Top 10 Writers of Inland Marine Insurance By Direct Premiums Written, 2022

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Liberty Mutual $4,150,926 12.5%
2 CNA Financial Corp. 3,385,489 10.2
3 Chubb Ltd. 2,011,152 6.1
4 Allianz Group 1,843,091 5.6
5 American International Group (AIG) 1,607,604 4.9
6 Nationwide Mutual Group 1,300,116 3.9
7 Zurich Insurance Group 1,272,625 3.8
8 Assurant Inc. 1,221,010 3.7
9 Travelers Companies Inc. 860,072 2.6
10 Trupanion Inc. 818,629 2.5
(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.