Here are the 50 largest auto insurance companies in Oklahoma, based on the amount of premiums for policies they sold in the state in 2018.
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Largest auto insurance companies in Oklahoma
| Rank in Oklahoma | Company | Market share % in Oklahoma |
|---|---|---|
| 1 | State Farm | 23.97 |
| 2 | Farmers Insurance | 10.99 |
| 3 | Progressive | 10.63 |
| 4 | Berkshire Hathaway Inc. | 7.71 |
| 5 | Allstate Corp. | 7.26 |
| 6 | USAA | 6.64 |
| 7 | Liberty Mutual | 6.25 |
| 8 | Oklahoma Farm Bureau Insurance | 3.84 |
| 9 | Shelter Insurance | 3.5 |
| 10 | CSAA Insurance Exchange | 3.32 |
| 11 | American Farmers & Ranchers | 2.28 |
| 12 | Traders Insurance Co. | 1.37 |
| 13 | Home State Insurance Group Inc. | 1.29 |
| 14 | Travelers | 1.25 |
| 15 | American National | 0.77 |
| 16 | The Hartford | 0.7 |
| 17 | Mercury Insurance | 0.66 |
| 18 | Harbor Insurance Co. | 0.64 |
| 19 | American Family Insurance | 0.51 |
| 20 | MetLife | 0.5 |
| 21 | COUNTRY Financial | 0.48 |
| 22 | Grinnell Mutual | 0.43 |
| 23 | The Hanover Insurance Group | 0.43 |
| 24 | North Star Mutual Insurance Co. | 0.39 |
| 25 | Safe Auto Insurance Group Inc. | 0.36 |
| 26 | Key Insurance Co. | 0.36 |
| 27 | Casualty Corp. of America Inc. | 0.3 |
| 28 | Chubb | 0.29 |
| 29 | Tiptree Inc. | 0.28 |
| 30 | Hallmark | 0.28 |
| 31 | Markel | 0.19 |
| 32 | AmTrust Financial | 0.18 |
| 33 | Cornerstone National Insurance Co. | 0.16 |
| 34 | MGA Insurance Co. | 0.14 |
| 35 | National General Holdings Corp. | 0.14 |
| 36 | Root Insurance Co. | 0.13 |
| 37 | Columbia Insurance | 0.12 |
| 38 | Farmers Alliance Cos. | 0.12 |
| 39 | Goodville & German Mutual Group | 0.11 |
| 40 | Horace Mann | 0.1 |
| 41 | Kemper | 0.1 |
| 42 | PURE | 0.09 |
| 43 | United Home Insurance Co. | 0.08 |
| 44 | AIG | 0.07 |
| 45 | AgWorkers Insurance | 0.06 |
| 46 | Global Indemnity | 0.06 |
| 47 | Amica | 0.06 |
| 48 | Munich Re | 0.06 |
| 49 | Old American | 0.05 |
| 50 | Nationwide | 0.05 |
| Source: S&P Global Market Intelligence, based on premiums written in 2018 for private passenger auto insurance. | ||