- Conservative Leadership Political Action Committee
- Conservative Oppurtunity Leadership and Enterprise PAC (Cole PAC)
- Conservative Outsider PAC Inc
- Conservative Party
- Conservative Roundtable
- Conservative Texans PAC
- Conservative Values for Louisiana
- Conservative Values for Utah
- Conservative Voters Alliance
- Conservative, Authentic, Responsive Leadership for You and for America
- Conservatives for a Better Tomorrow Inc.
- Conservatives for American Excellence Inc.
- Conservatives for Effective Government
- Conservatives Harvesting Success PAC
- Conservatives With Character, Inc.
- CONSTELLATION
- Constellation Brands Inc Political Action Committee
- Constellation Energy Corporation Employee Political Action Committee (Cepac)
- Constitution Party National Committee
- Constitutional Conservatives Fund
- Constitutional Rights PAC
- Constructive Dialogue Institute
- Consumer Bankers Association Political Action Committee, The
- Consumer Energy Alliance
- Consumer Financial Protection Bureau
- Consumer Healthcare Products Association PAC (Chpa/PAC)
- Consumer Technology Association PAC
- Continental Resources, Inc. Political Action Committee
- Continuing America's Strength and Security PAC
- Contura Energy, Inc. Political Action Committee
- Cooke for Congress
- Cooley LLP
- Cooney & Conway, LLP
- Cooper Farms
- Cooper for North Carolina
- Cooper Victory Fund
- Cooperative of American Physicians Federal Political Action Committee
- Corecivic, Inc. Political Action Committee (Corecivic PAC)
- Cori Bush for Congress
- Cornell University
- Cornerstone Government Affairs
- Corning Incorporated Employees Political Action Committee (Corepac)
- Cornyn Lonestar Victory Fund
- Cornyn Majority Texas
- Cornyn Victory Committee
- Corporate Energy Buyers Association PAC (Ceba PAC)
- Cort Vanostran for Congress
- Corteva, Inc. Employees PAC (Corteva Agriscience PAC)
- Cortez Masto Victory 2022
- Cory 2020
- Cory Booker for Senate
- Cory Gardner for Senate
- Cosmopolitan
- Cotchett, Pitre & Mccarthy, LLP
- Cottingham Butler, Inc.
- Cotton for Senate
- Cotton Majority Committee
- Cotton Victory
- Council for a Livable World Candidate Fund
- Council for National Policy
- Council of Producers and Distributors of Agrotechnology (Cpda-PAC)
- Council on Criminal Justice
- Council on Foreign Relations
- Country First
- Country Roads PAC
- Coupang, Inc. Company PAC (Coupac)
- Courage to Change
- Courtney for Congress
- Covanta Energy LLC Political Action Committee (Covanta PAC)
- Covington & Burling
- Covington and Burling LLP PAC
- Cowboy PAC
- Cox Enterprises
- Cox Enterprises PAC (Coxpac) Inc.
- Cox Media Group
- Coyote PAC
- Cozen O'connor Political Action Committee
- Craft Ventures
- Craig Goldman for Congress
- Cramer for Senate
- Crapo Victory Committee
- CRC Advisors
- Creative Artists Agency
- Creative Commons
- Credit Suisse Securities (USA) LLC Political Action Committee
- Crescent River Port Pilots Association Federal Political Action Committee/Crppa Fed PAC
- Crh Americas, Inc. PAC
- Crockett Law PLLC
- Crop Insurance Professionals Association PAC-Cipa PAC
- Croplife America Political Action Committee
- Crosslink Capital
- Crosspartisan PAC I
- Crosspartisan PAC Ii
- Crossroads GPS
- Crosswell for Congress
- Crowell & Moring LLP
- Crowell & Moring LLP Political Action Committee (C&M PAC)
- Crowley for Congress
- Crowley Leadership Fund
- Crowley Maritime Corporation Federal PAC
- Crowne Partners Inc
- Cruise Lines International Association PAC (Clia PAC)
- Crush MAGA PAC
- Cruz for President
- Csx Corporation Good Government Fund
- Ctc Action
- Ctia - the Wireless Association Political Action Committee
- Cubic Corporation Employees' Political Action Committee
- Culp for Congress
- Cultural Collective Foundation
- Cumberland Pharmaceuticals Inc. Health and Wellness PAC
- Cummings for Congress
- Cumulus Media
- Cunningham Bounds LLC
- Cvs Health PAC
- Cynthia Wallace for Congress
- Cyrus Sajna for Congress Committee
- D-Wave Quantum
- D.E. Shaw & Co.
- D.r.i.v.e. - Democrat, Republican, Independent Voter Education (The PAC of the International Brotherhood of Teamsters)
- D1 Capital Partners
- Daily Mail
- Daily Mail and General Trust
- Dairy Farmers of America, Inc. Political Action Committee; Aka Dfa-PAC
- Dakota Leadership PAC
- Dakota PAC
- Dallas Entrepreneur Political Action Committee
- Dan Crenshaw for Congress
- Dan Crenshaw Victory Committee
- Dan for Colorado
- Dan Goldman for New York
- Dan Newhouse for Congress
- Dan Schwartz for Congress
- Dan-Pafirst PAC
- Darling Ingredients Inc Political Action Committee (Darpac)
- Darrell Issa for Congress
- Darren Soto for Congress
- Dartland for Congress
- Dartmouth College
- Datavant PAC
- Dauphin County Board of Commissioners
- Dave Mccormick for Us Senate
- Dave Min for Congress
- David Trone for Congress
- David Volkert & Associates, Inc. Political Action Committee ('Dva/Hc PAC')
- David Young Victory Fund
- Davidson for Congress
- Davis Polk & Wardwell
- DaVita
- Davita Inc. Political Action Committee (Dapac)
- Dc Democratic State Committee
- DCCC
- Dci Group
- Dean 24, Inc.
