Top 10 Writers Of Commercial Auto Insurance By Direct Premiums Written, 2018

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 Progressive Corp. $4,405,316 10.8%
2 Travelers Companies Inc. 2,564,685 6.3
3 Liberty Mutual 1,798,487 4.4
4 Nationwide Mutual Group 1,634,230 4.0
5 Berkshire Hathaway Inc. 1,514,213 3.7
6 Old Republic International Corp. 1,439,949 3.5
7 Zurich Insurance Group 1,372,901 3.4
8 Auto-Owners Insurance Co. 1,002,642 2.5
9 Tokio Marine Group 763,161 1.9
10 Chubb Ltd. 741,141 1.8
(1) Before reinsurance transactions, includes state funds. (2) Based on U.S. total, includes territories. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.