| Democratic Party of Wisconsin Federal | Party committee | Democratic | $20.1M | $21.2M |
| 170 Freedom Milwaukee 2024 Host Committee Inc | Party committee | Republican | $1.3M | $7.3M |
| Direct Supply, Inc. Partners PAC (DSI Partners PAC) | PAC | | $3.4M | $4.8M |
| Republican Party of Wisconsin | Party committee | Republican | $4.7M | $3.7M |
| Americans 4 Security PAC | Super PAC | | $3.6M | $3.5M |
| Collins Victory Fund | PAC | | $2.3M | $2.3M |
| Strong PAC | Super PAC | | $2.3M | $2.3M |
| Brandon Herrera Victory Committee | PAC | | $2.3M | $2.2M |
| Defeating Communism PAC | Super PAC | Republican | $2.1M | $2.0M |
| Steil Victory Fund | PAC | | $2.0M | $2.0M |
| Mccormick Victory Fund | PAC | | $1.9M | $1.6M |
| Love America Uphold Freedom PAC | Super PAC | | $1.9M | $1.5M |
| This IS the PAC | PAC | | $629K | $1.2M |
| American Liberty Foundation | PAC | | $1.4M | $1.2M |
| Buckeye Liberty Political Action Committee | Leadership PAC | | $1.2M | $1.1M |
| Northwoods PAC | Super PAC | | $1.5M | $1.1M |
| Come and Take IT PAC | Super PAC | | $1.3M | $1.1M |
| Organizing Empowerment PAC | Super PAC | | $201K | $1.1M |
| Bloc PAC | Super PAC | | $26K | $1.1M |
| Outrider PAC | PAC | | $1.1M | $976K |
| Gatorpac | PAC | | $803K | $906K |
| Lalota Victory Fund | PAC | | $820K | $773K |
| Thrivent Financial for Lutherans Political Action Committee | PAC | New Alliance | $670K | $768K |
| The Northwestern Mutual Life Insurance Company Political Action Committee (Nmpac) | PAC | | $745K | $714K |
| Overhaul PAC | PAC | | $675K | $595K |
| People'S Voice PAC | Leadership PAC | | $471K | $591K |
| Constitutional Conservatives Fund | Super PAC | | $623K | $565K |
| Women for America'S Freedom | PAC | | $489K | $502K |
| Defending Conservative Values PAC | Super PAC | | $501K | $500K |
| Lead Encourage Elect PAC | Leadership PAC | | $764K | $491K |
| On Wisconsin PAC, Inc. | Leadership PAC | | $443K | $484K |
| International Union of Operating Engineers Local 139 | PAC | | $468K | $471K |
| Malliotakis Victory Committee | PAC | | $452K | $456K |
| Minocqua Brewing Company Superpac | Super PAC | | $349K | $381K |
| Miller-Meeks Victory Fund | PAC | | $352K | $358K |
| The Hawkeye PAC | Leadership PAC | | $372K | $354K |
| Baldwin for Wisconsin | PAC | | $78K | $345K |
| The Wisco Project PAC | Super PAC | | $390K | $326K |
| Davidson Victory Fund | PAC | | $317K | $317K |
| Keeping America Strong PAC | Super PAC | | $300K | $304K |
| SIX PAC | PAC | | $255K | $302K |
| Power to the Polls Federal Fund | Super PAC | | $88K | $286K |
| Sentry Insurance Company Federal Political Action Committee | PAC | | $294K | $276K |
| Sheepdog PAC | PAC | | $579K | $254K |
| Wagner for Missouri | PAC | | $246K | $246K |
| Meuser Victory Committee | PAC | | $242K | $242K |
| Stauber Victory Fund | PAC | | $223K | $228K |
| Strategy PAC | Leadership PAC | | $234K | $228K |
| Lean Forward America | PAC | | $214K | $205K |
| Oshkosh Corporation Employees PAC (Ocepac) | PAC | | $167K | $199K |
| JOE Kent Victory Fund | PAC | | $137K | $179K |
| Old Breed PAC | Leadership PAC | | $159K | $174K |
| Onder Victory Fund | PAC | | $173K | $173K |
| American Honor PAC | Super PAC | | $155K | $170K |
| U.S. Venture Inc. PAC | PAC | | $25K | $164K |
| Catholic Engagement PAC | Super PAC | | $459K | $162K |
