LEADING WRITERS OF PRIVATE PASSENGER AUTO INSURANCE IN WISCONSIN BY DIRECT PREMIUMS WRITTEN, 2011 (1)
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.