Directory · Wyoming · Aircraft and aviation

Who writes aircraft and aviation in Wyoming

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

Starr Group wrote the most aircraft and aviation in Wyoming in 2025, $2.4M and 16.8% of the state's premium; the top five groups hold 53%. Wyoming'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 Wyoming page.

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

Top 10 · NAIC table: 22 - Aircraft

The insurer groups that write the most aircraft and aviation in Wyoming

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 group	Premium written	Share	Loss ratio	Member companies here
1	Starr Group	$2.4M	16.78%	—	STARR INDEMNITY \u0026 LIABILITY COMPANY, Starr Surplus Lines Insurance Company, Starr Specialty Insurance Company
2	Axa Insurance Group	$2.1M	14.82%	24%	XL Specialty Insurance Company, XL Insurance America, Inc., Greenwich Insurance Company, \|Indian Harbor Insurance Company
3	Sompo Group	$1.0M	7.37%	24%	American Agri-Business Insurance Company, Endurance Assurance Corporation, Endurance American Insurance Company, Sompo America Insurance Company
4	American International Group	$990,000	7.06%	—	National Union Fire Insurance Company of Pittsburgh, Pennsylvania, AIG Property Casualty Company, Lexington Insurance Company, AIU Insurance Company
5	Siriuspoint Group	$981,000	6.99%	18%	SiriusPoint America Insurance Company, SiriusPoint Specialty Insurance Corporation
6	American Financial Group	$778,000	5.55%	217%	Great American Insurance Company, Great American Assurance Company, National Interstate Insurance Company, Great American Alliance Insurance Company
7	Tokio Marine Holdings Inc Group	$689,000	4.92%	—	Philadelphia Indemnity Insurance Company, Privilege Underwriters Reciprocal Exchange, PURE Risk Mgt, Atty-in-Fact, Safety National Casualty Corporation, Producers Agriculture Insurance Company
8	Allianz Insurance Group	$602,000	4.29%	—	Allianz Global Risks US Insurance Company, Jefferson Insurance Company, Fireman's Fund Insurance Company, AGCS Marine Insurance Company
9	Au Holding Co. Group	$584,000	4.17%	171%	\|Texas Insurance Company, Continental Indemnity Company, Pennsylvania Insurance Company, California Insurance Company
10	Iat Reinsurance Co. Group	$560,000	3.99%	8%	SureChoice Underwriters Reciprocal Exchange, OCCIDENTAL FIRE \u0026 CASUALTY COMPANY OF NORTH CAROLINA, Harco National Insurance Company, Elevate Reciprocal Exchange

Turned down?

Last resort for aircraft and aviation in Wyoming

Last resort	Lines	Where	How to get in
Surplus lines and Lloyd's open market	all	all states, under each state's diligent-search rules	Through surplus lines wholesalers; commercial property and liability have no guaranteed plan, so this is their last step	Source

Method and source

Source: the Wyoming insurance regulator company list, read 2026-10-18 and the surplus lines list. Admitted = Wyoming DOI '2025 Property & Casualty AdHoc Com Data Statement Report - run date 06/11/2026' (Google Sheet linked from https://doi.wyo.gov/companies under Company Financial Information > 2025 Financial Summary Information > Property & Casualty*). It lists every company filing a P&C annual statement in Wyoming with its NAIC code and Wyoming direct premium; it is an NAIC ad hoc financial report, not a DOI-labelled 'licensed companies' list, so completeness as a licence roster is inferred (764 companies, 493 with WY premium > 0). P&C only (life, health and title have separate sheets); 'type' is set from the report title, not per row. No domicile, lines of authority or licence dates are given. Surplus lines: Wyoming publishes no eligibility list (https://doi.wyo.gov/companies/surplus-lines); U.S. nonadmitted insurers qualify under NRRA (authorized in domicile, >= $15M capital & surplus), alien insurers must be on the NAIC Quarterly Listing of Alien Insurers (Edition 252, July 1, 2026), read from the SLIP+ mirror because content.naic.org is behind a Cloudflare challenge. Rows carry the NAIC AIIN (e.g. AA-1344102) in 'aiin' with naic left '' (not a 5-digit cocode); 'country' holds the domicile country, 'domicile' is '' (not a U.S. state); 88 alien companies + 104 Lloyd's syndicates; 'eligible' is '' because the listing gives no admission dates; 'footnote' marks NAIC footnotes (3 = RiverStone, run-off, not eligible anywhere; 1 = Chubb Seguros Mexico, ineligible in TX; 4 = Cigna Global, travel medical only). "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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