Top 25 U.S Surplus Lines Groups By Direct Premiums Written, 2018

($000)

Rank Group Direct premiums written Percent of total U.S. surplus lines market
  Lloyd's Market $11,755,285 23.6%
1 American International Group 3,548,994 7.1
2 Markel Corporation Group 2,496,504 5.0
3 Berkshire Hathaway Ins. Group 2,198,681 4.4
4 W. R. Berkley Insurance Group 1,808,925 3.6
5 Nationwide Group 1,802,256 3.6
6 Chubb INA Group 1,474,717 3.0
7 AXA U.S. Group 1,443,759 2.9
8 Fairfax Financial (USA) Group 1,410,796 2.8
9 Liberty Mutual Insurance Companies 1,259,268 2.5
10 Alleghany Insurance Holdings Group 889,047 1.8
11 Zurich Financial Services Group NA 857,245 1.7
12 Argo Group 814,328 1.6
13 Tokio Marine U.S. PC Group 786,331 1.6
14 QBE Americas Group 735,075 1.5
15 Sompo Holdings U.S. Group 717,619 1.4
16 AXIS U.S. Operations 684,316 1.4
17 James River Group 661,454 1.3
18 Starr International Group 634,174 1.3
19 Great American P&C Group 633,022 1.3
20 CNA Insurance Companies 572,259 1.1
21 Swiss Reinsurance Group 563,396 1.1
22 Aspen U.S. Insurance Group 545,449 1.1
23 Arch Insurance Group 453,668 0.9
24 Navigators Insurance Group 434,687 0.9
25 Everest Re U.S. Group 410,803 0.8
  Total, top 25 $39,181,255 79.4%
  Total U.S. surplus lines market $49,890,353 100.0%
(1) Because Lloyd’s Market company structure differs from traditional insurance companies, A.M. Best does not include it in the ranking in this chart. Source: AM Best. Used with permission.