TOP TEN WRITERS OF WORKERS COMPENSATION INSURANCE BY DIRECT PREMIUMS WRITTEN, 2011

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Liberty Mutual $4,084,112 9.3%
2 American International Group 3,474,247 7.9
3 Travelers Companies Inc. 3,232,266 7.4
4 Hartford Financial Services 3,156,463 7.2
5 Zurich Insurance Group Ltd. 2,255,031 5.1
6 State Insurance Fund Workers' Comp (NY) 1,495,865 3.4
7 State Compensation Insurance Fund (CA) 1,011,147 2.3
8 ACE Ltd. 975,067 2.2
9 CNA Financial Corp. 956,861 2.2
10 Old Republic International Corp. 942,712 2.1

(1) Before reinsurance transactions, includes some state funds.
(2) Based on U.S. total including territories.

Source: SNL Financial LC.