| The Progressive Corporation (Principal Office Location: Mayfield Village, Ohio) |
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| Farmers Insurance |
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| Celtic Insurance Company |
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| Humana |
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| United Health Care |
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| Great American Insurance Group |
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| MetLife |
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| Golden Rule Insurance |
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| Blue Cross Blue Shield of IL |
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| Stonegate Insurance Company |
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| National General Holdings Corp. (Principal Office Location: New York, New York) |
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| Nationwide |
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