Directory · Indiana · Workers' compensation

Who writes workers' compensation in Indiana

Top insurer groups from the NAIC market share report; the state's own licensed-company list isn't available in a form a program can read.

Travelers Group wrote the most workers' compensation in Indiana in 2025, $54.9M and 6.7% of the state's premium; the top five groups hold 28%. Indiana doesn't publish a machine-readable list of every licensed company, so the ranking below is the NAIC's top 10 groups.

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

Top 10 · NAIC table: 16 - Workers Compensation

The insurer groups that write the most workers' compensation in Indiana

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	Travelers Group	$54.9M	6.72%	73%	Travelers Property Casualty Company of America, Standard Fire Insurance Company (The), Travelers Personal Insurance Company, Travelers Casualty and Surety Company of America
2	Bcbs of Mi Group	$54.7M	6.70%	52%	Accident Fund Insurance Company of America, Star Insurance Company, Compwest Insurance Company, Accident Fund General Insurance Company
3	Liberty Mutual Group	$42.9M	5.24%	2%	Safeco Insurance Company of America, Liberty Insurance Underwriters, Inc., Liberty Mutual Fire Insurance Company, Liberty County Mutual Insurance Company
4	Zurich Insurance Group	$42.4M	5.18%	80%	Zurich American Insurance Company, Rural Community Insurance Company, American Zurich Insurance Company, American Guarantee and Liability Insurance Company
5	American Financial Group	$38.1M	4.66%	44%	Great American Insurance Company, Great American Assurance Company, National Interstate Insurance Company, Great American Alliance Insurance Company
6	Hartford Fire & Casualty Group	$32.4M	3.96%	45%	Hartford Fire Insurance Company, Hartford Underwriters Insurance Company, Hartford Casualty Insurance Company, Twin City Fire Insurance Company (The)
7	Chubb Ltd Group	$32.0M	3.92%	14%	Federal Insurance Company, Ace American Insurance Company, Ace Property and Casualty Insurance Company, Chubb Lloyd's Insurance Company of Texas
8	Old Republic Group	$27.7M	3.39%	52%	Old Republic Insurance Company, Great West Casualty Company, BITCO General Insurance Corporation, Pennsylvania Manufacturers' Association Insurance Company
9	Cincinnati Financial Group	$21.4M	2.61%	44%	Cincinnati Insurance Company (The), Cincinnati Casualty Company (The), Cincinnati Indemnity Company (The), Cincinnati Specialty Underwriters Insurance Company (The)
10	Amerisure Co. Group	$20.7M	2.53%	28%	Amerisure Mutual Insurance Company, Amerisure Insurance Company, Amerisure Partners Insurance Company

Turned down?

Last resort for workers' compensation in Indiana

Last resort	Lines	Where	How to get in
Workers' comp residual markets	workers' comp	NCCI pools in 27 jurisdictions; monopolistic state funds in ND, OH, WA, WY; CA State Compensation Insurance Fund is the statutory last resort	NCCI online application (ACORD 130 and 133); NCCI's VCAP flags voluntary carriers interested in the risk; NC and MA use their own systems Texas has no residual market (coverage is optional for most Texas employers).	Source
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

Top insurer groups from the NAIC market share report; the state's own licensed-company list isn't available in a form a program can read. "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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