LEADING WRITERS OF EARTHQUAKE INSURANCE IN CALIFORNIA BY DIRECT PREMIUMS WRITTEN, 2013 (1)
Rank Company/group Direct premiums written ($000)  Market share
1 CA Earthquake Authority $573,960 35.1%
2 Zurich Insurance Group  159,817 9.8
3 GeoVera Insurance Holdings Ltd  97,637 6.0
4 American International Group  58,942 3.6
5 ACE Ltd. 56,880 3.5
6 Swiss Re Ltd 51,535 3.2
7 ICW Group  43,123 2.6
8 Arch Capital Group Ltd.  39,846 2.4
9 Chubb Corp.  37,951 2.3
10 Endurance Specialty Holdings  37,658 2.3
(1) Before reinsurance transactions. Source: SNL Financial LC.