TOP TEN WRITERS OF PRIVATE PASSENGER AUTO INSURANCE BY DIRECT PREMIUMS WRITTEN, 2010

($000)

Rank Group Direct premiums written (1) Market share
1 State Farm Mutual Automobile Insurance $31,132,669 18.7%
2 Allstate Corp. 16,987,898 10.2
3 Berkshire Hathaway Inc. 14,179,673 8.5
4 Progressive Corp. 12,845,461 7.7
5 Zurich Financial Services Ltd. 9,943,802 6.0
6 Liberty Mutual Holding Co. 7,500,758 4.5
7 USAA Insurance Group 7,268,980 4.4
8 Nationwide Mutual Group 7,037,229 4.2
9 Travelers Companies 3,512,489 2.1
10 American Family Mutual Insurance Co. 3,227,718 1.9

(1) Before reinsurance transactions, excluding state funds.

Source: SNL Financial LC.