| Bennet for Colorado | S | CO |
| Bennet Golden Victory Fund | N | DC |
| Bennet Neguse Victory Fund | S | DC |
| Bennett Lapides for Congress | H | TN |
| Bennet Warner Victory | S | VA |
| Bennet Wyden Victory Fund | S | DC |
| Benno for Congress | H | NY |
| Ben PAC | H | NY |
| Ben Samuels for Congress | H | MO |
| Ben Sasse for U.S. Senate, INC. | S | NE |
| Ben Savage for Congress | H | CA |
| Ben Schnure Super PAC | N | MD |
| Ben Sigel for Congress | H | MA |
| Ben Smilowitz for Congress | H | MD |
| Benson for Senate | S | MN |
| Benson Gitau for Congress | H | TX |
| Ben Sorensen for Congress | H | FL |
| Ben Stewart | P | TN |
| Ben Taylor Campaign | H | NJ |
| Bentivolio for Congress | H | MI |
| Bentley Systems, Incorporated Federal PAC | Q | PA |
| Ben Toma for Congress | H | AZ |
| Benton Stearns Area Progressives | N | MN |
| Ben van Winkle for Congress | H | TX |
| Benzon4hisd | N | TX |
| Be of Good Cheer PAC | N | VA |
| Be Progressive Or Else PAC | N | NC |
| Bequette for Arkansas | S | AR |
| Bera for Congress | H | CA |
| Bera Victory Fund | N | CA |
| Berbrick for Congress | H | RI |
| Bergen Republican Leadership Team | N | NJ |
| Berger for Congress | H | NC |
| Berger & Montague Federal PAC | N | PA |
| Bergeson & Campbell P.C. PAC | N | DC |
| Bergmanforcongress | H | MI |
| Bergman Moolenaar Leadership Committee | N | MI |
| Bergmann for Congress | H | TN |
| Bergmann for Congress 2018 | H | TN |
| Bergmann for Congress Campaign | H | TN |
| Bergman Stewart Walberg Victory Committee | H | MD |
| Bergman Victory Committee | N | VA |
| Bergman Walberg Leadership Committee | N | GA |
| Berkebile Nelson Immenschuh McDowell Incorporated PAC | N | MO |
| Berkeley Democratic Club PAC - Federal | N | CA |
| Berkeley Electric Cooperative, INC. Employee PAC | Q | SC |
| Berkshire Brigades PAC | N | MA |
| Berkshire Hathaway Energy Company PAC | Q | IA |
| Berman4congress2make America Geeky Again | S | WA |
| Bernadette for Az | H | AZ |
| Bernadette for Congress | H | AZ |
| Bernadette Pittman for Congress | H | FL |
| Bernard for Congress | H | LA |
| Bernard Johnson 4 Congress | H | TX |
| Bernard Sansaricq Campaign 4 US Congress D20 Fl. | H | FL |
| Berney Flowers for Congress | H | MD |
| Bernheisel for President | P | TX |
| Bernie 2016 | P | VT |
| Bernie 2020 | P | VT |
| Bernie Moreno for Ohio | S | OH |
| Bernie Moreno for Senate | S | OH |
| Bero for Congress | H | MD |
| Berryhill for Congress | H | TX |
| Bert for Senate | S | VA |
| Bertrand for Congress | H | IA |
| Beryl Billiot Campaign Fund | S | LA |
| Best 4 America | N | MA |
| Best and Brightest PAC | V | FL |
| Best At Bringing Entrepreneurial Results Never Imagined Or Envisioned PAC | N | GA |
| Best Buy CO., INC. Employee Political Forum | Q | MN |
| Best Days Ahead | O | NY |
| Best Days Lie Ahead Committee | O | NV |
| Best Ever | P | AL |
| Best for Kentucky | H | KY |
| Best Friends of Adam Benedetto | S | WI |
| Best Griffith Committee | P | TX |
| Best in Government Political Action Committee Big PAC | Q | AL |
| Best of America PAC | O | GA |
| Best of Tennessee Action Fund | O | TN |
| Best of the West | N | DC |
| Best PAC | Q | TX |
| Bethany Mann for Congress | H | MO |
| Beth Doglio for Congress | H | WA |
| Beth Doglio for Congress Exploratory Committtee | H | WA |
| Bethel4congress | H | TX |
| Be the System PAC | O | MA |
| Be the Term Limit PAC | N | MI |
| Beth Farnham for Congress | H | PA |
| Beth for Congress | H | MA |
| Beth for Indiana | H | IN |
| Beth Fukumoto for Hawaii | H | HI |
| Beth Hampson for Congress 2022 | H | CA |
| Bethlehem City Democratic Committee | X | PA |
| Beth Lindstrom for US Senate INC | S | MA |
| Beth van Duyne for Congress | H | TX |
| Beth Victory Fund | N | TX |
| Beto for Texas | S | TX |
| Bet on Michigan | O | MI |
| Be True Blue PAC | V | DC |
| Betsy Dirksen Londrigan 2020 Victory Fund | N | MD |
| Betsy Dirksen Londrigan for Congress | H | IL |
