TOP TEN WRITERS OF COMMERCIAL LINES INSURANCE BY DIRECT PREMIUMS WRITTEN, 2010

($000)

Rank Group Direct premiums written (1) Market share
1 American International Group $20,151,570 8.6%
2 Travelers Companies 14,580,352 6.3
3 Liberty Mutual Holding Co. 14,005,460 6.0
4 Zurich Financial Services Ltd. 12,495,405 5.4
5 ACE Ltd. 7,470,050 3.2
6 CNA Financial Corp. 7,286,157 3.1
7 Chubb Corp. 6,909,680 3.0
8 Hartford Financial Services 6,710,789 2.9
9 Nationwide Mutual Group 4,746,593 2.0
10 Allianz SE 4,528,084 1.9

(1) Before reinsurance transactions, excluding state funds.

Source: SNL Financial LC.