| Blm PAC LLC | O | CO |
| Block By Block PAC | N | PA |
| Blockchain Association Political Action Committee (Ba Pac) | N | DC |
| Blockchain Freedom PAC | O | DC |
| Blockchain of Command | N | LA |
| Blockimpeachment.Org | O | VA |
| Block PAC | O | TX |
| Blockpac | V | DC |
| Blockpac.Net | O | TX |
| Bloc PAC | O | WI |
| Bloom Energy PAC | N | CA |
| Bloomfield, Bill | I | CA |
| Bloomin' Brands, INC. Political Action Committee | Q | FL |
| Blucora INC PAC | N | TX |
| Blue2022 | O | CA |
| Blue 2032 Committee | O | CA |
| Blue '24 | H | CA |
| Blue Action PAC | N | NY |
| Blue Action Political Action | N | NY |
| Blue Action Political Action Committee | N | NY |
| Blue Action South Central Austin | N | TX |
| Blue America PAC | Q | DC |
| Blue America PAC Independent Expenditure Committee | O | DC |
| Blue America Project | V | DC |
| Blue Amp Action PAC | V | OH |
| Blue and Gold Fund | N | MA |
| Blue Bell Creameries USA, INC PAC | Q | TX |
| Bluebird Bio, INC. Political Action Committee (D/B/A Bluebird Bio Pac) | N | CA |
| Blue Brigade Select Committee | N | MI |
| Blue Campaign for | N | CA |
| Blue Cd2 New Mexico USA | O | NM |
| Blue Central Valley Fund | H | NC |
| Blue Collar Politics | H | NY |
| Blue Colorado Fund | N | CO |
| Blue Congress | O | MD |
| Blue Cross and Blue Shield of Kansas City Federal PAC | Q | MO |
| Blue Cross and Blue Shield of Kansas, INC. Employee PAC | Q | KS |
| Blue Cross and Blue Shield of Nebraska PAC | Q | NE |
| Blue Cross and Blue Shield of North Carolina Employee Political Action Committee | Q | NC |
| Blue Cross Blue Shield of Alabama PAC | Q | AL |
| Blue Cross Blue Shield of Michigan PAC | Q | MI |
| Blue Cross Blue Shield of South Carolina Federal Government Programs | Q | SC |
| Bluecross Blueshield of Tennessee INC Political Action Committee (Bcbstn Pac) | Q | TN |
| Blue Diamond Growers Political Action Committee | Q | CA |
| Blue Dog Political Action Committee | Q | MD |
| Blue Faith PAC | O | TX |
| Blue Future | O | TX |
| Blue Georgia | N | GA |
| Blue Georgia Leadership PAC | N | GA |
| Bluegrass Committee | Q | VA |
| Bluegrass Conservatives PAC | O | KY |
| Bluegrass Freedom Committee | N | GA |
| Bluegrass PAC | N | VA |
| Bluegrassroots PAC | O | FL |
| Bluegreen Alliance INC. | I | MN |
| Blue Green Victory Fund | N | CA |
| Blue Hen Federal PAC | Q | DC |
| Blue Hen State and Local PAC | N | DC |
| Blue Horizon | I | DC |
| Blue Horizon Action | O | DC |
| Blue Horizon PAC | N | CA |
| Blue Horizon PAC, INC. | N | GA |
| Blue Leadership Collaborative | Q | CA |
| Blue Line PAC | N | IL |
| Blue Majority PAC | Q | WI |
| Bluemethod.Org | N | VA |
| Blue Momentum PAC | Q | CA |
| Blue Nevada PAC | N | NV |
| Blue One By One | O | FL |
| Blue Options | N | PA |
| Blue Organizing Project | O | DC |
| Blue Origin LLC Political Action Committee (Blue Origin Pac) | Q | WA |
| Blue PAC | O | DC |
| Bluepac - Blue Cross Blue Shield Association PAC | Q | DC |
| Blue Pa PAC | O | PA |
| Blue Power PAC | Q | NJ |
| Blueprint for Progress | O | TN |
| Blueprint for Progress | N | OH |
| Blue Quads Victory Fund | S | MA |
| Blue Revolt USA | N | GA |
| Blue Ridge Bridge Builder Fund | N | CA |
| Blue Ridge Mountain PAC | O | GA |
| Blue Ridge Victory Fund | N | NC |
| Blue Rino Hunting Club Federal | O | TN |
| Blue Rising | W | CO |
| Blue Senate 2020 | S | DC |
| Blue Senate 2022 | S | DC |
| Blue Senate 2024 | S | DC |
| Blue Senate Candidate Fund | N | DC |
| Blue Senate Majority 2020 | N | DC |
| Blue Senate PAC | N | DC |
| Blue Shield of California Political Action Committee | Q | CA |
| Blueshift Media | O | FL |
| Blue Sky Waukesha | I | WI |
| Blue Slate | O | AZ |
| Blue South | O | DC |
| Blue Spruce Victory Fund | N | DC |
| Blue States PAC | Q | DC |
| Blue Summit County | N | CO |
| Blue Summit County | I | CO |
