Top 10 Writers Of Private Passenger Auto Insurance In Iowa By Direct Premiums Written, 2017 (1)
Rank Group/company Direct premiums written ($000) Market share
1 State Farm  $389,032 22.1%
2 Progressive  285,107 16.2
3 Nationwide Mutual Group 180,621 10.3
4 Farm Bureau Financial Services 119,308 6.8
5 American Family Insurance Group 111,227 6.3
6 Grinnell Mutual 78,945 4.5
7 Berkshire Hathaway Inc. 64,044 3.6
8 IMT 57,498 3.3
9 Allstate Corp. 56,702 3.2
10 West Bend Mutual Insurance Co. 38,498 2.2
(1) Before reinsurance transactions. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.