- Schiff Victory Fund
- Schmidt Futures
- Schmidt Sciences
- Schmitt for Senate
- Schneider for Congress
- Scholten for Congress
- Scholten4iowa Campaign Committee
- Schumer Committee for the Majority
- Schumer Majority Committee
- Schupp for Congress
- Scott Brothers Entertainment
- Scott Brothers Global
- Scott Fitzgerald for Congress
- Scott for Congress
- Scott Garrett for Congress
- Scott Peters for Congress
- SCOTUSblog
- Seaboard Corporation Political Action Committee
- Sean Patrick Maloney for Congress
- SecondMarket
- Seec Victory Fund
- Self for Congress
- Senate Battleground Victory Fund
- Senate Conservatives Action
- Senate Conservatives Fund
- Senate Eagle PAC
- Senate Georgia Battleground Fund
- Senate Impact Project
- Senate Leadership Fund
- Senate Victory Project
- Sensenbrenner Committee
- Servance for Congress Inc.
- Servant Leadership Fund
- Serve America Victory Fund
- Service First Women's Victory Fund
- Seth Bodnar for Montana
- Seth for Massachusetts, Inc
- Sfa Fund, Inc
- Shaheen for Senate
- Sharice for Congress
- Sharif Street for Us
- Shawn Harris for Congress
- Sheehy Victory Committee
- Shelby for U S Senate
- Shield Ai Political Action Committee (Saipac)
- Shipbuilders Council of America PAC
- Shopify
- Shore PAC
- Sinema for Arizona
- Sinema Leadership Fund
- Sittenfeld for Senate
- Slotkin Victory Fund
- Smart Political Action League Local 137
- Smith Victory
- SMP
- Smucker Victory Committee
- Snow PAC
- Social Capital
- Social Capital Hedosophia SPACs (IPOA-IPOF)
- Sock It to 'Em PAC
- Soderberg 2018 Victory Fund
- Soderberg for Congress
- SoFi
- Somos PAC
- Soroban Capital Partners
- Sos America PAC
- Southern Progress
- Southwest Conservative PAC
- Space Exploration Technologies Corp. PAC
- Spaceship Earth PAC
- SpaceX
- Spanberger for Congress
- Sri for Congress
- Stabenow for Us Senate
- Stand for America PAC
- Stanford Graduate School of Business
- Stanford University
- Stanton for Congress
- Starbucks
- Starwood Capital Group
- State Democracy Defenders PAC
- State Democratic Executive Committee of Alabama
- State Government Citizens' Campaign
- State of Indiana
- State of Maryland
- Steel Perlot
- Steil for Wisconsin, Inc.
- Steil Victory Fund
- Stella for Congress
- Stephanie Murphy for Congress
- Stephany Rose for Congress
- Steve Chabot for Congress
- Steve Daines for Montana
- Steve Fincher for Congress
- Steve Garvey for Us Senate
- Steve Marshall for Senate
- Stitch Fix
- Stop Him Now
- Stop Republicans
- Straight Talk Politics PAC
- Strange for Senate
- Stripe
- Strong Leadership for America
- Stu for Indiana
- Stutzman for Congress
- Sullivan Victory
- Sun Cable
- Sunshine State Future Fund
- Suozzi for Congress
- Supporting House Problem Solvers - Shp PAC
- Susan Davis for Congress
- Susan Wild for Congress
- Susie Lee for Congress
- Sustainable Energy and Environment Coalition PAC (Seec PAC)
- Swalwell for Congress
- Sweet for Senate
- Swing Left
- Symantec Corporation Political Action Committee
- T-Mobile USA, Inc. Political Action Committee (T-PAC)
- Taddeo for Congress
- Take Back the House 2024
- Take Back the House Texas 2022
- Take-Two Interactive
- Talarico for Texas
- Tammy Baldwin for Senate
- Tammy for Illinois
- Tammy Murphy for Senate
- Tarver for Senate
- TaskRabbit
- Teachers Insurance Annuity Association of America PAC (Tiaa PAC)
- Team America - Bringing America Together PAC
- Team Bree
- Team Buddy
- Team Elise
- Team Emmer
- Team Gallagher
- Team Graham, Inc.
