Company lists · Data refreshed September 2026
Top 25 Specialty insurance underwriting firms based in the United States
RevenueBase identified 1,000 company matches for specialty insurance underwriting firms associated with the United States as of September 2026 and tracks 67,968 professional contacts across them, including 34,153 with verified work emails. New York is the largest hub.
This list covers company matches for specialty insurance underwriting firms 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 18, 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 specialty insurance underwriting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 18, 2026 · View company records in RevenueBase | |||||
| 2 | 2,959 contacts → | ||||
Exact match “CRC Group is all about progress.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 3 | 2,955 contacts → | ||||
Exact match “RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 4 | 2,704 contacts → | ||||
Exact match “Arch Insurance Group Inc, a division of Arch Capital Group Ltd.(ACGL), is a market-leading specialty insurer.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 5 | 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 18, 2026 · View company records in RevenueBase | |||||
| 6 | 2,006 contacts → | ||||
Exact match “Tokio Marine HCC focuses on what matters most; our people.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 7 | 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 18, 2026 · View company records in RevenueBase | |||||
| 8 | 1,386 contacts → | ||||
Exact match “RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 9 | 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 18, 2026 · View company records in RevenueBase | |||||
| 10 | 1,262 contacts → | ||||
Exact match “Radian Group Inc.(NYSE: RDN) is a trusted, global multi-line specialty insurer, built to empower confident business decisions around the world.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 11 | 1,145 contacts → | ||||
Exact match “CapSpecialty® is a leading provider of specialty insurance for small to mid-sized businesses in the U.S, offering casualty, professional liability, surety and fidelity products in…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 12 | 1,116 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 18, 2026 · View company records in RevenueBase | |||||
| 13 | 1,113 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 18, 2026 · View company records in RevenueBase | |||||
| 14 | 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 18, 2026 · View company records in RevenueBase | |||||
| 15 | 1,008 contacts → | ||||
Exact match “Safety National is a leading specialty insurance and reinsurance provider.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 16 | 877 contacts → | ||||
Exact match “SageSure is building the world’s leading catastrophe-risk franchise.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 17 | 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 18, 2026 · View company records in RevenueBase | |||||
| 18 | 748 contacts → | ||||
Exact match “AF Group is a nationally recognized holding company whose affiliated insurance companies are premier providers of specialty insurance solutions offered through independent agents…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 19 | 675 contacts → | ||||
Exact match “Headquartered in New York City with offices throughout the U.S.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 20 | 653 contacts → | ||||
Exact match “Kinsale Insurance is an excess and surplus (E&S) lines insurance company located in Richmond, VA specializing in hard-to-place property, casualty, and specialty risks.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 21 | 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 18, 2026 · View company records in RevenueBase | |||||
| 22 | 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 18, 2026 · View company records in RevenueBase | |||||
| 23 | 561 contacts → | ||||
Exact match “Skyward Specialty is a rapidly growing and innovative specialty insurance company, delivering commercial P&C products and solutions on a non-admitted and admitted basis.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 24 | 553 contacts → | ||||
Exact match “For more than 45 years, Fortegra and its subsidiaries have delivered risk management solutions that help people and businesses succeed in the face of uncertainty.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 25 | 469 contacts → | ||||
Exact match “Brown & Riding was founded in 1980 and is one of the largest wholesale insurance brokerage firms in the United States.” Recorded in the RevenueBase company graph · Sep 18, 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 “specialty insurance underwriting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,000 specialty insurance underwriting firms based in the United States
See the full list, filter by size, metro and specialty, and access 34,153 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Specialty insurance underwriting firms based in the United States at a glance
As of Sep 18, 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 1,000 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 “specialty insurance underwriting firms” 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 34,153 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 18, 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.
Specialty insurance underwriting firms 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 “specialty insurance underwriting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many specialty insurance underwriting firms are there based in the United States?
RevenueBase identified 1,000 company matches for specialty insurance underwriting firms 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?
