| We the People Wisconsin (WTP)
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| We-Against Corrupt Public Officers
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| WEAC Fox Valley/Winnebagoland Educational Staff
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| WEAC PAC
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| WEAC PAC Brookfield
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| WEAC Region 1 PAC (Northwest United Educators-NUEPAC)
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| WEAC Region 2 PAC
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| WEAC Region 3 PAC (Bay Lakes United Northeast Educators/Bayland)
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| WEAC Region 5 PAC (South Central Education Association)
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| WEAC Region 6 PAC
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| WEAC Region 7 PAC
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| Weber for Assembly
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| WEC Energy Group (Corporation)
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| WEC Energy Group PAC (WEC PAC)
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| WEDA (Conduit)
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| Weimer Bearing & Transmission (Corporation)
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| Weissenberger for Sheriff (Local-La Crosse County)
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| Wellbrook Recovery Brookfield LLC (Corporation)
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| WellCare Health Plans Inc PAC (Federal)
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| Wells Fargo Bank (formerly Norwest Bank)
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