| United Food & Commercial Workers International Union (Corporation)
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| United Food & Commercial Workers International Union Working Families Advocacy Project (Federal)
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| United Food & Commercial Workers Local 1473 PAC
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| United Food & Commercial Workers Union - UFCW (Federal)
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| United Health Group Incorporated PAC - United for Health
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| United Health Group Incorporated PAC - United for Health (Federal)
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| United Healthcare
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| United Lakewood Educators
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| United Mine Workers America - Coal Miners
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| United Paperworkers International
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| United Parcel Service of America (UPSPAC)
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| United Phoenix Firefighters local 493 (Unregistered, Arizona)
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| United Pilots PAC
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| United Pilots PAC (Federal)
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| United Rural Democrats of America (Federal)
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| United Services Automobile Assn (USAA) Employee PAC
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| United Services Automobile Association Employee PAC
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| United Staff (Conduit)
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| United Steel Workers International Union Local 11-75
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| United Steelworkers A Legislative Committee
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