| Brooks Tractor (Corporation)
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| Brotherhood of Locomotive Engineers
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| Brotherhood of Locomotive Engineers & Trainmen (Federal)
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| Brotherhood of Locomotive Engineers & Trainmen (Federal)
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| Brotherhood of Maintenance of Way Employees
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| Brown & Williamson Tobacco PAC
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| Brown Co Republican Women
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| Brown County Attorneys for Prosser
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| Brown for State Senate
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| Brown-Forman Com for Resp Govt
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| Browning-Ferris Industries
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| Brownlow for Assembly
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| Bruce Danielson for State Assembly
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| Brunswick Good Government Fund (Federal)
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| Brunswick Marine Policy PAC (Federal)
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| Bryan Cave LLP Political Fund PAC
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| Buchanan for County Board (Local-Rocky County)
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| Buckley for Assembly
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| Buffalo County Democratic Party
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| Buffalo County Republican Party
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