritersauw.comHQ: Omaha, NE, United StatesReported employees: 1,001-5,000 | Omaha, NE, United States | 1,001-5,000 | Exact match | 680 contacts → |
“Applied Underwriters® is a global risk services firm helping business and people manage uncertainty through its business services, insurance, and reinsurance solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Hudson Insurance Grouphudsoninsgroup.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 675 contacts → |
“Headquartered in New York City with offices throughout the U.S.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Core Specialty Insurance Holdings, INCcorespecialty.comHQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 635 contacts → |
“Core Specialty, through its subsidiary insurers, offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Admiral Insurance Group A Berkley Companyadmiralins.comHQ: Moorestown, NJ, United StatesReported employees: 201-500 | Moorestown, NJ, United States | 201-500 | Exact match | 614 contacts → |
“Admiral Insurance Group, a Berkley company, provides excess and surplus (E&S) lines of commercial insurance exclusively through our nationwide network of wholesale brokers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,264 company matches
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Insurance carriers: dataset insights
September 15, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,259 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 2,264 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 15, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Insurance carriers by metro
Questions about this company list
What does Exact match mean for insurance carriers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many insurance carriers did RevenueBase find based in the United States?
The saved snapshot records 2,264 matching company records, 157,372 tracked contacts and 64,929 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 15, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Insurance carriers by geography
- Insurance carriers based in Dallas, United States
- Insurance carriers based in Houston, United States
- Insurance carriers based in Miami, United States
- Insurance carriers based in New York, United States
- Insurance carriers based in Argentina
- Insurance carriers based in Australia
- Insurance carriers based in Belgium
- Insurance carriers based in Brazil
- Insurance carriers based in Canada
- Insurance carriers based in France
- Insurance carriers based in Germany
- Insurance carriers based in India
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 insurance carriers based in the United States. Snapshot: September 15, 2026. https://revenuebase.ai/companies/insurance-carriers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insurance carriers based in Dallas, United States
- Insurance carriers based in Houston, United States
- Insurance carriers based in Miami, United States
- Insurance carriers based in New York, United States
- Insurance carriers based in Argentina
- Insurance carriers based in Australia
Company intelligence · public preview
Top 25 insurance carriers based in the United States
RevenueBase records 2,264 matching company records for insurance carriers based in the United States, with 157,372 tracked contacts and 64,929 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 15, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 insurance carriers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Travelerstravelers.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 32,682 contacts → |
“Travelers provides insurance coverage to protect the things that are important to you – your home, your car, your valuables and your business.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AIGaig.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 23,438 contacts → |
“American International Group, Inc.(NYSE: AIG) is a leading global insurance organization.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Zurich North Americazurichna.com HQ: Schaumburg, IL, United StatesReported employees: 5,001-10,000 | Schaumburg, IL, United States | 5,001-10,000 | Exact match | 8,988 contacts → |
“Zurich North America is one of the largest providers of insurance solutions and services to businesses and individuals.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | CNA Insurancecna.com HQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 6,984 contacts → |
“CNA is one of the largest U.S.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kemperkemper.com HQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 5,419 contacts → |
“The Kemper family of companies is one of the nation’s leading specialized insurers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Amwinsamwins.com HQ: Charlotte, NC, United StatesReported employees: 5,001-10,000 | Charlotte, NC, United States | 5,001-10,000 | Exact match | 4,926 contacts → |
“Amwins is the largest wholesale distributor of specialty insurance products and services in the U.S.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Everesteverestglobal.com HQ: Warren, NJ, United StatesReported employees: 1,001-5,000 | Warren, NJ, United States | 1,001-5,000 | Exact match | 3,411 contacts → |
“Everest Group, Ltd.(“Everest”) is a global underwriting leader providing best-in-class property, casualty, and specialty reinsurance and insurance solutions that address…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Mercury Insurancemercuryinsurance.com HQ: Brea, CA, United StatesReported employees: 5,001-10,000 | Brea, CA, United States | 5,001-10,000 | Exact match | 3,186 contacts → |
