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Top 25 U.S. Excess and Surplus Lines Groups by Direct Premiums Written, 2023 (1)

($000)
Rank Group Direct premiums written Percent of total
U.S. surplus lines market
1 Berkshire Hathaway Inc. (SNL P&C Group) $8,391,659 9.7%
2 AIG (SNL P&C Group) 4,955,259 5.7
3 Fairfax Financial (SNL P&C Group) 4,044,650 4.7
4 Markel (SNL P&C Group) 3,681,288 4.3
5 W. R. Berkley Corp. (SNL P&C Group) 3,611,200 4.2
6 Chubb (SNL P&C Group) 3,178,987 3.7
7 Nationwide (SNL P&C Group) 2,844,244 3.3
8 STARR Cos. (SNL P&C Group) 2,706,675 3.1
9 Liberty Mutual (SNL P&C Group) 2,130,148 2.5
10 AXA SA (SNL P&C Group) 1,956,785 2.3
11 AXIS (SNL P&C Group) 1,945,296 2.2
12 Sompo (SNL P&C Group) 1,940,287 2.2
13 Kinsale Insurance Co. 1,568,275 1.8
14 Munich Re (SNL P&C Group) 1,543,921 1.8
15 Tokio Marine (SNL P&C Group) 1,536,630 1.8
16 CNA (SNL P&C Group) 1,479,996 1.7
17 Arch Capital (SNL P&C Group) 1,466,784 1.7
18 Zurich (SNL P&C Group) 1,452,880 1.7
19 StarStone (SNL P&C Group) 1,402,161 1.6
20 Travelers (SNL P&C Group) 1,384,664 1.6
21 Great American Insurance (SNL P&C Group) 1,272,800 1.5
22 Everest Re (SNL P&C Group) 1,250,621 1.4
23 Trisura Group Ltd. (SNL P&C Group) 1,236,272 1.4
24 The Hartford (SNL P&C Group) 1,174,102 1.4
25 James River Group Hldgs Ltd. (SNL P&C Group) 1,082,405 1.3

(1) Excludes Lloyd’s of London and territories.

Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.

Top 25 U.S. Surplus Lines Groups By Direct Premiums Written, 2022

($000)
Rank Group Direct premiums written Percent of total
U.S. surplus lines market
  Lloyd’s Market (1) $15,482,880 15.7%
1 Berkshire Hathaway Insurance Group 6,903,760 7.0
2 American International Group 4,536,819 4.6
3 Markel Corporation Group 3,835,872 3.9
4 Fairfax Financial (USA) Group 3,783,062 3.8
5 W. R. Berkley Insurance Group 3,213,665 3.3
6 Nationwide Group 2,785,549 2.8
7 Chubb INA Group 2,780,635 2.8
8 Liberty Mutual Insurance Companies 2,254,098 2.3
9 XL Reinsurance America Group 2,030,901 2.1
10 Sompo Holdings U.S. Group 1,823,881 1.9
11 Starr International Group 1,821,426 1.8
12 AXIS U.S. Operations 1,577,992 1.6
13 Tokio Marine U.S. PC Group 1,500,711 1.5
14 Zurich Insurance U.S. PC Group 1,343,725 1.4
15 Arch Insurance Group 1,338,455 1.4
16 CNA Insurance Companies 1,250,983 1.3
17 QBE North America Insurance Group 1,227,653 1.2
18 Everest Re U.S. Group 1,175,218 1.2
19 Trisura US Insurance Group 1,172,170 1.2
20 Munich-American Companies 1,126,378 1.1
21 Kinsale Insurance Co. 1,102,092 1.1
22 Great American P&C Insurance Group 1,082,312 1.1
23 Hartford Insurance Group 1,039,714 1.1
24 James River Group 971,335 1.0
25 Travelers Group  968,761 1.0
  Total, top 25 $52,647,167 53.5%
  Total, top 25 and Lloyd’s $68,130,047 69.2%
  Total U.S. surplus lines market $98,487,878 100.0%

(1) Because Lloyd’s Market company structure differs from traditional insurance companies, AM Best does not include it in the ranking in this chart.

Source: ©AM Best – used with permission.

