| ABC Merit Fund (Conduit)
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| ABC of Wisconsin - Associated Builders & Contractors (Corporation)
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| ABCPAC-WIS
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| Abie Eisenbach for Assembly
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| Abigail Lowery for Wisconsin
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| Abigail Wuest for Dane County Board (Local)
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| Abolish the Electoral College (Federal)
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| Academic Staff of UW Campuses (ASPRO)
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| Academy of Nutrition & Dietetics PAC (ADA PAC) (Federal)
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| Acadia Healthcare Company Inc FEDPAC
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| ACC Wisconsin 2022 PAC
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| ACC Wisconsin PAC
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| Accounting & Tax Service of Viroqua (Corporation)
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| ACEC WI PAC (American Council of Engineering Companies)
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| ACLU Voter Education Fund
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| Act Blue (Conduit)
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| Act Blue (Unregistered)
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| Action Committee for Rural Electrification (Federal)
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| Activate America
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| Active Farm Equipment Dealers
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