| Company Name | Number |
| AIG Property Casualty Company | 201 |
| Allstate Insurance Company | 033 |
| Amica Mutual Insurance Company | 354 |
| Arbella Mutual Insurance Company | 153 |
| Bankers Standard Insurance Company | 194 |
| Berkley Insurance Company | 257 |
| Cincinnati Insurance Company, The | 259 |
| Commerce Insurance Company, The | 279 |
| Electric Insurance Company | 309 |
| Essentia Insurance Company | 313 |
| Farm Family Casualty Insurance Company | 362 |
| Farmers Property and Casualty Insurance Company | 585 |
| Foremost Insurance Company Grand Rapids Michigan | 989 |
| Government Employees Insurance Company | 429 |
| Green Mountain Insurance Company, Inc. | 444 |
| Hanover Insurance Company, The | 455 |
| Harleysville Worcester Insurance Company | 963 |
| Incline Casualty Company | 301 |
| Liberty Mutual Insurance Company | 514 |
| Main Street America Protection Insurance Company | 604 |
| Middlesex Insurance Company | 602 |
| Norfolk & Dedham Mutual Fire Insurance Company | 664 |
| Philadelphia Indemnity Insurance Company | 721 |
| Plymouth Rock Assurance Corporation | 731 |
| Preferred Mutual Insurance Company | 141 |
| Privilege Underwriters Reciprocal Exchange (PURE) | 118 |
| Progressive Direct Insurance Company | 785 |
| Quincy Mutual Fire Insurance Company | 988 |
| Safety Insurance Company | 773 |
| Standard Fire Insurance Company, The | 823 |
| State Farm Mutual Automobile Insurance Company | 828 |
| Trumbull Insurance Company | 893 |
| United Services Automobile Association | 907 |
| Vermont Mutual Insurance Company | 530 |