| Rank |
Group |
Direct premiums written (1) |
Market share |
| 1 |
State Farm Mutual |
$14,737,236 |
21.6% |
| 2 |
Allstate Corp. |
6,837,286 |
10.0 |
| 3 |
Zurich Financial Services Ltd |
5,066,034 |
7.4 |
| 4 |
Liberty Mutual Holding Co. |
3,461,188 |
5.1 |
| 5 |
Travelers Companies |
3,082,155 |
4.5 |
| 6 |
USAA Insurance Group |
2,969,698 |
4.4 |
| 7 |
Nationwide Mutual Group |
2,909,148 |
4.3 |
| 8 |
Chubb Corp. |
1,772,268 |
2.6 |
| 9 |
American Family Mutual Insurance Group |
1,460,618 |
2.1 |
| 10 |
Hartford Financial Services |
1,122,780 |
1.7 |
(1) Before reinsurance transactions, excluding state funds.
Source: SNL Financial LC. |