| Company Name |
| All American Insurance Company |
| Allstate Insurance Company |
| American Alternative Insurance Corporation |
| American Bankers Insurance Company of Florida |
| American Casualty Compan of Reading, Pennsylvania |
| American Economy Insurance Company |
| American Fire and Casualty Company |
| American Modern Property and Casualty Insurance Company |
| American National Property And Casualty Company |
| American Select Insurance Company |
| American Strategic Insurance Corp |
| American Zurich Insurance Company |
| Amica Mutual Insurance Company |
| Armed Forces Insurance Exchange |
| Auto Club Indemnity Company |
| Auto-Owners Insurance Company |
| Bankers Standard Insurance Company |
| Branch Insurance Exchange |
| Central Insurance Company |
| Colonial American Casualty and Surety Company |
| CSAA General Insurance Company |
| Diamond State Insurance Company |
| Encompass Insurance Company |
| Erie Insurance Company |
| Esurance Insurance Company |
| Farmers Property and Casualty Insurance Company |
| Fidelity and Deposit Company of Maryland |
| Garrison Property and Casualty Insurance Company |
| Grange Insurance Company |
| Great American Insurance Company |
| Great Northern Insurance Company |
| Homesite Insurance Company |
| Indemnity Insurance Company of North America |
| Kentucky Farm Bureau Mutual Insurance Company |
| Liberty Mutual Insurance Company |
| Markel American Insurance Company |
| Midwest Family Mutual Insurance Company |
| Nationwide Mutual Insurance Company |
| Old Guard Insurance Company |
| Philadelphia Indemnity Insurance Company |
| Privilege Underwriters Reciprocal Exchange |
| Rock Ridge Insurance Company |
| State Farm Fire and Casualty Company |
| Stillwater Insurance Company |
| The Celina Mutual Insurance Company |
| The Charter Oak Fire Insurance Company |
| The Cincinnati Insurance Company |
| The Ohio Casualty Insurance Company |
| The Standard Fire Insurance Company |
| Travelers Personal Insurance Company |
| Trustgard Insurance Company |
| United Services Automobile Association |
| Westfield Insurance Company, Westfied National Insurance Company |