Top 10 Writers Of Commercial Insurance In Delaware By Direct Premiums Written, 2017 (1)
Rank Group/company Direct premiums written ($000) Market share
1 Nuclear Electric Insurance Ltd. $204,774 14.5%
2 American International Group (AIG) 100,830 7.1
3 American Financial Group Inc. 90,026 6.4
4 Liberty Mutual 71,985 5.1
5 Zurich Insurance Group (2)  67,501 4.8
6 Chubb Ltd. 56,645 4.0
7 Travelers Companies Inc. 50,047 3.5
8 Nationwide Mutual Group 41,471 2.9
9 Donegal Insurance Group 37,143 2.6
10 CNA Financial Corp. 33,379 2.4
(1) Before reinsurance transactions. (2) Data for Farmers Insurance Group of Companies and Zurich Financial Group (which owns Farmers' management company) are reported separately by S&P Global Market Intelligence. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.