Top 10 Writers Of Commercial Auto Insurance By Direct Premiums Written, 2015

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Progressive Corp. $2,187,740 7.0%
2 Travelers Companies Inc. 2,026,479 6.5
3 Nationwide Mutual Group 1,721,820 5.5
4 Liberty Mutual 1,512,741 4.8
5 Zurich Insurance Group (3) 1,487,295 4.8
6 American International Group (AIG) 1,128,691 3.6
7 Berkshire Hathaway Inc. 1,072,074 3.4
8 Old Republic International Corp. 1,071,187 3.4
9 Auto-Owners Insurance Co. 677,075 2.2
10 AmTrust Financial Services 646,737 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.