| Rank |
Group |
Direct premiums written (1) |
Market share (2) |
| 1 |
State Farm Mutual Automobile Insurance |
$51,063,111 |
10.6% |
| 2 |
Zurich Financial Services Ltd |
28,979,692 |
6.0 |
| 3 |
Allstate Corp. |
26,153,440 |
5.4 |
| 4 |
American International Group |
26,108,637 |
5.4 |
| 5 |
Liberty Mutual Holding Co. |
24,772,894 |
5.2 |
| 6 |
Travelers Cos. |
21,409,548 |
4.5 |
| 7 |
Berkshire Hathaway Inc. |
16,056,324 |
3.3 |
| 8 |
Nationwide Mutual Group |
15,405,668 |
3.2 |
| 9 |
Progressive Corp. |
14,200,294 |
3.0 |
| 10 |
Hartford Financial Services |
10,473,026 |
2.2 |
(1) Before reinsurance transactions.
(2) Based on U.S. total including territories.
Source: SNL Financial LC. |