| United Farm Family Mutual Insurance Company | 0.23 | 5 | $442,052,091 |
| American Economy Insurance Company | 0.35 | 1 | $58,476,766 |
| Indiana Farmers Mutual Insurance Company | 0.41 | 2 | $101,678,279 |
| American Family Mutual Insurance Company S.I. | 0.43 | 1 | $48,393,765 |
| Cincinnati Insurance Company, the | 0.45 | 1 | $46,016,198 |
| Auto Owners Insurance Company | 0.47 | 5 | $218,686,817 |
| Shelter Mutual Insurance Company | 0.56 | 1 | $36,679,533 |
| Allstate North American Insurance Company | 0.64 | 3 | $97,136,396 |
| Progressive Southeastern Insurance Company | 0.65 | 19 | $601,997,748 |
| State Farm Mutual Automobile Insurance Company | 0.67 | 39 | $1,196,624,761 |
| Cincinnati Casualty Company, the | 0.74 | 1 | $27,898,525 |
| SAFECO Insurance Company of Indiana | 0.79 | 3 | $78,323,085 |
| Allstate Property and Casualty Insurance Company | 0.81 | 12 | $305,478,511 |
| Government Employees Insurance Company | 0.81 | 1 | $25,458,253 |
| Erie Insurance Exchange | 0.82 | 12 | $301,553,194 |
| Standard Fire Insurance Company, the | 0.87 | 3 | $71,112,579 |
| American Select Insurance Company | 0.97 | 1 | $21,310,580 |
| GEICO Marine Insurance Company | 1.06 | 3 | $58,268,676 |
| National Union Fire Insurance Company of Pittsburgh, Pa. | 1.10 | 1 | $18,777,461 |
| Progressive Paloverde Insurance Company | 1.11 | 35 | $651,807,758 |
| GEICO Advantage Insurance Company | 1.18 | 4 | $70,136,386 |
| Old Republic Insurance Company | 1.18 | 1 | $17,528,442 |
| State Farm Fire and Casualty Company | 1.19 | 3 | $52,067,477 |
| United Services Automobile Association | 1.22 | 3 | $50,797,317 |
| GEICO Casualty Company | 1.35 | 2 | $30,711,291 |
| ACE American Insurance Company | 1.40 | 1 | $14,749,831 |
| Selective Insurance Company of South Carolina | 1.41 | 1 | $14,683,085 |
| Liberty Mutual Personal Insurance Company | 1.47 | 4 | $56,185,790 |
| Auto Club Group Insurance Company | 1.58 | 1 | $13,108,079 |
| GEICO Indemnity Company | 1.60 | 5 | $64,535,876 |
| USAA General Indemnity Company | 1.74 | 4 | $47,571,044 |
| Depositors Insurance Company | 1.74 | 1 | $11,918,193 |
| GEICO Choice Insurance Company | 1.84 | 3 | $33,670,385 |
| Sonnenberg Mutual Insurance Association | 1.87 | 2 | $22,174,933 |
| MIC General Insurance Corporation | 1.91 | 2 | $21,709,957 |
| Ms Transverse Insurance Company | 2.13 | 1 | $9,693,402 |
| USAA Casualty Insurance Company | 2.17 | 5 | $47,666,952 |
| Imperial Fire and Casualty Insurance Company | 2.42 | 2 | $17,093,368 |
| GEICO Secure Insurance Company | 2.48 | 8 | $66,701,917 |
| National Specialty Insurance Company | 2.57 | 1 | $8,038,284 |
| Traders Insurance Company | 2.68 | 2 | $15,432,060 |
| Selective Insurance Company of America | 2.85 | 2 | $14,518,597 |
| Farmers Insurance Exchange | 2.92 | 1 | $7,092,805 |
| Carolina Casualty Insurance Company | 2.95 | 1 | $7,016,631 |
| Trumbull Insurance Company | 2.98 | 2 | $13,878,777 |
| Goodville Mutual Casualty Company | 3.19 | 1 | $6,487,029 |
| Hartford Insurance Company of the Southeast | 3.67 | 2 | $11,280,631 |
| Root Insurance Company | 3.71 | 5 | $27,858,331 |
| Mendakota Casualty Company | 3.79 | 1 | $5,458,230 |
| Insuremax Insurance Company | 3.80 | 1 | $5,439,842 |
| Amerisure Mutual Insurance Company | 3.80 | 1 | $5,437,820 |
| Integon Indemnity Corporation | 3.99 | 10 | $51,825,313 |
| Horace Mann Insurance Company | 4.19 | 1 | $4,935,730 |
| Bristol West Insurance Company | 4.42 | 5 | $23,415,181 |
| Founders Insurance Company | 4.42 | 3 | $14,029,800 |
| Trexis Insurance Corporation | 4.44 | 3 | $13,966,325 |
| MGA Insurance Company, Inc. | 4.65 | 1 | $4,450,420 |
| American Freedom Insurance Company | 4.97 | 8 | $33,258,916 |
| Automobile Club Interinsurance Exchange | 5.01 | 1 | $4,124,432 |
| Farmers Property and Casualty Insurance Company | 5.69 | 1 | $3,636,701 |
| Trexis One Insurance Corporation | 5.74 | 1 | $3,600,208 |
| Everest Denali Insurance Company | 6.21 | 1 | $3,329,275 |
| Allstate Insurance Company | 6.24 | 3 | $9,946,153 |
| Erie Insurance Company | 6.37 | 1 | $3,246,928 |
| Foremost Insurance Company Grand Rapids, Michigan | 6.52 | 1 | $3,173,075 |
| Loya Insurance Company | 7.74 | 1 | $2,670,624 |
| First Acceptance Insurance Company, Inc. | 8.12 | 3 | $7,638,119 |
| American Access Casualty Company | 9.10 | 4 | $9,095,183 |
| State Automobile Mutual Insurance Company | 9.36 | 1 | $2,210,321 |
| General Automobile Insurance Company, Inc., the | 10.48 | 1 | $1,974,452 |
| Clearcover Insurance Company | 11.03 | 2 | $3,750,810 |
| Horace Mann Property & Casualty Insurance Company | 11.73 | 1 | $1,763,332 |
| AssuranceAmerica Insurance Company | 12.35 | 1 | $1,675,184 |
| Everest National Insurance Company | 15.76 | 1 | $1,312,246 |
| First Chicago Insurance Company | 16.78 | 34 | $41,911,253 |
| Berkshire Hathaway Direct Insurance Company | 16.91 | 1 | $1,223,185 |
| Falcon Insurance Company | 17.61 | 2 | $2,348,385 |
| Young America Insurance Company | 19.20 | 1 | $1,077,414 |
| Toggle Insurance Company | 35.31 | 2 | $1,171,482 |
| United Security Insurance Company | DNC | 1 | $788,086 |
| Axis Insurance Company | DNC | 1 | $420,848 |
| National General Insurance Company | DNC | 1 | $119,268 |
| Hartford Insurance Company of the Midwest | DNC | 1 | $37,579 |
| Clear Spring Property and Casualty Company | DNC | 1 | $10,376 |