| L & C Coalition
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| L Pac
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| L3Harris Corporation PAC (Federal)
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| La Crosse AFL-CIO Cope
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| La Crosse Area Realtors (Unregistered)
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| La Crosse Baseball LLC dba La Crosse Loggers (Corporation)
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| La Crosse Co Democratic Party
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| La Crosse Co Republican Party
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| La Crosse Co Republican Women
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| La Crosse Education Association
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| La Crosse-Police Non-Supervisory Assn
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| Laborer's Local 1091 AFL-CIO
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| Laborers Construction Local 539
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| Laborers International Local 113
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| Laborers Political League (Corporation)
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| Lac Courte Oreilles (Unregistered)
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| Ladwig for County Executive (Local-Racine, WI)
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| Lafayette Co Democratic Party
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| Lafayette County Republican Club
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| Lahti for Assembly
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