| Massachusetts Mutual PAC (Federal)
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| Master, Mates & Pilot Political Contribution Fund (Federal)
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| MATC Campus Equity Fund
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| Matt Gunderson for US Senate
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| Matt Lederer for State Assembly
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| Matthew Prior for District Attorney
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| Maureen May-Grimm for Assembly
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| Maxim Healthcare Services Inc Political Action Committee (Federal)
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| Maximus (MAXPAC)
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| Maximus Inc (Corporation)
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| Maximus Inc PAC
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| Mayadev For Wisconsinf
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| Mayne for Senate (Out-of-state: Utah Legislature)
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| Mayor Curt Gielow PAC
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| MayPAC (May Dept Stores) (Federal)
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| mCapitol Management MWH Americas Employee PAC
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| McBride for Alderman (Local-Wauwatosa, WI)
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| McBride for Assembly
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| McCarville For Assembly
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| McCormick for State Assembly
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