Rank |
Company/Group |
Direct premiums written ($000) |
Market share (percent) |
1 |
American Family Mutual |
$525,570 |
21.7% |
2 |
Progressive Corp. |
350,047 |
14.5 |
3 |
State Farm Mutual Automobile Insurance |
324,415 |
13.4 |
4 |
ACUITY A Mutual Insurance Co. |
89,213 |
3.7 |
5 |
Allstate Corp. |
85,708 |
3.5 |
6 |
Farmers Insurance Group of Companies |
82,473 |
3.4 |
7 |
Berkshire Hathaway Inc. |
70,002 |
2.9 |
8 |
West Bend Mutual Insurance Co. |
66,494 |
2.8 |
9 |
Auto Club Insurance Association Group |
56,954 |
2.4 |
10 |
Liberty Mutual |
55,618 |
2.3 |
(1) Before reinsurance transactions.
Source: SNL Financial LC. |