| Liberty Mutual |
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| Auto Owners Insurance |
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| CNA Surety Corporation (Principal Office Location: Chicago, Illinois) |
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| Berkshire Hathaway Homestate Companies |
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| United States Liability Insurance Group |
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| BTIS |
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| Berkley Classics |
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| Safeco |
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| Colorado Casualty |
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| Pinnacol Assurance |
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| Philadelphia Insurance Companies |
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| Nationwide |
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| The Hartford Financial Services Group, Inc. (Principal Office Location: Hartford, Connecticut) |
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| State Auto Insurance |
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| Travelers |
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| Zurich |
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| The Progressive Corporation (Principal Office Location: Mayfield Village, Ohio) |
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| Foremost Insurance Group (Principal Office Location: Caledonia, Michigan) |
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| Dairyland |
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| Kemper Insurance |
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| Mexipass Global Assurance |
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