- Team Hagerty
- Team Hagerty Victory
- Team Herschel, Inc
- Team Husted
- Team Jordan
- Team Josh
- Team Katie
- Team Kennedy
- Team Loeffler
- Team Mace
- Team Mcconnell
- Team Mccormick
- Team Mchenry
- Team Moreno
- Team Morgan Ortagus
- Team Morris
- Team Morrisey
- Team Rand
- Team Rick Scott
- Team Rogers
- Team Ryan
- Team Scalise
- Team Stand for America
- Tech for Campaigns
- Techstars
- Ted Budd for Senate
- Ted Cruz for Senate
- Ted Cruz Victory Committee
- Teneo Network
- Tenet Healthcare Corporation Political Action Committee
- Tennessee Democratic Party
- Teresa Tomlinson for Senate
- Terri Bonoff for Congress
- Terri Sewell for Congress
- Tesla
- Tester Victory Fund
- Texans for Senator John Cornyn Inc
- Texas Capital Bank, Na Political Action Committee
- Texas Democratic Party
- Texas Reloaded
- Texas Republican Voter Engagement PAC
- Texas Victory 2018
- The 85 Fund
- The American Prospect
- The Arena PAC
- The Atlantic
- The Bench
- The Bipartisan Network PAC
- The Collective PAC
- The Colorado Way
- The Committee to Defend the President
- The Commonwealth Fund
- The Farm Credit Council Political Action Committee
- The Friends of Tracy Mitrano Committee
- The Fund for American Exceptionalism
- The G Team
- The Great Task
- The Hamilton Project
- The Hawkeye PAC
- The Holding Victory Fund
- The Klobuchar Victory Committee
- The Libertarian Party of Maryland
- The Lincoln Project
- The Markey Committee
- The New York Times
- The New Yorker
- The Next 50 PAC
- The PAC for America's Future
- The Pat Harrigan Committee
- The Pat Mccrory Committee
- The People's House Project, Inc.
- The Procter & Gamble Company Good Government Fund
- The Real Estate Roundtable Political Action Committee (Realpac)
- The Reed Committee
- The Richard Burr Committee
- The Sentinel Action Fund
- The Top 4 2020 Committee
- The Washington Post
- Theresa Greenfield for Iowa
- Thiel Fellowship
- Thom Tillis Committee
- Thomas for Congress
- Thoroughbred PAC
- Thune Victory Committee
- TIAA
- Tiberi for Congress
- Tillis Majority Committee
- Tim Ryan for Congress
- Tim Ryan for Ohio
- Tim Ryan Victory Fund 2022
- Tim Scott for America
- Tim Scott Victory Fund
- Tim Sheehy for Montana
- Time Warner
- Tina Ramirez for Congress Inc
- Tina Smith for Minnesota
- Titus for Congress
- Tj Cox for Congress
- Todd Litton for Congress
- Tom Malinowski for Congress
- Tom O'halleran for Congress
- Tom Reed for Congress
- Tom Steyer 2020
- Tom Suozzi Victory Fund
- Tomorrow Is Meaningful PAC
- Tomorrow Is Meaningful PAC - Federal
- Tony Cowden for Congress
- Tony Gonzales for Congress
- Tony Wied for Congress
- Torchlight PAC
- Torres for Congress
- Torres Victory Fund
- Townsend Institute for Leadership and Counseling
- Toyota Motor North America, Inc Political Action Committee (Toyota/Lexus PAC)
- TPG-Axon Capital
- Transportation Intermediaries Association's Tiapac
- Treble for Arizona
- Troutman Pepper Locke LLP Political Action Committee, Inc.
- Troy Downing for Congress
- Truist Financial Corporation Federal PAC (Formerly Suntrust Banks, Inc. Political Action Committee)
- Trump 47 Committee, Inc.
- Trump Make America Great Again Committee
- Trump National Committee Jfc, Inc.
- Trump Save America Joint Fundraising Committee
- Trump Victory
- Truth and Courage PAC
- Ttm Technologies Inc. Political Action Committee
- Tuberville for Senate, Inc.
- Tulsi for Hawai'i
- Turnaround Team PAC
- Tyson Foods
- U.S. Department of Housing and Urban Development
- U.S. Department of Justice
- Uaw - V - Cap (Uaw Voluntary Community Action Program) 'Int'l Union United Automobile Aerospace & Agricultural Implement Workers of America Uaw
- Uber
- Uncommon Schools
- Under Armour
- Unite America PAC Inc.
- Unite America Reform Fund
- Unite the Country
- United Community Bankers PAC (Bancfirst Corp)
- United Democracy Project
- United Steelworkers Political Action Fund
- United Together
- University of California
- University of Chicago
- University of Virginia
- Unrigged PAC
- USAID
- Utah State Democratic Committee
- Val Demings for U.s. Senate
- Val Hoyle for Congress
- Valero Energy Corporation Political Action Committee
- Value in Electing Women Political Action Committee
- Van Hollen for Senate
- Van Orden for Congress
- Vargas for Congress
- Verisk Analytics
- Vermont Democratic Party
- Vern Buchanan for Congress
- Vicente Gonzalez for Congress
- Victoria Spartz for Congress