Here are the largest auto insurance companies in Michigan, based on premiums for policies they sold in the state.
Car insurance shopping tip
Are you paying for car insurance on a monthly basis? If you can pay for the entire term up-front you’ll likely get a discount.
Largest auto insurance companies in Michigan
| Rank in Michigan | Company | Market share % in Michigan |
|---|---|---|
| 1 | State Farm | 17.4 |
| 2 | Auto Club Insurance Association | 15.81 |
| 3 | Progressive | 15.76 |
| 4 | Auto-Owners Insurance | 10.29 |
| 5 | Allstate Corp. | 7.9 |
| 6 | The Hanover Insurance Group | 6.23 |
| 7 | Michigan Farm Bureau | 4.8 |
| 8 | Liberty Mutual | 3.91 |
| 9 | USAA | 3.05 |
| 10 | Frankenmuth Insurance | 1.78 |
| 11 | Pioneer State Mutual Ins Co. | 1.73 |
| 12 | Farmers Insurance | 1.7 |
| 13 | National General Holdings Corp. | 1.24 |
| 14 | Berkshire Hathaway Inc. | 1.22 |
| 15 | The Hartford | 1.06 |
| 16 | Nationwide | 0.73 |
| 17 | Westfield Insurance | 0.72 |
| 18 | MetLife | 0.6 |
| 19 | The Cincinnati Insurance Cos. | 0.55 |
| 20 | American Family Insurance | 0.39 |
| 21 | Donegal | 0.39 |
| 22 | Everest Re | 0.38 |
| 23 | Markel | 0.32 |
| 24 | Hastings Mutual Insurance Co. | 0.25 |
| 25 | Wolverine Mutual Insurance Co. | 0.23 |
| 26 | James River Group Holdings Ltd. | 0.22 |
| 27 | State Auto | 0.2 |
| 28 | Amica | 0.16 |
| 29 | Grange Insurance | 0.12 |
| 30 | Horace Mann | 0.12 |
| 31 | Chubb | 0.1 |
| 32 | Central Insurance Companies | 0.1 |
| 33 | Northern Mutual Insurance Co. | 0.09 |
| 34 | MI Automobile Ins Placement | 0.08 |
| 35 | AIG | 0.07 |
| 36 | USA Underwriters | 0.05 |
| 37 | Munich Re | 0.05 |
| 38 | SECURA Insurance Companies | 0.04 |
| 39 | Sentry | 0.04 |
| 40 | Travelers | 0.04 |
| 41 | Tokio Marine | 0.03 |
| 42 | PURE | 0.03 |
| 43 | Assurant | 0.02 |
| 44 | General Electric Co. | 0.01 |
| Source: S&P Global Market Intelligence, based on premiums written in 2018 for private passenger autot insurance. | ||