Amwins tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most specialty insurance underwriting firms?
New York leads with 51 company records, followed by Dallas (30) and Houston (25).
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 34,153 professional contacts with verified work emails tracked across these 1,000 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 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,000 specialty insurance underwriting firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Specialty insurance underwriting firms by geography
- Specialty insurance underwriting firms based in Dallas, United States
- Specialty insurance underwriting firms based in Houston, United States
- Specialty insurance underwriting firms based in New York, United States
- Specialty insurance underwriting firms based in Australia
- Specialty insurance underwriting firms based in Brazil
- Specialty insurance underwriting firms based in Canada
- Specialty insurance underwriting firms based in France
- Specialty insurance underwriting firms based in Germany
- Specialty insurance underwriting firms based in Italy
- Specialty insurance underwriting firms based in South Africa
- Specialty insurance underwriting firms based in Spain
- Specialty insurance underwriting firms based in the United Kingdom
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
- Specialty insurance underwriting firms based in Dallas, United States
- Specialty insurance underwriting firms based in Houston, United States
- Specialty insurance underwriting firms based in New York, United States
- Specialty insurance underwriting firms based in Australia
- Specialty insurance underwriting firms based in Brazil
- Specialty insurance underwriting firms based in Canada
Company intelligence · public preview
Top 25 specialty insurance underwriting firms 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 1,000 matching company records for specialty insurance underwriting firms based in the United States, with 67,968 tracked contacts and 34,153 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 18, 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 specialty insurance underwriting firms 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 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CRC Groupcrcgroup.comHQ: Charlotte, NC, United StatesReported employees: 5,001-10,000 | Charlotte, NC, United States | 5,001-10,000 | Exact match | 2,959 contacts → |
“CRC Group is all about progress.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  RT Specialtyrtspecialty.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 2,955 contacts → |
“RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Arch Insurance Group INCarchinsurance.comHQ: Jersey City, NJ, United StatesReported employees: 1,001-5,000 | Jersey City, NJ, United States | 1,001-5,000 | Exact match | 2,704 contacts → |
“Arch Insurance Group Inc, a division of Arch Capital Group Ltd.(ACGL), is a market-leading specialty insurer.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | RLI Insurance Companyrlicorp.com HQ: Peoria, IL, United StatesReported employees: 1,001-5,000 | Peoria, IL, United States | 1,001-5,000 | Exact match | 1,386 contacts → |
“RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Radianradian.com HQ: Wayne, PA, United StatesReported employees: 1,001-5,000 | Wayne, PA, United States | 1,001-5,000 | Exact match | 1,262 contacts → |
“Radian Group Inc.(NYSE: RDN) is a trusted, global multi-line specialty insurer, built to empower confident business decisions around the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Capspecialtycapspecialty.com HQ: Middleton, WI, United StatesReported employees: 201-500 | Middleton, WI, United States | 201-500 | Exact match | 1,145 contacts → |
“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 description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pure Insurancepureins.co HQ: White Plains, NY, United StatesReported employees: 501-1,000 | White Plains, NY, United States | 501-1,000 | Exact match | 1,116 contacts → |
“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 description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  American Modern Insurance Groupamig.comHQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 1,113 contacts → |
“American Modern provides insurance solutions for customers who need coverage not readily found in the general market.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Safety Nationalsafetynational.comHQ: St. Louis, MO, United StatesReported employees: 501-1,000 | St. Louis, MO, United States | 501-1,000 | Exact match | 1,008 contacts → |
“Safety National is a leading specialty insurance and reinsurance provider.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sagesuresagesure.comHQ: Jersey City, NJ, United StatesReported employees: 1,001-5,000 | Jersey City, NJ, United States | 1,001-5,000 | Exact match | 877 contacts → |
“SageSure is building the world’s leading catastrophe-risk franchise.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  AF - Groupafgroup.comHQ: Lansing, MI, United StatesReported employees: 1,001-5,000 | Lansing, MI, United States | 1,001-5,000 | Exact match | 748 contacts → |
