| The Hartford Financial Services Group, Inc. (Principal Office Location: Hartford, Connecticut) |
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| Mercury General Corporation (Principal Office Location: Los Angeles, California) |
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| Infinity Insurance |
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| Allied Insurance |
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| Safeco |
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| Workmen's Auto Insurance Company |
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| Blue Cross / Blue Shield |
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| Farmers Insurance |
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| State Fund |
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| GeoVera Insurance |
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| Aetna |
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| Foremost Insurance Group (Principal Office Location: Caledonia, Michigan) |
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| Philadelphia Insurance Companies |
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| AIG Agency Auto |
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| MetLife |
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| Access General |
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| Blue Cross of California |
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| Blue Shield of California |
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| Golden Eagle Insurance |
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| Stillwater Insurance Group (Principal Office Location: Jacksonville, Florida) |
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| Commerce Insurance Co. |
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| Travelers |
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| Kaiser Permanente |
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| Berkshire Hathaway Homestate Companies |
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| Commercial Mutual Insurance |
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| United States Liability Insurance Group |
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| AMTrust |
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| Travelers Commercial |
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| First American Property & Casualty Insurance Group |
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| First American Insurance Company |
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| Bristol West |
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| Crusader Insurance Company |
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| Safeway Insurance |
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| Western United |
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| Kemper Specialty |
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| Sagamore Insurance Co. |
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| American Mercury Insurance Co. |
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| Cabrillo General Insurance Agency |
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| GMAC Insurance |
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| Arrowhead General |
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