This Top 100 U.S. Property & Casualty Insurance Companies directory is based on research data from rating agency A.M. Best.
Listing the top property and casualty insurance companies in the United States, this directory provides a simple way to analyse the top P&C insurance companies in the U.S.
The property and casualty insurance groups featured are ranked by net premiums written in 2017. You can sort the table by any of the headings and search it to analyse individual insurance companies.
| Ranking | P/C insurance company name | 2017 Net premiums written (US $ 000) | % change from previous year |
|---|---|---|---|
| 1 | State Farm Group | 64,604,365 | 3.6 |
| 2 | Berkshire Hathaway Ins | 46,006,795 | 18.6 |
| 3 | Allstate Ins Group | 30,560,792 | 2.3 |
| 4 | Liberty Mutual Ins Cos | 28,625,043 | 7.4 |
| 5 | Progressive Ins Group | 27,134,228 | 16.2 |
| 6 | Travelers Group | 24,464,954 | 4.8 |
| 7 | USAA Group | 19,607,612 | 10.2 |
| 8 | Nationwide Group | 18,871,828 | -2.3 |
| 9 | Farmers Ins Group | 14,263,415 | -3.4 |
| 10 | American Intl Group (AIG) | 14,188,850 | -12.8 |
| 11 | Chubb INA Group | 11,004,935 | -9.5 |
| 12 | Hartford Ins Group | 10,520,546 | -1 |
| 13 | American Family Ins Group | 8,363,098 | 6.2 |
| 14 | Auto-Owners Ins Group | 6,862,973 | 10.3 |
| 15 | Tokio Marine US PC Group | 6,660,982 | 4.3 |
| 16 | Erie Ins Group | 6,629,010 | 6 |
| 17 | CNA Ins Cos | 6,391,908 | 0.4 |
| 18 | W. R. Berkley Ins Group | 5,594,506 | -2 |
| 19 | Munich-American Hldg Corp Cos | 5,478,555 | 28 |
| 20 | Fairfax Financial (USA) Group | 5,470,328 | 7.2 |
| 21 | Cincinnati Ins Cos | 4,843,959 | 5.7 |
| 22 | 4,630,422 | 10.8 | |
| 23 | Alleghany Ins Holdings Group | 4,481,308 | -1.8 |
| 24 | Great American P & C Ins Grp | 4,229,043 | 8 |
| 25 | The Hanover Ins Grp Prop & Cas Cos | 4,110,269 | 5.8 |
| 26 | Auto Club Enterprises Ins Group | 3,814,880 | 11.1 |
| 27 | CSAA Ins Group | 3,763,559 | 7.6 |
| 28 | MetLife Auto & Home Group | 3,617,638 | 1.7 |
| 29 | FM Global Group | 3,423,295 | 4.2 |
| 30 | Mercury Gen Group | 3,179,743 | 2 |
| 31 | Markel Corp Group | 2,887,186 | 5.8 |
| 32 | Old Republic Ins Group | 2,648,315 | 3 |
| 33 | AmTrust Group | 2,509,134 | 3.1 |
| 34 | QBE Americas Group | 2,478,056 | 18.5 |
| 35 | Selective Ins Group | 2,370,641 | 6 |
| 36 | COUNTRY Financial PC Group | 2,314,826 | 5.2 |
| 37 | State Ins Fund WC Fund | 2,277,778 | -6.6 |
| 38 | Amica Mutual Group | 2,273,863 | 9 |
| 39 | XL Catlin America Group | 2,266,080 | 24.5 |
| 40 | Swiss Reinsurance Group | 2,238,464 | 3.1 |
| 41 | MAPFRE North America Group | 2,177,009 | 0.6 |
| 42 | Assurant P&C Group | 2,176,856 | -1 |
