TOP TEN WRITERS OF COMMERCIAL LINES INSURANCE BY DIRECT PREMIUMS WRITTEN, 2011

($000)

Rank Group Direct premiums written (1) Market share (2)
1 American International Group $19,670,203 8.0%
2 Travelers Companies Inc. 15,072,570 6.1
3 Liberty Mutual 14,799,582 6.0
4 Zurich Insurance Group Ltd. (3) 9,548,647 3.9
5 ACE Ltd. 8,089,038 3.3
6 CNA Financial Corp. 7,551,073 3.1
7 Hartford Financial Services 7,169,482 2.9
8 Chubb Corp. 7,105,182 2.9
9 Nationwide Mutual Group 5,084,182 2.1
10 Allianz SE 4,738,934 1.9

(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.