| Rank |
Group |
Direct premiums written (1) |
Market share |
| 1 |
American International Group |
$20,151,570 |
8.6% |
| 2 |
Travelers Companies |
14,580,352 |
6.3 |
| 3 |
Liberty Mutual Holding Co. |
14,005,460 |
6.0 |
| 4 |
Zurich Financial Services Ltd. |
12,495,405 |
5.4 |
| 5 |
ACE Ltd. |
7,470,050 |
3.2 |
| 6 |
CNA Financial Corp. |
7,286,157 |
3.1 |
| 7 |
Chubb Corp. |
6,909,680 |
3.0 |
| 8 |
Hartford Financial Services |
6,710,789 |
2.9 |
| 9 |
Nationwide Mutual Group |
4,746,593 |
2.0 |
| 10 |
Allianz SE |
4,528,084 |
1.9 |
(1) Before reinsurance transactions, excluding state funds.
Source: SNL Financial LC. |