Company lists · Data refreshed September 2026

Top 25 Specialty auto insurance companies based in the United States

RevenueBase identified 878 specialty auto insurance companies headquartered in the United States as of September 2026 and tracks 39,473 professional contacts across them, including 11,820 with verified work emails. New York is the largest hub.

This list covers specialty auto insurance companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 18, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 18, 2026 86% judged on-target in blind review
878Companies
39,473Contacts tracked
11,820Verified emails
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The 25 largest specialty auto insurance companies based in the United States

Ranked by team size
Top 25 of 878 specialty auto insurance companies based in the United States, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to specialty auto insurance companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceChicago, IL, United StatesHQ checked Sep 18, 20265,001-10,0005,419 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 18, 2026
2Indirect evidenceBrea, CA, United StatesHQ checked Sep 18, 20265,001-10,0003,186 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 18, 2026
3Indirect evidenceTraverse City, MI, United StatesHQ checked Sep 18, 20261,001-5,0001,594 contacts →

Indirect evidence

“We're Hagerty, and we help enthusiast drivers insure, buy/sell and enjoy their rides.#NeverStopDriving”

Source: RevenueBase Database · checked Sep 18, 2026
4Partial evidencePeoria, IL, United StatesHQ checked Sep 18, 20261,001-5,0001,386 contacts →

Partial evidence

“RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.”

Source: RevenueBase Database · checked Sep 18, 2026
5Partial evidenceHuntington Beach, CA, United StatesHQ checked Sep 18, 20261,001-5,0001,199 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 18, 2026
6Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 18, 20261,001-5,0001,178 contacts →

Indirect evidence

“Esurance has joined forces with Allstate and will no longer be posting updates or responses on this page.”

Source: RevenueBase Database · checked Sep 18, 2026
7Partial evidenceWhite Plains, NY, United StatesHQ checked Sep 18, 2026501-1,0001,116 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 18, 2026
8Partial evidenceCincinnati, OH, United StatesHQ checked Sep 18, 20261,001-5,0001,113 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 18, 2026
9Partial evidenceHuntington Beach, CA, United StatesHQ checked Sep 18, 20261,001-5,0001,106 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 18, 2026
10Partial evidenceHuntington Beach, CA, United StatesHQ checked Sep 18, 20261,001-5,000954 contacts →

Partial evidence

“Confie is the largest personal lines insurance agency in the US.”

Source: RevenueBase Database · checked Sep 18, 2026
11Partial evidenceNashville, TN, United StatesHQ checked Sep 18, 2026501-1,000863 contacts →

Partial evidence

“The General Automobile Insurance Services, Inc.(The General®)- - is a licensed insurance agency that is a subsidiary of PGC Holdings Corp.(PGC).”

Source: RevenueBase Database · checked Sep 18, 2026
12Indirect evidenceOmaha, NE, United StatesHQ checked Sep 18, 2026501-1,000820 contacts →

Indirect evidence

“We are National Indemnity Company (NICO).”

Source: RevenueBase Database · checked Sep 18, 2026
13Strong evidenceRichardson, TX, United StatesHQ checked Sep 18, 2026501-1,000722 contacts →

Strong evidence

“GAINSCO Auto Insurance® is a property and casualty insurance company concentrating on the non-standard personal auto insurance market, specializing in minimum-limits personal auto…”

Source: RevenueBase Database · checked Sep 18, 2026
14Strong evidenceWilmington, DE, United StatesHQ checked Sep 18, 20265,001-10,000719 contacts →

Strong evidence

“21st Century Insurance specializes in providing customized auto insurance for each and every customer.”

Source: RevenueBase Database · checked Sep 18, 2026
15Indirect evidenceIndependence, OH, United StatesHQ checked Sep 18, 20261,001-5,000718 contacts →

Indirect evidence

“Bristol West®: The Beginning It all started in Florida in 1973.”

Source: RevenueBase Database · checked Sep 18, 2026
16Strong evidenceSeattle, WA, United StatesHQ checked Sep 18, 2026501-1,000690 contacts →

Strong evidence

“PEMCO Mutual Insurance provides outstanding service and coverage for autos, homes, renters and boats.”

Source: RevenueBase Database · checked Sep 18, 2026
17Indirect evidenceMorristown, NJ, United StatesHQ checked Sep 18, 2026201-500463 contacts →

Indirect evidence

“Coaction Global (Coaction) is an A.M.”

Source: RevenueBase Database · checked Sep 18, 2026
18Strong evidenceDe Pere, WI, United StatesHQ checked Sep 18, 20261,001-5,000429 contacts →

Strong evidence

“CONNECT, powered by American Family Insurance, offers auto, home, condo, renters, umbrella and specialty insurance with exclusive discounts, benefits and Handle With Care®…”

Source: RevenueBase Database · checked Sep 18, 2026
19Partial evidenceFond Du Lac, WI, United StatesHQ checked Sep 18, 2026201-500409 contacts →

Partial evidence

“Society Insurance has been a leading niche insurance carrier since 1915.”

Source: RevenueBase Database · checked Sep 18, 2026
20Strong evidenceNew York, NY, United StatesHQ checked Sep 18, 2026201-500377 contacts →

Strong evidence

“Seneca Insurance Company is a Specialty Property and Casualty Insurance company with thirteen offices across the U.S.”

Source: RevenueBase Database · checked Sep 18, 2026
21Partial evidenceAtlanta, TX, United StatesHQ checked Sep 18, 2026201-500366 contacts →

Partial evidence

“At AssuranceAmerica, our mission is to make quality insurance accessible and affordable for everyone.”

Source: RevenueBase Database · checked Sep 18, 2026
22Strong evidenceLong Beach, NY, United StatesHQ checked Sep 18, 2026201-500327 contacts →

Strong evidence

“Lancer Insurance Company is one of the premier specialty commercial insurance companies in the United States.”

Source: RevenueBase Database · checked Sep 18, 2026
23Partial evidenceBala Cynwyd, PA, United StatesHQ checked Sep 18, 2026201-500300 contacts →

Partial evidence

“GBLI | Global Indemnity provides specialty property and casualty coverage for a wide range of markets-from small business, manufactured homes, and vacant property to agriculture…”

Source: RevenueBase Database · checked Sep 18, 2026
24Indirect evidenceLansing, MI, United StatesHQ checked Sep 18, 2026501-1,000282 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 18, 2026
25Partial evidenceTomball, TX, United StatesHQ checked Sep 18, 2026n/a256 contacts →

Partial evidence

“Our agency writes personal and commercial insurance.”

Source: RevenueBase Database · checked Sep 18, 2026

Showing 25 of 878 specialty auto insurance companies based in the United States

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Specialty auto insurance companies based in the United States at a glance

As of Sep 18, 2026
29.9%Verified-email coverage
45.0Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · New York
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
544
11-50
221
51-200
52
201-500
25
501-1,000
11
1,001-5,000
15
5,001-10,000
4
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 878 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among specialty auto insurance companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “specialty auto insurance companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names specialty auto insurance companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among specialty auto insurance companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 11,820 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names specialty auto insurance companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many specialty auto insurance companies are there based in the United States?

RevenueBase identified 878 specialty auto insurance companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kemper, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most specialty auto insurance companies?

New York leads with 13 headquartered companies, followed by Houston (12) and Dallas (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 11,820 verified decision-maker contacts tracked across these 878 companies.

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.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.