| S. C. Johnson & SON, Inc Political Action Committee | PAC | | $159K | $155K |
| NO Nonsense PAC | PAC | | $152K | $153K |
| Show-Me Political Action Committee | Leadership PAC | | $511K | $150K |
| Mike Kennedy Victory Fund | PAC | | $150K | $150K |
| Let'S All Keep Electing Republicans PAC | PAC | | $200K | $149K |
| Wisconsin Bankers Association (Wisbankpac) | PAC | | $218K | $139K |
| Pa-First PAC | Leadership PAC | | $145K | $139K |
| Moms for Safe Streets | Super PAC | | $125K | $137K |
| Driscoll Victory Fund | PAC | | $149K | $136K |
| Feenstra Victory Fund | PAC | | $129K | $130K |
| Citizens for a Conservative Tennessee PAC | Super PAC | | $122K | $122K |
| Blac PAC | Super PAC | | $121K | $120K |
| Michael Best Political Action Committee | PAC | | $241K | $120K |
| Schneider National Inc., Transpac | PAC | | $130K | $117K |
| Nestpoint PAC | PAC | | $117K | $109K |
| American Family Mutual Insurance Company, S.I. Federal PAC (Amfam PAC) | PAC | | $106K | $109K |
| Fairbanks Morse, LLC Political Action Committee | PAC | | $104K | $107K |
| Mortgage Guaranty Insurance Corporation Political Action Committee ('Mgic-Pac') | PAC | | $114K | $107K |
| Cuna Mutual Holding Company Political Action Committee/Trustage PAC | PAC | | $85K | $106K |
| Neighbor Network | Super PAC | | $106K | $105K |
| Blue Majority PAC | Leadership PAC | | $152K | $101K |
| Milwaukee Police Association PAC | PAC | | $95K | $100K |
| Mike LEE Victory Fund | PAC | | $98K | $98K |
| Sheri Biggs Victory Fund | PAC | | $97K | $97K |
| NO Better Friend PAC | Super PAC | | $484 | $96K |
| Wagner Hill Victory Fund | PAC | | $93K | $93K |
| Catalina Lauf Victory Fund | PAC | | $97K | $93K |
| Keenan Victory Fund | PAC | | $92K | $92K |
| New Horizons PAC | PAC | | $90K | $91K |
| Advance Liberty PAC | Super PAC | | $72K | $87K |
| Competitive Markets PAC | PAC | | $93K | $83K |
| Mckee Victory Fund | PAC | | $82K | $82K |
| Duty, Honor, Courage | Super PAC | | $0 | $82K |
| Greater Minnesota Victory Fund | PAC | | $96K | $81K |
| Sconnie PAC | Leadership PAC | | $84K | $80K |
| Grassroots North Shore | Super PAC | | $77K | $73K |
| TDS Telecommunications Corporation PAC | PAC | | $48K | $70K |
| WEC Energy Group Political Action Committee | PAC | | $55K | $70K |
| Prosperity Action, Inc. | Leadership PAC | | $2,805 | $70K |
| Forward USA Federal Political Action Committee | Super PAC | | $3,987 | $68K |
| Tiger PAC | Leadership PAC | | $71K | $61K |
| Defend Freedom Political Action Committee | Leadership PAC | | $96K | $59K |
| The Justice Coalition Action PAC | PAC | | $49K | $58K |
| Hawkeye Fund | PAC | | $58K | $58K |
| National Funeral Directors Association of the United States Inc | PAC | | $69K | $58K |
| Iowa Values PAC | Leadership PAC | | $51K | $57K |
| Sensible American Solutions Supporting Everyone PAC | Leadership PAC | | $11K | $55K |
| American Academy of Emergency Medicine Political Action Committee Aaem PAC | PAC | | $27K | $55K |
| Northern Future | Super PAC | | $52K | $54K |
| Bell Ambulance, Inc. Employees PAC | PAC | | $68K | $52K |
| Skol PAC | Leadership PAC | Republican | $19K | $49K |
| Stop Newsom PAC | Super PAC | | $96K | $45K |
| Justin Kirk Victory Fund | PAC | | $42K | $42K |
| Nehls Victory Fund | PAC | | $41K | $41K |
| Wagner Victory Committee | PAC | | $40K | $40K |
| Right Wisconsin PAC | Leadership PAC | | $48K | $39K |
