| Liberty Mutual |
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| Selective Insurance Company |
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| Allstate Insurance |
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| Grinnell Mutual |
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| Nationwide |
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| Safeco |
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| The Harford Insurance |
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| The Progressive Corporation (Principal Office Location: Mayfield Village, Ohio) |
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| Berkshire Hathaway GUARD Insurance Companies (Principal Office Location: Wilkes-Barre, Pennsylvania) |
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| Markel Insurance |
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| CNA Surety Corporation (Principal Office Location: Chicago, Illinois) |
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| MetLife |
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| Travelers |
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| Hagerty Insurance |
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| Philadelphia Insurance Companies |
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| National General Holdings Corp. (Principal Office Location: New York, New York) |
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| State Auto Insurance |
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| American Strategic Insurance |
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| Berkshire Hathaway Homestate Companies |
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| American Modern Insurance Group |
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