| AOL Time Warner Inc (Federal)
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| Aon Corp
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| Apartment Assn of SE WI PAC
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| Apex Clean Energy Holdings (Corporation)
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| Apex Clean Energy PAC (Federal)
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| APK - Oak Ridge Care Center (Corporation)
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| APM Wisconsin - Advanced Pain Management (Corporation)
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| Appleton Coalition for Business Owners Rights
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| Appleton Police Benevolent Association
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| Appraisal Institute (Federal)
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| APRO PAC
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| Aqua America, Inc H20 PAC (Federal PAC)
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| Aramark Political Action Committee
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| Aranda for Wisconsin (Federal Candidate)
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| Arbor Green Inc (Corporation)
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| Arcadia Power (Corporation)
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| Arch Aplin III 11-88 dba Buc-ee's (Corporation)
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| Arch Electric Equipment Leasing (Corporation)
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| Arch PAC
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| Archer Daniels Midland (Federal)
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