Directory · Missouri · Warranty

Who writes warranty in Missouri

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

Zurich Insurance Group wrote the most warranty in Missouri in 2025, $11.2M and 32.1% of the state's premium; the top five groups hold 83%. Missouri'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 Missouri page.

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

Top 10 · NAIC table: 30 - Warranty

The insurer groups that write the most warranty in Missouri

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	Zurich Insurance Group	$11.2M	32.07%	68%	Zurich American Insurance Company, Rural Community Insurance Company, American Zurich Insurance Company, American Guarantee and Liability Insurance Company
2	Revolutionary Holding Co. Group	$8.3M	23.59%	0%	Lexington National Insurance Corporation, Concord Specialty Insurance Company
3	Old Republic Group	$3.3M	9.50%	98%	Old Republic Insurance Company, Great West Casualty Company, BITCO General Insurance Corporation, Pennsylvania Manufacturers' Association Insurance Company
4	Industrial Alliance Group	$3.1M	8.98%	67%	Dealers Assurance Company
5	Tiptree Financial Group	$3.0M	8.56%	—	Lyndon Southern Insurance Company, Response Indemnity Company of California, Fortegra Specialty Insurance Company, Insurance Company of the South
6	Amtrust Financial Serv Group	$2.5M	7.04%	72%	Wesco Insurance Company, Technology Insurance Company, Inc., Security National Insurance Company, AmTrust Insurance Company
7	Cna Insurance Group	$1.9M	5.53%	290%	Continental Casualty Company, Continental Insurance Company, (The), American Casualty Company of Reading, Pennsylvania, National Fire Insurance Company of Hartford
8	Dai-Ichi Life Holdings Inc Group	$522,000	1.49%	78%	PROTECTIVE PROPERTY \u0026 CASUALTY INSURANCE COMPANY
9	Nationwide Corporation Group	$254,000	0.73%	52%	Nationwide Mutual Insurance Company, Nationwide Insurance Company of America, National Casualty Company, Nationwide General Insurance Company
10	Progressive Group	$238,000	0.68%	14%	Progressive County Mutual Insurance Company, United Financial Casualty Company, Progressive Universal Insurance Company, Progressive Direct Insurance Company

Turned down?

Last resort for warranty in Missouri

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 Missouri insurance regulator company list, read 2026-10-18 and the surplus lines list. Admitted = every ACTIVE Missouri licensee (P&C, life, health, HMO, TPA, warranty, prepaid dental, etc.); filter on type. 'type' is the license Description from each company's detail page (e.g. 'Property and Casualty (Ch 379, RSMo)'); where a detail page was not read, type comes from Missouri market-share membership and is suffixed '(market share)'. 'lines' = lines of business with non-zero direct written premium in the 2025 Missouri market share report (licensed companies only). 'domicile' is only known for companies in the market share report. 'since' = Date Admitted from the detail page. Surplus lines list carries no NAIC code; naic filled by exact normalized-name match (naic_source says where), alien = domicile not a US state code. Detail-page crawl in progress; this file will be rewritten when it finishes. "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.

Open to use. Cite "Alishahi Insurance insurance company directory" and link here. CSV · JSON.

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