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AM BEST'S MONTHLY INSURANCE MAGAZINE



Best's Rankings
Top 25 U.S. Inland Marine Writers — 2021 Edition

The insurers were ranked by 2020 direct premiums written.

($ Thousands)

2020
Rank
2019
Rank
Company / Group AMB# 2020
Direct
Premiums
Written
%
Change in
Premiums
Market Share (%) Adjusted Loss Ratios % of
Company
Premiums
2020 2019 2018 2020 2019 2018
1 1 Liberty Mutual Ins Cos 000060 $3,867,057 2.2 14.9 14.3 14.4 73.4 66.8 62.9 10.7
2 2 CNA Ins Cos 018313 3,526,965 -0.1 13.6 13.3 15.1 66.8 58.0 51.0 30.0
3 4 Chubb INA Group 018498 1,528,335 12.9 5.9 5.1 5.2 79.7 50.7 53.0 6.3
4 3 Amer Intl Group 018540 1,105,107 -32.8 4.3 6.2 6.6 39.2 41.6 11.7 8.2
5 7 Assurant P&C Group 018523 1,046,305 -10.7 4.0 4.4 3.2 33.5 40.4 54.3 12.6
6 6 FM Global Group 018502 982,971 -17.2 3.8 4.5 4.5 79.2 32.9 46.3 19.1
7 8 Nationwide Group 005987 957,525 11.0 3.7 3.3 3.1 69.5 64.7 63.1 5.2
8 5 Allianz US PC Ins Companies 018429 842,580 -33.2 3.3 4.8 4.5 108.3 41.9 42.1 16.7
9 10 Zurich Ins US PC Group 018549 758,015 10.4 2.9 2.6 2.7 37.5 28.8 35.6 5.6
10 9 Travelers Group 018674 750,870 -1.2 2.9 2.9 3.0 51.0 48.2 51.5 2.6
11 11 State Farm Group 000088 678,162 4.7 2.6 2.5 2.6 44.9 42.6 42.1 1.0
12 12 Progressive Ins Group 000780 565,775 17.6 2.2 1.8 1.7 50.5 42.2 52.1 1.3
13 14 XL Reins America Group 018557 480,226 18.0 1.9 1.5 1.5 63.2 63.9 79.1 6.8
14 17 Amer Pet Ins Co 013860 458,559 36.3 1.8 1.3 1.1 65.7 65.2 64.9 100.0
15 15 Great Amer P & C Ins Group 004835 380,415 7.2 1.5 1.3 1.3 40.3 34.8 38.5 5.7
16 16 Markel Corp Group 018468 365,833 4.5 1.4 1.3 1.2 47.3 48.1 44.3 6.0
17 13 Fairfax Financial (USA) Group 003116 307,149 -26.7 1.2 1.6 1.5 66.4 61.6 64.2 4.1
18 20 USAA Group 004080 301,863 -0.3 1.2 1.2 1.2 25.2 29.9 44.2 1.2
19 18 Old Republic Ins Group 000734 298,455 -6.3 1.2 1.2 1.4 30.6 31.2 38.1 6.2
20 21 Hanover Ins Group Prop & Cas Cos 004861 288,022 4.6 1.1 1.0 1.0 41.0 46.5 50.0 5.6
21 22 Hartford Ins Group 000048 248,078 -7.8 1.0 1.0 1.0 49.5 58.8 56.2 2.0
22 28 IAT Ins Group 018567 238,186 15.6 0.9 0.8 0.7 18.9 14.4 17.9 16.0
23 25 Jewelers Mutual Ins Group 018905 233,976 7.3 0.9 0.8 0.8 30.1 40.2 34.4 88.9
24 23 Fortegra P&C Group 018686 229,025 -7.5 0.9 0.9 0.9 11.6 6.8 10.1 29.8
25 34 OH Indemnity Co 004813 224,854 42.2 0.9 0.6 0.6 51.0 51.5 39.2 56.1
Top 25 Writers $20,664,308 -3.4 79.6 80.9 81.4 61.1 50.6 48.8 5.9
Total U.S. P/C Industry $25,947,205 -1.9 100.0 100.0 100.0 63.8 49.0 47.3 3.6

Note: Data for some companies in this report has been received from the NAIC.

Reflects Grand Total (includes Canada and U.S. Territories).

Source: BestLink logo — State/Line (P/C Lines) - P/C, US; data as of: Oct. 1, 2021



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