| Allied Insurance |
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| Safeco |
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| The Progressive Corporation (Principal Office Location: Mayfield Village, Ohio) |
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| Mercury General Corporation (Principal Office Location: Los Angeles, California) |
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| Foremost Insurance Group (Principal Office Location: Caledonia, Michigan) |
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| Auto Owners Insurance |
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| Donegal Insurance Group |
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| Rockingham Group |
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| General Casualty |
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| Travelers |
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