| Democratic Party of Wisconsin Federal | Party committee | Democratic | $21.9M | $22.7M |
| 170 Freedom Milwaukee 2024 Host Committee Inc | Party committee | Republican | $1.3M | $7.3M |
| Americans 4 Security PAC | Super PAC | | $6.1M | $6.1M |
| Direct Supply, Inc. Partners PAC (DSI Partners PAC) | PAC | | $3.4M | $4.8M |
| Republican Party of Wisconsin | Party committee | Republican | $5.4M | $4.3M |
| Brandon Herrera Victory Committee | PAC | | $3.4M | $3.4M |
| Mccormick Victory Fund | PAC | | $2.6M | $2.6M |
| America First Forever | Leadership PAC | Republican | $2.5M | $2.5M |
| Collins Victory Fund | PAC | | $2.5M | $2.5M |
| Right for Alaska | Super PAC | | $2.4M | $2.4M |
| Strong PAC | Super PAC | | $2.3M | $2.3M |
| Steil Victory Fund | PAC | | $2.3M | $2.3M |
| Love America Uphold Freedom PAC | Super PAC | | $2.2M | $2.2M |
| Defeating Communism PAC | Super PAC | Republican | $2.5M | $2.0M |
| Come and Take IT PAC | Super PAC | | $1.8M | $1.8M |
| Northwoods PAC | Super PAC | | $1.8M | $1.8M |
| American Liberty Foundation | PAC | | $2.2M | $1.7M |
| Middle Class Priorities | Super PAC | | $1.5M | $1.4M |
| Buckeye Liberty Political Action Committee | Leadership PAC | | $1.3M | $1.4M |
| Outrider PAC | PAC | | $1.1M | $1.3M |
| Lalota Victory Fund | PAC | | $1.2M | $1.2M |
| This IS the PAC | PAC | | $652K | $1.2M |
| Gatorpac | PAC | | $953K | $1.1M |
| Organizing Empowerment PAC | Super PAC | | $201K | $1.1M |
| Bloc PAC | Super PAC | | $28K | $1.1M |
| Team Mike Collins | PAC | | $1.0M | $1.0M |
| Catholic Engagement PAC | Super PAC | | $1.4M | $994K |
| Sheepdog PAC | PAC | | $967K | $961K |
| Thrivent Financial for Lutherans Political Action Committee | PAC | New Alliance | $804K | $909K |
| The Northwestern Mutual Life Insurance Company Political Action Committee (Nmpac) | PAC | | $827K | $841K |
| Constitutional Conservatives Fund | Super PAC | | $774K | $737K |
| People'S Voice PAC | Leadership PAC | | $589K | $685K |
| The Wisco Project PAC | Super PAC | | $934K | $638K |
| Overhaul PAC | PAC | | $952K | $635K |
| International Union of Operating Engineers Local 139 | PAC | | $608K | $597K |
| Lead Encourage Elect PAC | Leadership PAC | | $859K | $591K |
| Women for America'S Freedom | PAC | | $563K | $575K |
| On Wisconsin PAC, Inc. | Leadership PAC | | $468K | $543K |
| Wisconsin Working PAC | Super PAC | | $565K | $538K |
| Defending Conservative Values PAC | Super PAC | | $501K | $501K |
| Malliotakis Victory Committee | PAC | | $453K | $457K |
| Miller-Meeks Victory Fund | PAC | | $480K | $445K |
| The Hawkeye PAC | Leadership PAC | | $471K | $436K |
| Baldwin for Wisconsin | PAC | | $100K | $394K |
| Driscoll Victory Fund | PAC | | $388K | $388K |
| SIX PAC | PAC | | $355K | $384K |
| Minocqua Brewing Company Superpac | Super PAC | | $349K | $381K |
| Poverty to Prosperity | Super PAC | | $355K | $349K |
| Davidson Victory Fund | PAC | | $342K | $332K |
| Stauber Victory Fund | PAC | | $310K | $315K |
| Keeping America Strong PAC | Super PAC | | $300K | $304K |
| Virginians for Conservative Leadership PAC | Super PAC | | $338K | $291K |
| Power to the Polls Federal Fund | Super PAC | | $88K | $286K |
| Sentry Insurance Company Federal Political Action Committee | PAC | | $305K | $280K |
| Let'S All Keep Electing Republicans PAC | PAC | | $266K | $270K |
| Hawkeye Fund | PAC | | $286K | $262K |
| Strategy PAC | Leadership PAC | | $234K | $259K |
| Meuser Victory Committee | PAC | | $275K | $256K |
| America First Patriots PAC | Leadership PAC | Republican | $287K | $248K |
| Old Breed PAC | Leadership PAC | | $236K | $246K |
| Wagner for Missouri | PAC | | $246K | $246K |
| Sheri Biggs Victory Fund | PAC | | $259K | $239K |
