| Michels Corporation (Corporation)
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| Microsoft
|
| Microsoft Corporation Stakeholders Voluntary PAC (Federal)
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| Mid-States Aluminum Corp (Corporation)
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| Middle Class Priorities
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| Middle River Rehabilitation LLC (Corporation)
|
| Middle Wisconsin
|
| Middleton Action Team (Unregistered)
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| Middleton Education Association
|
| Midwest Alliance of Sovereign Tribes
|
| Midwest Dental Management (Corporation)
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| Midwest Detox (Corporation)
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| Midwest Food Processors PAC
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| Midwest Growth Fund
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| Midwest Values PAC (Al Franken Leadership PAC)
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| Midwest Victory Team
|
| Mike Bilirakis for Congress (Federal-Florida)
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| Mike Falkofske for Kenosha School Board (Local)
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| Mike Fong for Assembly (Out-of-State: California)
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| Mike Gallagher for Wisconsin (Federal Candidate)
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