| Burnick for Assembly
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| Burns for Wisconsin
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| Bush/Cheney '04 (Federal)
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| Bushman Associates (Corporation)
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| Business Industry Political Action Committee
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| Butterfield For Congress (Federal Candidate, North Carolina)
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| Byrne2006
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| Cal Fire Local 2881 (Unregistered, CA)
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| Calabrese For Assembly
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| Calderone Club (Corporation)
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| Caleb Frostman for State Senate
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| California Professional Firefighters (Unregistered)
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| Callahan for Wisconsin
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| Calpine Corporation PAC
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| Calumet Co Republican Party
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| Calumet County Citizens for Change
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| Calumet County Democratic Party
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| Camosy Construction (Corporation)
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| Campaign America
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| Campaign Committee of Dominique Stewart (Local-Menomonie Area School District)
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