Top 25 U.S. Surplus Lines Groups By Direct Premiums Written, 2021

($000)
Rank Group Direct premiums written  Percent of total U.S. surplus lines market
  Lloyd’s Market (1) $13,871,953 16.8%
1 Berkshire Hathaway Ins. Group 4,212,256 5.0
2 American International Group 4,177,807 5.0
3 Markel Corporation Group 3,530,213 4.2
4 Fairfax Financial (USA) Group 2,997,286 3.6
5 W. R. Berkley Insurance Group 2,820,382 3.4
6 Nationwide Group 2,611,335 3.1
7 Chubb INA Group 2,442,535 2.9
8 Liberty Mutual Insurance Companies 2,208,819 2.6
9 XL Reinsurance America Group 1,906,397 2.3
10 Alleghany Insurance Holdings Group 1,660,032 2.0
11 Sompo Holdings U.S. Group 1,624,567 1.9
12 Starr International Group 1,440,373 1.7
13 QBE North America Insurance Group 1,284,541 1.5
14 Tokio Marine U.S. PC Group 1,258,541 1.5
15 AXIS U.S. Operations 1,243,936 1.5
16 Zurich Insurance U.S. PC Group 1,195,708 1.4
17 Everest Re U.S. Group 1,063,466 1.3
18 Argo Group 1,061,974 1.3
19 CNA Insurance Companies 1,029,061 1.2
20 Great American P&C Insurance Group 984,303 1.2
21 Arch Insurance Group 963,358 1.2
22 Hartford Insurance Group 947,578 1.1
23 Travelers Group  906,111 1.1
24 Munich-American Companies 875,991 1.0
25 James River Group 870,944 1.0
  Total, top 25 $45,317,514 54.8%
  Total, top 25 and Lloyd’s $59,189,467 71.6%
  Total U.S. surplus lines market $82,652,576 100.0%

(1) Because Lloyd’s Market company structure differs from traditional insurance companies, AM Best does not include it in the ranking in this chart.

Source: ©AM Best – used with permission.

Top 25 U.S. Surplus Lines Groups By Direct Premiums Written, 2020

($000)
Rank Group Direct premiums written Percent of total U.S. surplus lines market
  Lloyd’s Market (1) $12,821,000 19.4%
1 Berkshire Hathaway Ins. Group 3,558,566 5.4
2 American International Group 3,549,588 5.4
3 Markel Corporation Group 2,790,649 4.2
4 W. R. Berkley Insurance Group 2,261,045 3.4
5 Nationwide Group 2,246,189 3.4
6 Fairfax Financial (USA) Group 2,173,119 3.3
7 Chubb INA Group 1,939,963 2.9
8 Liberty Mutual Insurance Companies 1,706,466 2.6
9 XL Reinsurance America Group 1,664,981 2.5
10 Alleghany Insurance Holdings Group 1,664,061 1.9
11 Sompo Holdings U.S. Group 1,187,912 1.8
12 Zurich Insurance U.S. PC Group 1,118,023 1.7
13 Starr International Group 1,081,104 1.6
14 Argo Group 1,015,479 1.5
15 QBE North America Insurance Group 959,513 1.5
16 Tokio Marine U.S. PC Group 939,520 1.4
17 AXIS U.S. Operations 931,474 1.4
18 Great American P&C Insurance Group 761,969 1.2
19 Hartford Insurance Group 752,179 1.1
20 James River Group 736,316 1.1
21 CNA Insurance Companies 735,742 1.1
22 Allianz U.S. PC Insurance Companies 715,038 1.1
23 Everest Re U.S. Group 711,912 1.1
24 Arch Insurance Group 699,864 1.1
25 Travelers Group  682,465 1.0
  Total, top 25 $36,204,137 54.8%
  Total, top 25 and Lloyd’s $49,025,137 74.2%
  Total U.S. surplus lines market $66,102,486 100.0%

(1) Because Lloyd’s Market company structure differs from traditional insurance companies, AM Best does not include it in the ranking in this chart.

Source: ©A.M.Best – used with permission.

Top 25 U.S. Surplus Lines Groups By Direct Premiums Written, 2019

($000)
Rank Group Direct premiums written Percent of total
U.S. surplus lines market
  Lloyd’s Market (1) $12,477,000 22.5%
1 American International Group 2,946,471 5.3
2 Markel Corporation Group 2,747,110 5.0
3 Berkshire Hathaway Ins. Group 2,341,442 4.2
4 W. R. Berkley Insurance Group 2,048,959 3.7
5 Nationwide Group 2,034,571 3.7
6 Fairfax Financial (USA) Group 1,764,026 3.2
7 Chubb INA Group 1,649,400 3.0
8 AXA U.S. Group 1,582,356 2.9
9 Liberty Mutual Insurance Companies 1,510,361 2.7
10 Alleghany Insurance Holdings Group 1,057,411 1.9
11 James River Group 949,659 1.7
12 Argo Group 948,881 1.7
13 Tokio Marine U.S. PC Group 895,637 1.6
14 Starr International Group 872,251 1.6
15 Sompo Holdings U.S. Group 858,741 1.5
16 Zurich Financial Services Group NA 813,298 1.5
17 QBE Americas Group 810,066 1.5
18 AXIS U.S. Operations 770,726 1.4
19 Hartford Insurance Group 729,707 1.3
20 Great American P&C Group 688,103 1.2
21 Swiss Reinsurance Group 676,036 1.2
22 CNA Insurance Companies 613,541 1.1
23 Everest Re U.S. Group 584,836 1.1
24 Arch Insurance Group 567,964 1.0
25 Aspen U.S. Insurance Group 544,148 1.0
  Total, top 25 $31,005,711 78.4%
  Total U.S. surplus lines market $55,484,985 100.0%