| S. C. Johnson & SON, Inc Political Action Committee | PAC | | $159K | $238K |
| U.S. Venture Inc. PAC | PAC | | $28K | $230K |
| Show-Me Political Action Committee | Leadership PAC | | $564K | $225K |
| Lean Forward America | PAC | | $214K | $208K |
| Oshkosh Corporation Employees PAC (Ocepac) | PAC | | $187K | $204K |
| Wagner Victory Committee | PAC | | $207K | $190K |
| Wisconsin Bankers Association (Wisbankpac) | PAC | | $257K | $184K |
| NO Nonsense PAC | PAC | | $175K | $182K |
| JOE Kent Victory Fund | PAC | | $137K | $179K |
| Onder Victory Fund | PAC | | $194K | $179K |
| Pa-First PAC | Leadership PAC | | $181K | $174K |
| American Honor PAC | Super PAC | | $155K | $171K |
| Mike Kennedy Victory Fund | PAC | | $197K | $166K |
| Blue Majority PAC | Leadership PAC | | $197K | $156K |
| Rebecca Cooke Victory Fund | PAC | | $151K | $150K |
| Catalina Lauf Victory Fund | PAC | | $145K | $145K |
| Michael Best Political Action Committee | PAC | | $245K | $142K |
| Wagner Hill Victory Fund | PAC | | $141K | $141K |
| Blac PAC | Super PAC | | $134K | $137K |
| Moms for Safe Streets | Super PAC | | $125K | $137K |
| Fairbanks Morse, LLC Political Action Committee | PAC | | $124K | $132K |
| Feenstra Victory Fund | PAC | | $129K | $130K |
| Schneider National Inc., Transpac | PAC | | $135K | $129K |
| Milwaukee Police Association PAC | PAC | | $115K | $125K |
| Nestpoint PAC | PAC | | $128K | $122K |
| Citizens for a Conservative Tennessee PAC | Super PAC | | $122K | $122K |
| Wy Action | Super PAC | | $150K | $118K |
| Cuna Mutual Holding Company Political Action Committee/Trustage PAC | PAC | | $98K | $116K |
| Because Real Americans Never Doubt Our Nation (Brandon PAC) | PAC | | $147K | $113K |
| American Family Mutual Insurance Company, S.I. Federal PAC (Amfam PAC) | PAC | | $117K | $112K |
| Mortgage Guaranty Insurance Corporation Political Action Committee ('Mgic-Pac') | PAC | | $120K | $110K |
| Greater Minnesota Victory Fund | PAC | | $114K | $110K |
| Liberty Champions | Super PAC | | $114K | $110K |
| Neighbor Network | Super PAC | | $106K | $105K |
| Competitive Markets PAC | PAC | | $98K | $103K |
| Neighbor Voices PAC | Super PAC | | $2.9M | $101K |
| Mike LEE Victory Fund | PAC | | $114K | $98K |
| Advance Liberty PAC | Super PAC | | $82K | $98K |
| NO Better Friend PAC | Super PAC | | $484 | $96K |
| American Academy of Emergency Medicine Political Action Committee Aaem PAC | PAC | | $31K | $95K |
| Keenan Victory Fund | PAC | | $92K | $92K |
| Stop Newsom PAC | Super PAC | | $113K | $91K |
| New Horizons PAC | PAC | | $90K | $91K |
| Sconnie PAC | Leadership PAC | | $135K | $91K |
| Duty, Honor, Courage | Super PAC | | $0 | $83K |
| Mckee Victory Fund | PAC | | $82K | $82K |
| Grassroots North Shore | Super PAC | | $81K | $77K |
| WEC Energy Group Political Action Committee | PAC | | $60K | $77K |
| Scott Fitzgerald Victory Fund | PAC | | $74K | $74K |
| Forward USA Federal Political Action Committee | Super PAC | | $3,987 | $74K |
| TDS Telecommunications Corporation PAC | PAC | | $55K | $72K |
| Tiger PAC | Leadership PAC | | $79K | $71K |
| Prosperity Action, Inc. | Leadership PAC | | $2,807 | $71K |
| Defend Freedom Political Action Committee | Leadership PAC | | $102K | $71K |
| Bell Ambulance, Inc. Employees PAC | PAC | | $72K | $70K |
| National Funeral Directors Association of the United States Inc | PAC | | $78K | $69K |
| Sensible American Solutions Supporting Everyone PAC | Leadership PAC | | $11K | $65K |
| Freedom Fighters | Super PAC | | $110K | $61K |
| The Justice Coalition Action PAC | PAC | | $52K | $61K |
| Making Congress Great Again PAC | Super PAC | | $62K | $59K |
| Stop AOC PAC | Super PAC | | $72K | $58K |
| Iowa Values PAC | Leadership PAC | | $51K | $57K |
