| Citzens for Fair Sentencing (Recall)
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| Citziens for Laketa Cole (Local-Cincinnati, OH)
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| CivicForum PAC
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| Clancy for Assembly
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| Clara Serrano 4 Eau Claire (Local-Eau Claire, WI)
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| Clarenbach Committee
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| Clarenbach for Congress
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| Clark Co Democratic Party
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| Clark for Wisconsin
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| Clausing for State Senate
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| Clausius for Mayor (Local-Sun Praire, WI)
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| Clay Jr for Congress (Federal Candidate - Missouri)
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| Clean Grid Alliance (Corporation)
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| Clean Sweep Wisconsin PAC
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| Clean Water Action Voter
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| Clean Wisconsin Action Fund PAC
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| Cleghorn Jones (Corporation)
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| Clementi Campaign Committee
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| Cliff Bentz for Congress (Federal Candidate - Oregon)
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| Cliff Otte for Assembly Comm
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