(1) Because Lloyd’s Market company structure differs from traditional insurance companies, AM Best does not include it in the ranking in this chart.

Source: ©A.M.Best – used with permission.

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.

Top 25 U.S Surplus Lines Groups By Direct Premiums Written, 2017

($000)
Rank Group Direct premiums written Percent of total U.S. surplus lines market
1 Lloyd’s $10,325,000 23.0%
2 American International Group (1) 3,239,996 7.2
3 Markel Corporation Group 2,167,568 4.8
4 Nationwide Group 1,737,150 3.9
5 W. R. Berkley Insurance Group 1,698,541 3.8
6 Berkshire Hathaway Ins. Group 1,503,234 3.3
7 Chubb INA Group 1,445,248 3.2
8 Fairfax Financial (USA) Group 1,305,476 2.9
9 Liberty Mutual Insurance Companies 1,288,834 2.9
10 XL Catlin America Group 1,142,292 2.5
11 Zurich Financial Services Group NA  1,135,953 2.5
12 Alleghany Insurance Holdings Group 790,305 1.8
13 Argo Group 723,869 1.6
14 Tokio Marine U.S. PC Group 688,481 1.5
15 AXIS U.S. Operations 681,015 1.5
16 Sompo Holdings U.S. Group 671,194 1.5
17 QBE Americas Group 642,289 1.4
18 Great American P & C Group 600,356 1.3
19 CNA Insurance Companies 568,441 1.3
20 Aspen U.S. Insurance Group 539,155 1.2
21 James River Group 530,077 1.2
22 Swiss Reinsurance Group 485,098 1.1
23 Arch Insurance Group 469,965 1.0
24 Starr International Group 425,901 0.9
25 Navigators Insurance Group 411,553 0.9
  Total, top 25 $35,216,991 78.5%
  Total U.S. surplus lines market $44,878,931 100.0%

(1) Does not include direct surplus lines premium moved to offshore affiliate AIG Europe, Ltd.

Source: A.M. Best data and research.

Top 25 U.S Surplus Lines Groups By Direct Premiums Written, 2016

($000)
Rank Group Direct written premiums Percent of total U.S.
surplus lines market
1 Lloyd’s $9,607,000 22.6%
2 American International Group (1) 3,765,349 8.9
3 Nationwide Group 1,727,403 4.1
4 W. R. Berkley Insurance Group 1,724,012 4.1
5 Chubb INA Group 1,479,874 3.5
6 Markel Corporation Group 1,233,685 2.9
7 Berkshire Hathaway Ins. Group 1,183,762 2.8
8 Zurich Financial Services NA Group 1,163,854 2.7
9 XL Catlin America Group 1,124,186 2.6
10 Fosun US Group  870,585 2.1
11 Alleghany Ins. Holdings Group 761,190 1.8
12 Fairfax Financial (USA) Group 734,786 1.7
13 Argo Group 676,625 1.6
14 Tokio Marine US PC Group 639,859 1.5
15 State National Group 638,735 1.5
16 AXIS Insurance Group 625,012 1.5
17 CNA Insurance Companies 615,516 1.5
18 QBE Americas Group 613,359 1.4
19 Great American P & C Ins. Group 571,358 1.3
20 Arch Insurance Group 526,177 1.2
21 Allied World Assurance Group 515,243 1.2
22 Endurance Specialty Group  489,253 1.2
23 Aspen US Insurance Group 471,821 1.1
24 Starr International Group 442,288 1.0
25 Swiss Reinsurance Group 394,328 0.9
  Total, top 25 $32,595,260 76.8%
  Total U.S. surplus lines market $42,425,277 100.0%

(1) Does not include direct surplus lines premium moved to offshore affiliate AIG Europe, Ltd.

Source: A.M. Best data and research.