| 43 | Auto Club Group | 2,158,733 | 7.1 |
| 44 | Sentry Ins Group | 2,108,084 | 4.7 |
| 45 | State Auto Ins Cos | 1,952,834 | -1.9 |
| 46 | NJM Ins Group | 1,893,777 | 6.2 |
| 47 | Kemper PC Companies | 1,863,914 | 8.8 |
| 48 | Westfield Group | 1,857,242 | 2.6 |
| 49 | Allianz of America Companies | 1,835,283 | 35.3 |
| 50 | EMC Ins Cos | 1,775,017 | 3.9 |
| 51 | Everest Re US Group | 1,741,240 | -15.1 |
| 52 | Federated Mutual Group | 1,735,154 | 5.2 |
| 53 | Shelter Ins Cos | 1,728,203 | 5.5 |
| 54 | Southern Farm Bureau Cas Group | 1,392,762 | 7.8 |
| 55 | Infinity P&C Group | 1,386,853 | -0.4 |
| 56 | Acuity A Mutual Ins Co | 1,374,301 | 4.4 |
| 57 | Farm Bureau P&C Group | 1,346,530 | 2 |
| 58 | State Comp Ins Fund CA | 1,345,110 | -15.9 |
| 59 | Accident Fund Group | 1,334,689 | 10.4 |
| 60 | Alfa Ins Group | 1,329,863 | 8.2 |
| 61 | Natl Gen Companies | 1,308,385 | -44.1 |
| 62 | TN Farmers Ins Cos | 1,280,224 | 6.4 |
| 63 | Amer Natl PC Group | 1,254,512 | 10.6 |
| 64 | Scor US Group | 1,244,516 | 1.7 |
| 65 | Main Street America Group | 1,210,297 | 13.5 |
| 66 | Grange Mutual Casualty Pool | 1,177,512 | 0.6 |
| 67 | Sompo Hldgs US Group | 1,175,833 | 21.7 |
| 68 | Texas Farm Bureau Group | 1,122,154 | 1.1 |
| 69 | Starr Intl Group | 1,121,855 | 5 |
| 70 | Motorists Ins Group | 1,099,387 | 2.4 |
| 71 | West Bend Mutual Ins Co | 1,091,965 | 7.5 |
| 72 | TX Mutual Ins Co | 1,035,215 | 5.2 |
| 73 | United Fire & Cas Group | 1,019,113 | 5.6 |
| 74 | KY Farm Bureau Group | 999,089 | 6.5 |
| 75 | Mortgage Guar Group | 997,957 | 2.9 |
| 76 | AXIS US Operations | 997,504 | 12.3 |
| 77 | Utica Natl Ins Group | 971,284 | 9.5 |
| 78 | PartnerRe US Group | 967,705 | -20.7 |
| 79 | ICW Pool | 967,286 | -0.6 |
| 80 | Ameriprise P&C Companies | 957,356 | -10.1 |
| 81 | Navigators Ins Group | 944,297 | 11.8 |
| 82 | CUMIS Ins Society Group | 911,686 | 10.7 |
| 83 | Donegal Ins Group | 883,942 | 6.1 |
| 84 | NC Farm Bureau Ins Group | 833,081 | 8 |
| 85 | Radian Group | 818,417 | 11.5 |
| 86 | Amerisure Cos | 815,440 | 0.3 |
| 87 | FCCI Ins Group | 799,501 | 6.6 |
| 88 | Safety Group | 781,053 | 1.9 |
| 89 | Arbella Ins Group | 777,077 | -4.6 |
| 90 | Genworth PC Group | 757,656 | 1.7 |
| 91 | RLI Group | 749,854 | 1.2 |
| 92 | Universal Ins Hldgs Group | 737,060 | 12.3 |
| 93 | Church Mutual Ins Group | 730,406 | 6.9 |
| 94 | Palisades Group | 728,661 | 3.4 |
| 95 | Employers Ins Group | 723,697 | 4.2 |
| 96 | MI Farm Bureau Group | 703,566 | 1.4 |
| 97 | Penn Natl Ins Cos | 703,215 | 2.5 |
| 98 | IAT Ins Group | 691,555 | 27.6 |
| 99 | Central Ins Cos | 665,603 | 7.8 |
| 100 | Horace Mann Ins Group | 659,780 | 4.5 |
