Top 10 Writers Of Private Passenger Auto Insurance In Maryland By Direct Premiums Written, 2017 (1)
Rank Group/company Direct premiums written ($000) Market share
1 Berkshire Hathaway Inc. $1,173,739 23.6%
2 State Farm  940,404 18.9
3 Allstate Corp. 582,872 11.7
4 USAA Insurance Group 422,116 8.5
5 Erie Insurance Group 376,241 7.6
6 Nationwide Mutual Group 373,032 7.5
7 Progressive  310,170 6.2
8 Liberty Mutual 185,153 3.7
9 Travelers Companies Inc. 81,122 1.6
10 Maryland Private Passengermobile Insurance Fund 76,647 1.5
(1) Before reinsurance transactions. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.