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Directory · Connecticut · Inland marine

Who writes inland marine in Connecticut

Top insurer groups from the NAIC market share report; the state's list carries no lines of authority.

Liberty Mutual Group wrote the most inland marine in Connecticut in 2025, $60.9M and 13.4% of the state's premium; the top five groups hold 44%. Connecticut's company list doesn't say which lines each company is licensed for, so the ranking below is the NAIC's top 10 groups; every licensed company is on the Connecticut page.

By Sam Alishahi, independent insurance broker · All lines in Connecticut

Top 10 · NAIC table: 09.1 - Inland Marine

The insurer groups that write the most inland marine in Connecticut

Top 10 insurer groups by direct premium written in 2025, from the NAIC's Market Share Reports for Property/Casualty Groups and Companies by State. A group is the parent and its insurance companies together; share is the group's part of the state total for the line; loss ratio is losses incurred over premium earned.

#Insurer groupPremium writtenShareLoss ratioMember companies here
1Liberty Mutual Group$60.9M13.38%29%Safeco Insurance Company of America, Liberty Insurance Underwriters, Inc., Liberty Mutual Fire Insurance Company, Liberty County Mutual Insurance Company
2Chubb Ltd Group$48.6M10.68%14%Federal Insurance Company, Ace American Insurance Company, Ace Property and Casualty Insurance Company, Chubb Lloyd's Insurance Company of Texas
3American International Group$36.9M8.10%14%National Union Fire Insurance Company of Pittsburgh, Pennsylvania, AIG Property Casualty Company, Lexington Insurance Company, AIU Insurance Company
4Allianz Insurance Group$30.1M6.62%21%Allianz Global Risks US Insurance Company, Jefferson Insurance Company, Fireman's Fund Insurance Company, AGCS Marine Insurance Company
5Cna Insurance Group$25.4M5.58%36%Continental Casualty Company, Continental Insurance Company, (The), American Casualty Company of Reading, Pennsylvania, National Fire Insurance Company of Hartford
6Markel Group$17.0M3.72%29%State National Insurance Company, Inc., Markel Insurance Company, Markel American Insurance Company, Essentia Insurance Company
7Axa Insurance Group$15.6M3.43%10%XL Specialty Insurance Company, XL Insurance America, Inc., Greenwich Insurance Company, |Indian Harbor Insurance Company
8Travelers Group$12.8M2.82%34%Travelers Property Casualty Company of America, Standard Fire Insurance Company (The), Travelers Personal Insurance Company, Travelers Casualty and Surety Company of America
9Generali Group$12.1M2.65%32%Generali (United States Branch)
10Swiss Re Group$11.5M2.53%27%Swiss Re Corporate Solutions Elite Insurance Corporation, Swiss Re Corporate Solutions America Insurance Corporation, Swiss Re Corporate Solutions Capacity Insurance Corporation, Swiss Re Corporate Solutuions Premier Insurance Corporation
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Last resort for inland marine in Connecticut

Last resortLinesWhereHow to get in
Surplus lines and Lloyd's open marketallall states, under each state's diligent-search rulesThrough surplus lines wholesalers; commercial property and liability have no guaranteed plan, so this is their last stepSource

Method and source

Source: the Connecticut insurance regulator company list, read 2026-10-18 and the surplus lines list. CT Insurance Department PDF 'List of Licensed Insurance Companies, Approved/Accredited Reinsurers and Surplus Lines Insurers in Connecticut' as of September 30, 2026. One document covers everything: 'admitted' here is every row whose company type is not 'Excess and Surplus Lines', with the type kept as given so the merge can filter (type == 'Property Casualty' for admitted P&C; 'Life plus Accident and Health', 'Title', 'Fraternal Benefit Society', 'Health Care Centers', 'Mortgage Guaranty' are other lines; 'Accredited', 'Reciprocal Jurisdiction', 'Reinsurance', 'Trusts', 'Pools' rows are reinsurers/trusts, not licensed primary insurers). No lines of authority are published, so 'lines' is always [] and 'since' is always ''. Company names are clipped at the PDF column width (roughly 40 characters, e.g. 'Accident Fund Insurance Company of'), so match on NAIC code; alien insurers, pools and reciprocal-jurisdiction reinsurers carry no NAIC code. Surplus lines 'eligible' date is not published. Type counts: Property Casualty=857, Life plus Accident and Health=386, Excess and Surplus Lines=265, Reciprocal Jurisdiction=63, Accredited=44, Fraternal Benefit Society=34, Title=21, Reinsurance (Property-=20, Certified Reinsurer=18, Trusts=14, Mortgage Guaranty=14, Health Care Centers=13, Pools and Associations=10, Pool=8, Reinsurance (Life)=8, Domicile w/ Similar Statutes=3 "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.

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