TOP TEN WRITERS OF PRIVATE PASSENGER AUTO INSURANCE BY DIRECT PREMIUMS WRITTEN, 2011

($000)

Rank Group Direct premiums written (1) Market share (2)
1 State Farm Mutual Automobile Insurance $31,488,620 18.6%
2 Allstate Corp. 17,451,279 10.3
3 Berkshire Hathaway Inc. 15,346,177 9.1
4 Progressive Corp. 13,423,205 7.9
5 Farmers Insurance Group of Companies (3) 9,972,084 5.9
6 USAA Insurance Group 7,778,764 4.6
7 Liberty Mutual 7,684,231 4.5
8 Nationwide Mutual Group 6,855,293 4.1
9 Travelers Companies Inc. 3,526,738 2.1
10 American Family Mutual 3,042,992 1.8

(1) Before reinsurance transactions, includes some state funds.
(2) Based on U.S. total including territories.
(3) Data for Farmers Group and Zurich Financial Group (which owns Farmers’ management company) are reported separately by SNL Financial.

Source: SNL Financial LC.