Who writes ocean marine in Connecticut
Top insurer groups from the NAIC market share report; the state's list carries no lines of authority.
Allianz Insurance Group wrote the most ocean marine in Connecticut in 2025, $18.4M and 18.3% of the state's premium; the top five groups hold 57%. 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
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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