“AF Group is a nationally recognized holding company whose affiliated insurance companies are premier providers of specialty insurance solutions offered through independent agents…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kinsale Insurancekinsaleins.com HQ: Richmond, VA, United StatesReported employees: 501-1,000 | Richmond, VA, United States | 501-1,000 | Exact match | 653 contacts → |
“Kinsale Insurance is an excess and surplus (E&S) lines insurance company located in Richmond, VA specializing in hard-to-place property, casualty, and specialty risks.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Skyward Specialty Insuranceskywardinsurance.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 561 contacts → |
“Skyward Specialty is a rapidly growing and innovative specialty insurance company, delivering commercial P&C products and solutions on a non-admitted and admitted basis.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Fortegrafortegra.comHQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 553 contacts → |
“For more than 45 years, Fortegra and its subsidiaries have delivered risk management solutions that help people and businesses succeed in the face of uncertainty.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Brown & Ridingbrownandriding.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 469 contacts → |
“Brown & Riding was founded in 1980 and is one of the largest wholesale insurance brokerage firms in the United States.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,000 company matches
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Specialty insurance underwriting firms: dataset insights
September 18, 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
999 records in the displayed employee bands.
1 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 1,000 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 18, 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 ↗
Specialty insurance underwriting firms by metro
Questions about this company list
What does Exact match mean for specialty insurance underwriting firms?
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 specialty insurance underwriting firms did RevenueBase find based in the United States?
The saved snapshot records 1,000 matching company records, 67,968 tracked contacts and 34,153 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 18, 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
Specialty insurance underwriting firms by geography
- Specialty insurance underwriting firms based in Dallas, United States
- Specialty insurance underwriting firms based in Houston, United States
- Specialty insurance underwriting firms based in New York, United States
- Specialty insurance underwriting firms based in Australia
- Specialty insurance underwriting firms based in Brazil
- Specialty insurance underwriting firms based in Canada
- Specialty insurance underwriting firms based in France
- Specialty insurance underwriting firms based in Germany
- Specialty insurance underwriting firms based in Italy
- Specialty insurance underwriting firms based in South Africa
- Specialty insurance underwriting firms based in Spain
- Specialty insurance underwriting firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 specialty insurance underwriting firms based in the United States. Snapshot: September 18, 2026. https://revenuebase.ai/companies/specialty-insurance-underwriting-firms/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
- Specialty insurance underwriting firms based in Dallas, United States
- Specialty insurance underwriting firms based in Houston, United States
- Specialty insurance underwriting firms based in New York, United States
- Specialty insurance underwriting firms based in Australia
- Specialty insurance underwriting firms based in Brazil
- Specialty insurance underwriting firms based in Canada
Company intelligence · public preview
Top 25 specialty insurance underwriting firms based in the United States
RevenueBase records 1,000 matching company records for specialty insurance underwriting firms based in the United States, with 67,968 tracked contacts and 34,153 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 18, 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 specialty insurance underwriting firms 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 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CRC Groupcrcgroup.com HQ: Charlotte, NC, United StatesReported employees: 5,001-10,000 | Charlotte, NC, United States | 5,001-10,000 | Exact match | 2,959 contacts → |
“CRC Group is all about progress.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | RT Specialtyrtspecialty.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 2,955 contacts → |
“RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Arch Insurance Group INCarchinsurance.com HQ: Jersey City, NJ, United StatesReported employees: 1,001-5,000 | Jersey City, NJ, United States | 1,001-5,000 | Exact match | 2,704 contacts → |
“Arch Insurance Group Inc, a division of Arch Capital Group Ltd.(ACGL), is a market-leading specialty insurer.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | RLI Insurance Companyrlicorp.com HQ: Peoria, IL, United StatesReported employees: 1,001-5,000 | Peoria, IL, United States | 1,001-5,000 | Exact match | 1,386 contacts → |
“RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Radianradian.com HQ: Wayne, PA, United StatesReported employees: 1,001-5,000 | Wayne, PA, United States | 1,001-5,000 | Exact match | 1,262 contacts → |
