LEADING WRITERS OF COMMERCIAL INSURANCE IN DELAWARE BY DIRECT PREMIUMS WRITTEN, 2012 (1)
Rank Group Direct premiums written ($000) Market share
1 Nuclear Electric Insurance Ltd. $193,582 21.4%
2 American International Group  89,670 9.9
3 Liberty Mutual  62,955 7.0
4 Zurich Insurance Group Ltd.  47,272 5.2
5 American Financial Group Inc.  47,196 5.2
6 Travelers Companies Inc.  44,918 5.0
7 Nationwide Mutual Group  35,488 3.9
8 CNA Financial Corp.  32,515 3.6
9 Hartford Financial Services  26,558 2.9
10 Donegal Insurance Group  22,530 2.5
(1) Before reinsurance transactions. Source: SNL Financial LC.