Here are the largest auto insurance companies in Maine, ranked by premiums for private passenger auto insurance sold in the state.
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Largest auto insurance companies in Maine
| Rank in Maine | Company | Market share % in Maine |
|---|---|---|
| 1 | Progressive | 14.87 |
| 2 | State Farm | 13.71 |
| 3 | Berkshire Hathaway Inc. | 10.77 |
| 4 | Liberty Mutual | 8.63 |
| 5 | Allstate Corp. | 7.04 |
| 6 | USAA | 4.82 |
| 7 | MetLife | 3.83 |
| 8 | Concord Group Insurance | 3.81 |
| 9 | Travelers | 3.44 |
| 10 | The Hanover Insurance Group | 3.22 |
| 11 | Auto Club Exchange | 2.97 |
| 12 | MMG Insurance Co. | 2.95 |
| 13 | Quincy Mutual | 2.84 |
| 14 | National General Holdings Corp. | 2.48 |
| 15 | American Family Insurance | 1.71 |
| 16 | Frankenmuth Insurance | 1.69 |
| 17 | Horace Mann | 1.59 |
| 18 | Vermont Mutual Insurance | 1.41 |
| 19 | The Hartford | 1.14 |
| 20 | Amica | 1.09 |
| 21 | Sentry | 0.99 |
| 22 | Farmers Insurance | 0.7 |
| 23 | Ohio Mutual Insurance Group | 0.55 |
| 24 | Nationwide | 0.54 |
| 25 | MAPFRE | 0.5 |
| 26 | American National | 0.37 |
| 27 | Union Mutual | 0.36 |
| 28 | Chubb | 0.36 |
| 29 | VA Farm Bureau Federation | 0.27 |
| 30 | Markel | 0.26 |
| 31 | Kemper | 0.25 |
| 32 | Providence Mutual Fire Insurance Co. | 0.18 |
| 33 | ACUITY A Mutual Insurance Co. | 0.17 |
| 34 | Global Indemnity | 0.13 |
| 35 | AIG | 0.07 |
| 36 | California Casualty | 0.05 |
| 37 | PURE | 0.04 |
| 38 | Safety Insurance | 0.04 |
| 39 | General Electric Co. | 0.04 |
| 40 | Assurant | 0.03 |
| 41 | Munich Re | 0.03 |
| 42 | Tokio Marine | 0.03 |
| 43 | Donegal | 0.02 |
| Source: S&P Global Market Intelligence, based on premiums written in 2018 for private passenger auto insurance. | ||