“Radian Group Inc.(NYSE: RDN) is a trusted, global multi-line specialty insurer, built to empower confident business decisions around the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Capspecialtycapspecialty.com HQ: Middleton, WI, United StatesReported employees: 201-500 | Middleton, WI, United States | 201-500 | Exact match | 1,145 contacts → |
“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 description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pure Insurancepureins.co HQ: White Plains, NY, United StatesReported employees: 501-1,000 | White Plains, NY, United States | 501-1,000 | Exact match | 1,116 contacts → |
“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 description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | American Modern Insurance Groupamig.com HQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 1,113 contacts → |
“American Modern provides insurance solutions for customers who need coverage not readily found in the general market.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Safety Nationalsafetynational.com HQ: St. Louis, MO, United StatesReported employees: 501-1,000 | St. Louis, MO, United States | 501-1,000 | Exact match | 1,008 contacts → |
“Safety National is a leading specialty insurance and reinsurance provider.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sagesuresagesure.com HQ: Jersey City, NJ, United StatesReported employees: 1,001-5,000 | Jersey City, NJ, United States | 1,001-5,000 | Exact match | 877 contacts → |
“SageSure is building the world’s leading catastrophe-risk franchise.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | AF - Groupafgroup.com HQ: Lansing, MI, United StatesReported employees: 1,001-5,000 | Lansing, MI, United States | 1,001-5,000 | Exact match | 748 contacts → |
“AF Group is a nationally recognized holding company whose affiliated insurance companies are premier providers of specialty insurance solutions offered through independent agents…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kinsale Insurancekinsaleins.com HQ: Richmond, VA, United StatesReported employees: 501-1,000 | Richmond, VA, United States | 501-1,000 | Exact match | 653 contacts → |
“Kinsale Insurance is an excess and surplus (E&S) lines insurance company located in Richmond, VA specializing in hard-to-place property, casualty, and specialty risks.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Skyward Specialty Insuranceskywardinsurance.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 561 contacts → |
“Skyward Specialty is a rapidly growing and innovative specialty insurance company, delivering commercial P&C products and solutions on a non-admitted and admitted basis.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fortegrafortegra.com HQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 553 contacts → |
“For more than 45 years, Fortegra and its subsidiaries have delivered risk management solutions that help people and businesses succeed in the face of uncertainty.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Brown & Ridingbrownandriding.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 469 contacts → |
“Brown & Riding was founded in 1980 and is one of the largest wholesale insurance brokerage firms in the United States.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Specialty insurance underwriting firms: dataset insights
September 18, 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
999 records in the displayed employee bands.
1 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 1,000 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 18, 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 ↗
Specialty insurance underwriting firms by metro
Questions about this company list
What does Exact match mean for specialty insurance underwriting firms?
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 specialty insurance underwriting firms did RevenueBase find based in the United States?
The saved snapshot records 1,000 matching company records, 67,968 tracked contacts and 34,153 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 18, 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
Specialty insurance underwriting firms by geography
- Specialty insurance underwriting firms based in Dallas, United States
- Specialty insurance underwriting firms based in Houston, United States
- Specialty insurance underwriting firms based in New York, United States
- Specialty insurance underwriting firms based in Australia
- Specialty insurance underwriting firms based in Brazil
- Specialty insurance underwriting firms based in Canada
- Specialty insurance underwriting firms based in France
- Specialty insurance underwriting firms based in Germany
- Specialty insurance underwriting firms based in Italy
- Specialty insurance underwriting firms based in South Africa
- Specialty insurance underwriting firms based in Spain
- Specialty insurance underwriting firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 specialty insurance underwriting firms based in the United States. Snapshot: September 18, 2026. https://revenuebase.ai/companies/specialty-insurance-underwriting-firms/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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- Specialty insurance underwriting firms based in Dallas, United States
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