“At Mercury, we have been guided by our purpose to help people reduce risk and overcome unexpected events for more than 60 years.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Markelmarkel.com HQ: Glen Allen, VA, United StatesReported employees: 1,001-5,000 | Glen Allen, VA, United States | 1,001-5,000 | Exact match | 3,151 contacts → |
“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 description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mcgriffmcgriff.com HQ: Charlotte, NC, United StatesReported employees: 1,001-5,000 | Charlotte, NC, United States | 1,001-5,000 | Exact match | 3,021 contacts → |
“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 description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Medical Mutualmedmutual.com HQ: Cleveland, OH, United StatesReported employees: 1,001-5,000 | Cleveland, OH, United States | 1,001-5,000 | Exact match | 2,667 contacts → |
“Founded in 1934, Medical Mutual is the oldest and one of the largest health insurance companies based in Ohio.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Crum & Forstercfins.com HQ: Morristown, NJ, United StatesReported employees: 1,001-5,000 | Morristown, NJ, United States | 1,001-5,000 | Exact match | 2,105 contacts → |
“Crum & Forster (C&F) provides market leading property & casualty, accident & health, specialty and standard commercial lines insurance solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tokio Marine HCCtmhcc.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,006 contacts → |
“Tokio Marine HCC focuses on what matters most; our people.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | QBE North Americaqbe.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,883 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Berkshire Hathaway Specialty Insurancebhspecialty.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,799 contacts → |
“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 description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Utica National Insurance Grouputicanational.com HQ: New Hartford, MA, United StatesReported employees: 1,001-5,000 | New Hartford, MA, United States | 1,001-5,000 | Exact match | 1,338 contacts → |
“Utica National Insurance Group is a Top 100, nationally recognized insurer providing personal and commercial insurance products and services, with the second-largest errors and…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | USLIusli.com HQ: Wayne, PA, United StatesReported employees: 1,001-5,000 | Wayne, PA, United States | 1,001-5,000 | Exact match | 1,314 contacts → |
“We aspire to be the very best insurance company at underwriting insurance products for our customers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ryan Specialtyryanspecialty.com HQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 1,079 contacts → |
“Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Argo Groupargogroup.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 851 contacts → |
“Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bristol West Insurance Groupbristolwest.com HQ: Independence, OH, United StatesReported employees: 1,001-5,000 | Independence, OH, United States | 1,001-5,000 | Exact match | 718 contacts → |
“Bristol West®: The Beginning It all started in Florida in 1973.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Msig USAmsigusa.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 693 contacts → |
“MSIG USA is the partner that businesses rely on for creative, customized insurance solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Applied Underwritersauw.com HQ: Omaha, NE, United StatesReported employees: 1,001-5,000 | Omaha, NE, United States | 1,001-5,000 | Exact match | 680 contacts → |
“Applied Underwriters® is a global risk services firm helping business and people manage uncertainty through its business services, insurance, and reinsurance solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hudson Insurance Grouphudsoninsgroup.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 675 contacts → |
“Headquartered in New York City with offices throughout the U.S.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Core Specialty Insurance Holdings, INCcorespecialty.com HQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 635 contacts → |
“Core Specialty, through its subsidiary insurers, offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Admiral Insurance Group A Berkley Companyadmiralins.com HQ: Moorestown, NJ, United StatesReported employees: 201-500 | Moorestown, NJ, United States | 201-500 | Exact match | 614 contacts → |
“Admiral Insurance Group, a Berkley company, provides excess and surplus (E&S) lines of commercial insurance exclusively through our nationwide network of wholesale brokers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,264 company matches
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Insurance carriers: dataset insights
September 15, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,259 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 2,264 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 15, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Insurance carriers by metro
Questions about this company list
What does Exact match mean for insurance carriers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many insurance carriers did RevenueBase find based in the United States?
The saved snapshot records 2,264 matching company records, 157,372 tracked contacts and 64,929 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 15, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 insurance carriers based in the United States. Snapshot: September 15, 2026. https://revenuebase.ai/companies/insurance-carriers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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