| Blue Texas 2020 | H | DC |
| Blue Texas Fund | N | DC |
| Blue Texas PAC | O | TX |
| Blue Tide Ny-1 LLC | O | NY |
| Blue Tide PAC | N | MI |
| Blue to Red PAC INC. | O | MD |
| Blue to the Future | N | DC |
| Blue to the Future 2024 | N | DC |
| Blue Train | N | DC |
| Blue Turnout Project | O | TX |
| Blue Uprising | V | CA |
| Blue Values | O | FL |
| Blue Victory Fund | H | DC |
| Blue Victory Fund PAC | N | DC |
| Blue Vision | N | MN |
| Bluevote.Org | O | PA |
| Blue Voter Project | N | CA |
| Blue Wall Senate Victory Fund | N | DC |
| Blue Wall USA | O | PA |
| Blue Wave Action D/B/A Bwa | O | MI |
| Blue Wave America | N | AZ |
| Bluewaveamerica | O | KY |
| Blue Wave California | W | CA |
| Blue Wave Coalition | O | CO |
| Bluewavenj | I | NJ |
| Blue Wave PAC | O | DC |
| Blue Wave PAC | O | CA |
| Blue Wave Project | Q | OR |
| Blumenauer Century Fund | N | OR |
| Blumenauer for Congress | H | OR |
| Blumenthal for Connecticut | S | CT |
| Blumenthal Victory Fund | N | DC |
| Blum for Congress | H | IA |
| Blum Victory Fund | N | VA |
| Blunt Rochester Schiff Victory Fund | N | DC |
| Blunt Victory Committee | N | VA |
| Blyons4congress.Com | H | TN |
| Blyth America John Blyth for President of the United States | P | IL |
| B Millionaire President Quinci Pryce | P | CA |
| Bmi Political Action Committee (Bmi Pac) | Q | NY |
| Bmo Financial Corp Good Governance Fund: Federal (Bmo Pac) | Q | IL |
| Bmo Financial Corporation Good Governance Fund: General | Q | IL |
| B Multimillionaire President Quinci Pryce | P | CA |
| Bmw Victory Committee | H | GA |
| Bnsf Railway Company Railpac (Bnsf Railpac) | Q | TX |
| Boardwalk Gp, LLC Public Affairs Committee (Boardwalk Public Affairs Committee) | Q | TX |
| Boaters for America Political Action Committee | N | NY |
| Boatman for Congress | H | TX |
| Boatner for Congress | H | TN |
| Bob Anders - A Voice for Change | H | MO |
| Bob Archuleta for Congress 2024 | H | CA |
| Bobbi for Eastern Washington | H | WA |
| Bob Bishop for Congress Ny-19 | H | NY |
| Bobblehead Dave Congress | H | WA |
| Bob Brady for Congress | H | PA |
| Bobby Bliatout for Congress | H | CA |
| Bobby Digi for Assembly | H | NY |
| Bobby for Iowa | H | IA |
| Bobby Jeffries for Congress | H | PA |
| Bobby Jeffries for US Senate | S | PA |
| Bobby Kaple for Congress | H | GA |
| Bobby Kern for President | P | IN |
| Bobby Lyons for Congress | H | TN |
| Bobby Mahendra for Senate | S | NV |
| Bob Casey for Senate INC | S | PA |
| Bob Conaway for Congress | H | CA |
| Bob Corker for Senate 2018 INC | S | TN |
| Bob Devore for Congress | H | KY |
| Bob Elliott for Congress | H | CA |
| Bob Ely Is Your Worst Alternative for President Committee | P | IL |
| Bob Etheridge for Congress Committee | H | NC |
| Bob Forbes for Pa 10 | H | PA |
| Bob Gardner for Congress | H | CO |
| Bob Glasgow for Congress | H | AZ |
| Bob Gray for Congress | H | GA |
| Bob Hagglund for U.S. Senate | S | WA |
| Bob Hamilton for Kansas INC. | S | KS |
| Bob Healey for Congress | H | NJ |
| Bob Hendry for Congress | H | TN |
| Bob Hugin for Senate INC | S | NJ |
| Bob Kennedy for Congress | H | PA |
| Bob King for Texas-21 | H | TX |
| Bob Lewis for Cd4 | H | CO |
| Bob Liebman for Congress | H | NM |
| Bob Look for US Congress | H | WI |
| Bob Marshall for Congress | H | VA |
| Bob Marshall for Senate INC | S | VA |
| Bob McDermott for Senate | S | HI |
| Bob Musselwhite for Congress | H | AZ |
| Bobolsenin 2018 | H | AZ |
| Bob Rackleff Campaign Committee | H | FL |
| Bobrogersforcongress | H | AL |
| Bob Schaffer for US Senate | S | CO |
| Bob Scott for Congress Committee | H | TN |
| Bob Stump Election Committee | H | AZ |
| Bob Titley Campaign Committee | H | TN |
| Bob Worthen Campaign | H | TX |
| Bob Wyman for Congress | H | NY |
| Bocanegra for Senate | S | CA |
| Bochetto for Senate | S | PA |