| Brog for Nevada | H | NV |
| Broken Hearts & Damaged Stars for Elvis Gootkin for President | P | MI |
| Broker Action Coalition PAC (Bacpac) for Association of Independent Mortgage Experts | N | PA |
| Bronke for Congress United | H | MI |
| Bronx United | O | NY |
| Brookdale Senior Living PAC | Q | TN |
| Brooke McGowan for North Carolina | H | NC |
| Brooke - One of You, for You! | P | WA |
| Brooker for Congress | H | NC |
| Brooke Taylor for Congress | H | VA |
| Brooke Taylor for Congress 2024 | H | VA |
| Brooke Victory Fund | N | VA |
| Brookfield Properties Retail INC. PAC | Q | IL |
| Brooklyn Griffin | P | OH |
| Brooksbank for Congress | H | IN |
| Brooks for Congress | H | PA |
| Brooks for Senate | S | TN |
| Brookshire Brothers, INC. | N | TX |
| Brookshire Grocery Company PAC | N | TX |
| Brookville Citizens for Keep It Rural | N | OH |
| Broom/Clarkson, Robert/Mary Vail/Prudence | I | NB |
| Brothas, INC. | O | GA |
| Brotherhood of Locomotive Engineers and Trainmen | C | OH |
| Brotherhood of Locomotive Engineers & Trainmen PAC Fund | Q | OH |
| Brotherhood of Railroad Signalmen | I | VA |
| Brotherhood of Railroad Signalmen Political Action Committee | Q | VA |
| Brothers Checkered Productions | P | DC |
| Brouse & McDowell, A Legal Professional Association Fsl PAC | Q | OH |
| Brown County Committee to Save Democracy LLC | N | OH |
| Brown-Domenici Victory | N | NV |
| Brown for Congress | H | CA |
| Brown for Congress 2020 | H | FL |
| Brown-Forman Corporation Non-Partisan Committee for Responsible Government | Q | KY |
| Brown for Senate 2028 | S | NC |
| Browning for Congress | H | PA |
| Brownley Smith Victory Fund | H | DC |
| Brown/Rogers Victory Fund | N | NV |
| Brown/Rogers Victory Fund | N | NV |
| Brown Rudnick LLP Federal Political Action Committee | Q | MA |
| Brown'S Elections Committee | N | NC |
| Brubaker for Wyoming | H | WY |
| Bruce 4 President | P | WA |
| Bruce Boyer for Congress | H | CA |
| Bruce Davis for US Congress | H | NC |
| Bruce Fenton for Liberty | S | NH |
| Bruce John Kenneway, Independent President, November 2020 Using the Write in Vote | P | ME |
| Bruce Lloyd Hammond for Texas 12 | H | TX |
| Bruce Lou for Congress | H | CA |
| Bruce Majors for Delegate | H | DC |
| Bruce Nixon PAC | V | AZ |
| Bruce O'Connell for Congress | H | NC |
| Bruce Poliquin for Congress | H | ME |
| Bruce, Robert Harold | I | TX |
| Bruce Whalen for U.S. Senate | S | SD |
| Brunini Pac; the | N | MS |
| Bruno A Barreiro Campaign | H | FL |
| Bruno for Congress | H | DC |
| Bruno Grandsard for Congress | H | NY |
| Brunswick Corporation Good Government Fund | Q | IL |
| Bruzzone, Linda L. L. | I | NV |
| Br Victory 2018 | N | VA |
| Bryan Berghoef for Congress | H | MI |
| Bryan Caforio for Congress | H | CA |
| Bryan Cave LLP Political Action Committee | Q | DC |
| Bryan Fletcher for Congress | H | CA |
| Bryan for Broward | H | FL |
| Bryan for Pa | H | PA |
| Bryan Garrett for President | P | TX |
| Bryan Hill for Senate | S | NY |
| Bryan Jones for Congress | H | FL |
| Bryan Keller for Congress | H | WY |
| Bryan Kim for Congress | H | CA |
| Bryan Miller for US Senate | S | UT |
| Bryan Miller for Wyoming | H | WY |
| Bryan Newell for Congress | H | AL |
| Bryan Ollivier for President | P | CA |
| Bryan Sanford | P | CA |
| Bryan Smith for Idaho INC. | H | ID |
| Bryan'S Presidential Committee | X | NC |
| Bryant for US Senate | S | NC |
| Bryan Witt for Congress | H | CA |
| Brynne Kennedy for Congress | H | CA |
| Bsa , the Software Alliance PAC | N | DC |
| Bucco for Congress | H | NJ |
| Buchanan for Montana | H | MT |
| Buchanan for the People Committee | P | ID |
| Buchanan Ingersoll & Rooney PC Committee for Effective Government 'Birpc Pac' | Q | PA |
| Buckeye Action Fund | O | OH |
| Buckeye Conservatives PAC | O | DC |
| Buckeye Freedom Fund | O | VA |
| Buckeye Joint Fundraising Committee | N | VA |
| Buckeye Leadership Fund, INC. | O | OH |
| Buckeye Liberty Political Action Committee | N | DC |
| Buckeye PAC | N | OH |
| Buckeye Patriot Alliance | O | VA |
| Buckeye Patriot Political Action Committee | Q | OH |
| Buckeyes for A Strong Ohio | O | MA |
| Buckeyes for Values | O | OH |
| Buckeye State Rural | N | OH |
| Buckeye Values PAC | O | OH |
| Buckeye Victory Fund | N | DC |