| Empire Strike PAC | Leadership PAC | | $1,675 | $38K |
| Liberty Champions | Super PAC | | $51K | $37K |
| Restoring Our Democracy (ROD PAC) | Leadership PAC | Republican | $16K | $36K |
| Waupaca County Republican Party | Party committee | Republican | $38K | $36K |
| Now Electing Honest Leadership and Service PAC | Leadership PAC | | $92K | $35K |
| Ohio Prosperity Project | Super PAC | | $37K | $34K |
| Southern Crown Partners' South Carolina PAC | Super PAC | | $39K | $33K |
| Mc-Kee PAC | Leadership PAC | | $36K | $33K |
| Heal America | Leadership PAC | | $37K | $32K |
| Independent Pharmacy Cooperative PAC ('Ipc Pac') | PAC | | $42K | $32K |
| Because Real Americans Never Doubt Our Nation | Leadership PAC | | $43K | $31K |
| Montana Way | PAC | | $30K | $30K |
| Light the Way Fund | PAC | | $29K | $29K |
| AO Smith Corporation Political Action Committee (Aospac) | PAC | | $23K | $29K |
| The American Dream PAC | PAC | | $5,000 | $28K |
| 1848 PAC | Leadership PAC | | $15K | $26K |
| Helping Elect American Leaders PAC Heal PAC | Leadership PAC | | $19K | $25K |
| Texas First, America Always | Super PAC | | $25K | $25K |
| Republican Party 2nd Cong District Wi | Party committee | Republican | $21K | $24K |
| Scott Fitzgerald Victory Fund | PAC | | $32K | $24K |
| Fighting for America PAC | Super PAC | | $34K | $22K |
| Epic Systems Corporation PAC (Epic PAC) | PAC | | $39K | $21K |
| Tony Wied Victory Committee | PAC | | $44K | $18K |
| PIT Crew PAC | Leadership PAC | | $2,000 | $18K |
| Stop AOC PAC | Super PAC | | $54K | $15K |
| Voces De LA Frontera Political Fund | Super PAC | | $103K | $13K |
| The Montana Way PAC | Leadership PAC | | $16K | $13K |
| Semper Fidelis PAC | Super PAC | | $43K | $12K |
| 7th District Republican Party of Wisconsin | Party committee | Republican | $14K | $12K |
| Defense of Freedom | PAC | | $34K | $11K |
| Plus PAC | Leadership PAC | | $11K | $11K |
| Right for Alaska | Super PAC | | $100K | $11K |
| IT Matters WHO Leads PAC | Leadership PAC | | $2,750 | $10K |
| Keep Electing New Talent PAC | Leadership PAC | | $3,600 | $9,646 |
| Laborers' Political League of Laborers Local 113 | PAC | | $47K | $8,179 |
| Poverty to Prosperity | Super PAC | | $200K | $7,551 |
| Wisconsin Working PAC | Super PAC | | $515K | $6,191 |
| Republican Party Sixth Congressional District of Wisconsin | Party committee | Republican | $4,035 | $4,329 |
| Fair Wisconsin Federal PAC | Super PAC | | $50K | $4,313 |
| 4the56 | Super PAC | | $3,500 | $3,500 |
| Free Indeed PAC | Leadership PAC | | $0 | $3,205 |
| Knowledge, Integrity, Responsibility and Kinship PAC | Leadership PAC | | $2,381 | $2,381 |
| Fifth Cong Dist DEM Party | Party committee | Democratic | $5,174 | $1,503 |
| Sensible American Solutions Supporting Everyone State PAC | Leadership PAC | | $0 | $1,165 |
| Dedicated Action Victory Initiative Strategy PAC | Leadership PAC | | $163 | $1,014 |
| Republican Party-Eau Claire County | Party committee | Republican | $0 | $813 |
| Ohio Freedom Fund Political Action Committee | Super PAC | | $50K | $562 |
| Save New York PAC | Leadership PAC | | $2,814 | $500 |
| Wisconsin Progressive Party Inc. | Party committee | | $135 | $63 |
| Four Tour PAC | Leadership PAC | Republican | $1,637 | $0 |
| DAM MAN PAC | Leadership PAC | | $7,000 | $0 |
| Neighbor Voices PAC | Super PAC | | $1.3M | $0 |