Top 10 Writers Of Workers' Compensation Insurance By Direct Premiums Written, 2020

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Travelers Companies Inc. $3,737,454 7.3%
2 Hartford Financial Services 2,992,054 5.9
3 Zurich Insurance Group 2,495,405 4.9
4 Chubb Ltd. 2,294,598 4.5
5 Liberty Mutual 2,140,149 4.2
6 Berkshire Hathaway Inc. 1,998,778 3.9
7 AmTrust Financial 1,956,224 3.8
8 Accident Fund Group 1,668,319 3.3
9 New York State Insurance Fund Workers' Compensation Fund 1,610,727 3.2
10 Old Republic International Corp. 1,301,262 2.6
(1) Before reinsurance transactions, includes state funds. (2) Based on U.S. total, includes territories. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.