| Northern Future | Super PAC | | $52K | $54K |
| Tony Wied Victory Committee | PAC | | $131K | $52K |
| Fair Wisconsin Federal PAC | Super PAC | | $50K | $51K |
| Skol PAC | Leadership PAC | Republican | $19K | $49K |
| Heal America | Leadership PAC | | $61K | $49K |
| Helping Elect American Leaders PAC Heal PAC | Leadership PAC | | $49K | $44K |
| Right Wisconsin PAC | Leadership PAC | | $63K | $44K |
| Now Electing Honest Leadership and Service PAC | Leadership PAC | | $92K | $43K |
| Fighting for America PAC | Super PAC | | $43K | $42K |
| Justin Kirk Victory Fund | PAC | | $42K | $42K |
| Nehls Victory Fund | PAC | | $41K | $41K |
| Mc-Kee PAC | Leadership PAC | | $39K | $39K |
| Empire Strike PAC | Leadership PAC | | $1,675 | $38K |
| Independent Pharmacy Cooperative PAC ('Ipc Pac') | PAC | | $48K | $38K |
| Restoring Our Democracy (ROD PAC) | Leadership PAC | Republican | $16K | $36K |
| Ohio Prosperity Project | Super PAC | | $37K | $36K |
| Waupaca County Republican Party | Party committee | Republican | $38K | $36K |
| Defense of Freedom | PAC | | $64K | $35K |
| Southern Crown Partners' South Carolina PAC | Super PAC | | $39K | $34K |
| AO Smith Corporation Political Action Committee (Aospac) | PAC | | $28K | $31K |
| Montana Way | PAC | | $30K | $30K |
| The American Dream PAC | PAC | | $5,000 | $29K |
| 1848 PAC | Leadership PAC | | $38K | $29K |
| Light the Way Fund | PAC | | $29K | $29K |
| Voces De LA Frontera Political Fund | Super PAC | | $108K | $29K |
| Texas First, America Always | Super PAC | | $25K | $25K |
| Republican Party 2nd Cong District Wi | Party committee | Republican | $21K | $24K |
| Fortify New Jersey | Super PAC | | $23K | $23K |
| Epic Systems Corporation PAC (Epic PAC) | PAC | | $39K | $21K |
| Defending Americas Values Everywhere PAC | Leadership PAC | Republican | $31K | $21K |
| PIT Crew PAC | Leadership PAC | | $2,000 | $18K |
| The Montana Way PAC | Leadership PAC | | $16K | $14K |
| United Future PAC | Super PAC | | $32K | $14K |
| Semper Fidelis PAC | Super PAC | | $43K | $13K |
| Ohio Freedom Fund Political Action Committee | Super PAC | | $63K | $12K |
| 7th District Republican Party of Wisconsin | Party committee | Republican | $14K | $12K |
| IT Matters WHO Leads PAC | Leadership PAC | | $2,750 | $12K |
| Plus PAC | Leadership PAC | | $11K | $11K |
| Keep Electing New Talent PAC | Leadership PAC | | $3,600 | $9,646 |
| Save New York PAC | Leadership PAC | | $21K | $8,465 |
| Laborers' Political League of Laborers Local 113 | PAC | | $49K | $8,179 |
| Republican Party Sixth Congressional District of Wisconsin | Party committee | Republican | $4,035 | $4,329 |
| Free Indeed PAC | Leadership PAC | | $0 | $4,120 |
| Democratic Party of the 7th Congressional District of Wi | Party committee | Democratic | $0 | $4,116 |
| 4the56 | Super PAC | | $3,500 | $3,500 |
| DAM MAN PAC | Leadership PAC | | $7,000 | $3,000 |
| Republican Party of Cuyahoga | Party committee | Republican | $5,937 | $2,705 |
| Knowledge, Integrity, Responsibility and Kinship PAC | Leadership PAC | | $2,381 | $2,381 |
| Sensible American Solutions Supporting Everyone State PAC | Leadership PAC | | $0 | $2,253 |
| Defenders of Freedom PAC | Leadership PAC | | $50K | $1,730 |
| Fifth Cong Dist DEM Party | Party committee | Democratic | $5,174 | $1,503 |
| Prairie Belle PAC | Leadership PAC | | $15K | $1,405 |
| Dedicated Action Victory Initiative Strategy PAC | Leadership PAC | | $163 | $1,014 |
| Juneau County Democratic Party | Party committee | Democratic | $0 | $1,000 |
| Republican Party-Eau Claire County | Party committee | Republican | $0 | $813 |
| Wisconsin Progressive Party Inc. | Party committee | | $135 | $63 |
| Four Tour PAC | Leadership PAC | Republican | $1,637 | $0 |