| Janesville Professional Police Association
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| Janet Bewley for Senate
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| Janet Protasiewicz for Justice
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| Jarchow for Wisconsin
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| Jason Dean for Wisconsin
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| Jason Fields for Assembly
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| Jason Schmitz For Assembly
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| JDH Cranberries LLC (Corporation)
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| Jean Stothert for Omaha committee (Out-of-state: Omaha, NE)
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| Jeanne Bruce for Assembly
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| Jeff Foster for Dunn County Executive District 1 (Local)
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| Jeff Peck for Wisconsin
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| Jeff Wright for Assembly
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| Jefferson Co Republican Party
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| Jefferson County Central Labor
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| Jeffrey Fahl for Assembly
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| Jeffrey Wood for Assembly
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| Jeffries for Congress (Federal Candidate, New York)
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| Jennifer Morales for School Board (Milwaukee, WI)
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| Jenny Wilson for Mayor (Out-of-state: Salt Lake City, UT)
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