Top 10 Writers of Inland Marine Insurance By Direct Premiums Written, 2020

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Liberty Mutual $3,867,057 14.9%
2 CNA Financial Corp. 3,526,965 13.6
3 Chubb Ltd. 1,528,335 5.9
4 American International Group (AIG) 1,105,107 4.3
5 Assurant Inc. 1,026,719 4.0
6 FM Global 982,971 3.8
7 Nationwide Mutual Group 957,525 3.7
8 Allianz Group 842,580 3.3
9 Zurich Insurance Group 758,015 2.9
10 Travelers Companies Inc. 750,870 2.9
(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.