| Buck for Colorado | H | CO |
| Buckhout for Congress-Gtm Nf Nc01 | H | VA |
| Buckhout Nc Victory Fund | N | NC |
| Buck Leadership Fund | N | VA |
| Buckley for U.S. Senate 2020 LLC | S | GA |
| Buckley for US Senate 2020 LLC | S | GA |
| Buckspac | O | PA |
| Bucshon for Congress | H | IN |
| Bucshon Victory Fund | N | VA |
| Budd for Nc Senate Republican Nominee Fund 2022 | S | VA |
| Budd Harris Victory Fund | N | VA |
| Budd Kennedy Majority Committee | N | NC |
| Budd Levy Majority Committee | N | NC |
| Budd Nc Victory Fund | N | NC |
| Budd Nc Victory Fund 2028 | N | NC |
| Budd North Carolina Victory Fund 2018 | N | NC |
| Budd Vance Victory Fund | N | NC |
| Budd Victory | N | NC |
| Budd Victory in North Carolina 2022 | N | TX |
| Buddy Carter for Congress | H | GA |
| Buddy PAC | Q | GA |
| Budwinski PAC | Q | DC |
| Budzinski Sorensen Victory Fund | N | IL |
| Budzinski Victory Fund | N | DC |
| Bugs Automotive | P | KY |
| Build A Campaign PAC (Back Pac) | V | NY |
| Build Alaska'S Future Action Fund | I | AK |
| Build America PAC | Q | NY |
| Build and Protect Ok | O | OK |
| Build Blue PAC | O | DC |
| Builders Association of Missouri Political Action Committe | Q | MO |
| Building A Better Ohio | O | OH |
| Building A Better Tomorrow | O | WI |
| Building A Competitive Keystone State (Backs) PAC | N | VA |
| Building America | O | CA |
| Building American Conservatism PAC Aka Go By Bac PAC | N | TX |
| Building America'S Economy | V | DC |
| Building America'S Future | I | DC |
| Building America'S Future | E | DC |
| Building America'S Republican Representation PAC | Q | GA |
| Building America Together | N | TN |
| Building A National Knowledgeable Security PAC | Q | MD |
| Building A National Knowlegeable Security PAC | N | IN |
| Building and Restoring America Together Political Action Committee | N | VA |
| Building and Restoring the American Dream Fund | N | MD |
| Building and Revitalizing American Democracy Fund | N | DC |
| Building A Republic America Deserves | N | NC |
| Building A Strong America | O | DC |
| Building A Strong Rhode Island | U | RI |
| Building Better Communities | O | FL |
| Building Black Political Power | N | CA |
| Building Effective Responsible Government PAC (Berg Pac) | N | ND |
| Building Innovative Good Government Solutions PAC | N | VA |
| Building Leadership and Inspiring New Enterprise PAC | Q | MO |
| Building Opportunities for A Stronger Tomorrow B.O.S.T. PAC | N | GA |
| Building Our Base - Bob PAC | N | VA |
| Building Owners and Managers Association International Political Action Committee | Q | DC |
| Building Relationships in Diverse Geographic Environments PAC (Bridge Pac) | Q | DC |
| Building Renewal in America Now PAC | N | VA |
| Building Republican Opportunities PAC | N | VA |
| Building Up Democracy'S Dream | Q | NC |
| Build Now Political Action Committee | V | VA |
| Build Our Future PAC | Q | FL |
| Build Our Future Together PAC | O | DC |
| Build Our Movement PAC | Q | WA |
| Build Political Action Committee of the National Association of Home Builders (Buildpac) | Q | DC |
| Build That Wall PAC | N | MD |
| Build the Bench PAC | N | DC |
| Build the Wall Now PAC, INC. | V | FL |
| Build the Wall Political Action Committee | N | CA |
| Build the Wave | N | NY |
| Build USA PAC | N | LA |
| Build Wisconsin PAC | N | VA |
| Build Your Better Future | O | CT |
| Bukewihge for President | P | WY |
| Bukovinac for President | P | VA |
| Bulgarian American Political Action Committee (Bapac) | N | NE |
| Bulldog Ben Robinson for Congress | H | OK |
| Bulldog Democrats | N | CT |
| Bulldog Nation PAC | N | KY |
| Bulldog PAC | N | VA |
| Bulldog Victory PAC | N | IA |
| Bulldog Victory PAC | N | IA |
| Bulletin Displays LLC | I | CA |
| Bull Moose Party | X | SD |
| Bull Moose Party | N | NY |
| B U L L M O O S E P A R T Y P A C | N | CA |
| Bull Moose Victory INC | V | DE |
| Bullock Bollier Greenfield Harrison Victory Fund | S | DC |
| Bullock for President | P | MT |
| Bullock Victory Fund | N | NC |
| Bumble Bee Foods PAC | Q | CA |
| Bunge North America INC Political Action Committee | Q | DC |
| Bunn4congress | H | OR |
| Burak for Senate | S | IL |
| Burchett for Congress | H | TN |
| Burdick for Congress 2020 | H | CA |
| Burger King Franchisee PAC | Q | GA |
| Burgess 4 Utah | H | UT |