Top 10 Writers Of Commercial Lines Insurance By Direct Premiums Written, 2017

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Chubb Ltd. $16,850,450 5.5%
2 Travelers Companies Inc. 16,737,743 5.5
3 Liberty Mutual 15,606,473 5.1
4 American International Group (AIG) 12,779,666 4.2
5 Zurich Insurance Group (3) 12,748,657 4.2
6 CNA Financial Corp. 9,969,788 3.3
7 Berkshire Hathaway Inc. 8,555,760 2.8
8 Nationwide Mutual Group 8,072,052 2.7
9 Hartford Financial Services 7,786,169 2.6
10 Tokio Marine Group 6,467,663 2.1
(1) Before reinsurance transactions, includes state funds. (2) Based on U.S. total, includes territories. (3) 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.