LEADING WRITERS OF PRIVATE PASSENGER AUTO INSURANCE IN PENNSYLVANIA BY DIRECT PREMIUMS WRITTEN, 2011 (1)
Rank Group Direct premiums written ($000) Market share
1 State Farm Mutual Automobile Insurance $1,345,329 19.1%
2 Erie Insurance Group 951,263 13.5
3 Allstate Corp. 933,637 13.3
4 Nationwide Mutual Group 793,174 11.3
5 Progressive Corp. 561,594 8.0
6 Berkshire Hathaway Inc. 401,076 5.7
7 Liberty Mutual 377,996 5.4
8 Travelers Companies Inc. 330,198 4.7
9 USAA Insurance Group 189,038 2.7
10 Farmers Insurance Group of Cos. 107,828 1.5

(1) Before reinsurance transactions.

Source: SNL Financial LC.