| Betsy Rader for Congress | H | OH |
| Better | P | CA |
| Better 4 Illinois PAC | N | IL |
| Better Access to Chiropractic PAC (Chiropractic Future, Llc) | O | OR |
| Better America Better Africa Political Action Committee | V | TX |
| Better America Project | V | CA |
| Better America Under Conservatives PAC, INC. | O | NC |
| Better Boats for America | O | MI |
| Better California | O | TX |
| Better Community Results - Super PAC | O | NJ |
| Better Future for Everyone PAC | V | DC |
| Better Future Mi Fund | O | MA |
| Better Georgia INC. | I | GA |
| Better Government Committee of United Community Banks, INC. | Q | GA |
| Better Government for A Better America PAC | N | FL |
| Better Government for A Better America, PAC | N | AR |
| Better Government PAC | N | DC |
| Better Government Representation | V | VA |
| Better Holdco INC. PAC | N | NY |
| Better Leaders Stronger Future INC. | I | TX |
| Better Lunches for America (Bla) | N | KY |
| Better Michigan Fund | N | WI |
| Better Ohio PAC | V | OH |
| Better Organizing to Win Legalization Political Action Committee (Bowl Pac) | N | DC |
| Better Path Forward PAC, INC. | N | OH |
| Better Road Louisiana | O | LA |
| Better Solutions | O | PA |
| Better Than Boebert | O | CO |
| Better Tomorrow PAC | V | VA |
| Better West Virginia PAC | O | VA |
| Bettina Rodriguez-Aguilera for Congress | H | FL |
| Betts for A Better Ohio | H | OH |
| Beve Jane Thakhamhor | P | HI |
| Beverly4congress | H | OH |
| Beverly Shores Future LLC | N | IN |
| Be Victorious Over Democrats PAC | N | TX |
| Beyer for Senate | S | WI |
| Beyond Finance Employee Political Action Committee | N | TX |
| Beyondroe.Com Political Fund | O | DC |
| Bfb PAC | N | DC |
| Bfd PAC | O | DC |
| Bferguson for U.S Congress | H | CT |
| Bgeez | P | AZ |
| Bgr PAC | Q | DC |
| Bhalla for Congress | H | NJ |
| Bharara for America | P | CT |
| Bh Committee | N | GA |
| Bhfs-E, PC PAC (Brownstein Hyatt Farber Schreck Political Action Committee) | Q | CO |
| Bhg Committee | N | GA |
| Biafran American Coalition Dba Biafra Political Action Committee | V | TX |
| Bianca for Sanfrancisco | H | CA |
| Biasco for Congress | H | NJ |
| Bice for Congress | H | OK |
| Bice for Ok-05 | H | MD |
| Bice Victory Committee | N | OK |
| Bi-County Political Action Committee | Q | NY |
| Biden Action Fund | N | DC |
| Bidenation | O | NC |
| Biden Fight Fund | N | DC |
| Biden for Maryland Delegate Committee | N | MD |
| Biden for President | P | PA |
| Biden Harris 2020 Super PAC | U | CA |
| Biden Hawaii Hui | I | HI |
| Biden Supporter Richard Grayson Is Running to Stop No Labels' Secret Plan to Elect Trump | H | AZ |
| Biden Victory Fund | N | DC |
| B.I.D. for America 2020 | N | DC |
| B.I.D. for America 2020 (Public Awareness Committee) | N | DC |
| Bienvenido Action PAC | O | TX |
| Bierschwale for U.S. Senate | S | TX |
| Big Dan Rodimer Victory Committee | N | NV |
| Bigfacts.Org | O | TX |
| Biggan for Congress | H | TX |
| Bigger Than One Man | N | GA |
| Biggs for Congress | H | VA |
| Biggs Victory Committee | N | VA |
| Big Guns Victory Fund | N | TX |
| Big Ideas Create Excellence - Bice PAC | N | OK |
| Big Nudge PAC | O | CA |
| Big Peach Progressives | V | GA |
| Big Red Leadership PAC | O | VA |
| Big River Media | I | TX |
| Big River Steel LLC Political Action Committee | N | AR |
| Big Sky 55+ | O | MT |
| Big Sky 55+ | I | MT |
| Big Sky Action Fund | O | MT |
| Big Sky Opportunity PAC | Q | VA |
| Big Sky Values PAC | Q | MT |
| Big Sky Voters PAC | O | MT |
| Big Sky Voters PAC | O | MT |
| Big Tent Project Fund | I | DE |
| Big Tent Republicans PAC | N | WY |
| Big Tree PAC | O | TX |
| Bikers for the President PAC | V | VA |
| Bilirakis-Castelli Victory Fund | H | FL |
| Bilirakis for Congress | H | FL |
| Bilirakis Lee Victory Fund | H | FL |
| Bill Allen for Congress | H | IN |
| Bill Bailey for Senate | S | TN |
| Bill Bledsoe Election Committee | S | SC |