- Dean Phillips for Congress
- Deb Fischer for Us Senate
- Debbie for Congress
- Debbie for Florida
- Debono for Congress
- Deborah Ross for Congress
- Deborah Ross for Senate
- Deciding Critical Races PAC (Dcr PAC)
- Deere & Company PAC (Aka John Deere PAC)
- Defazio for Congress
- Defeat Boebert PAC
- Defeat by Tweet
- Defeat Disinfo PAC
- Defeat Republicans PAC
- Defeating Communism PAC
- Defend America PAC
- Defend American Jobs
- Defend Freedom Political Action Committee
- Defend Freedom, Inc.
- Defend Ohio Values PAC
- Defend Our Conservative Senate PAC (Doc's PAC)
- Defend Our Constitution PAC
- Defend Our Majority
- Defend Rural Arizona PAC
- Defend Texas Fund
- Defend the Dream
- Defend the Vote
- Defend Us PAC
- Defending America PAC
- Defending American Values Everywhere PAC (Dave PAC)
- Defending Americas Future
- Defending Conservative Values PAC
- Defending Democracy Together
- Defending Main Street SuperPAC Inc.
- Defending Our Values PAC
- Defending the American Dream PAC
- Defense Innovation Unit
- Defense of Freedom PAC
- Defense, Economic Renewal, Education and Knowledge PAC
- Definitive Healthcare
- Delaware North Companies
- Delbene for Congress
- Delgado for Congress
- Deliver Democracy
- Delivers PAC
- Dell Technologies, Inc. Political Action Committee
- Deloitte Political Action Committee
- Delta Air Lines
- Delta Air Lines PAC
- Delta Airlines
- Delta Dental Plans Association PAC
- Demand Justice
- Demand Justice PAC
- Demings PAC
- Democ PAC
- Democracy 2025
- Democracy Action Now PAC
- Democracy Defense Fund
- Democracy Engine, Inc., PAC
- Democracy for America
- Democracy on the Line
- Democracy PAC
- Democracy Summer Leadership PAC
- democracyFIRST
- democracyFIRST PAC
- Democratic Action
- Democratic Congressional Campaign Committee
- Democratic Conservation Alliance PAC
- Democratic Election Fund
- Democratic Executive Committee of Florida
- Democratic Future Leadership Fund
- Democratic Governors Association
- Democratic Grassroots Victory Fund
- Democratic Hope Fund
- Democratic Lieutenant Governors Association
- Democratic Majority Action (Dma PAC)
- Democratic Majority for Israel
- Democratic Majority Fund
- Democratic Messaging Project
- Democratic National Committee
- Democratic Party (U.S.)
- Democratic Party Committee Abroad
- Democratic Party of Arkansas
- Democratic Party of Hawaii
- Democratic Party of Illinois
- Democratic Party of New Mexico - Federal
- Democratic Party of Oregon
- Democratic Party of South Carolina
- Democratic Party of Virginia
- Democratic Party of Wisconsin
- Democratic Power, Inc.
- Democratic Senate Problem Sovlers Fund
- Democratic Senatorial Campaign Committee
- Democratic State Central Committee of La
- Democratic State Central Committee of Maryland
- Democratic State Committee (Delaware)
- Democratic Turnout Project PAC
- Democratic Victory Fund
- Democratic Victory PAC, Inc.
- Democratic Voters PAC
- Democratic Women of Santa Barbara County
- Democratic Women of the South Orange County
- Democratic Youth Wave
- Democrats for Education Reform
- Democrats Reshaping America (Dreampac)
- Democrats Serve
- Democrats Time in Nevada
- Democrats United to Change and Hope PAC
- Democrats Win Fund
- Democrats Win Seats (Dws PAC)
- Denali Leadership PAC
- Denbury Inc Political Committee
- Denise Gitsham for Congress
- Denise Juneau for Congress
- Denise Powell for Congress
- Dentons Us LLP
- Dentsu Group Inc.
- Depasquale for Pa 10
- Dependable Conservative Leadership PAC
- Depository Trust and Clearing Corporation PAC - Dtcc PAC; The
- Derek Tran for Congress
- Derick Dermatology
- Des Moines Area Religious Council
- Des Moines Public Schools
- Detroit Economic Growth Corporation
- Developing a New Generation PAC (Dang PAC)
- Devin Nunes Campaign Committee
- Devon Energy Corporation Political Action Committee (Dec PAC)
- DeVos Family
- Dga-PAC the Political Action Committee of the Directors Guild of America Inc.
- Dialog
- Diamond Sports Group
- Diamondback Energy, Inc. Political Action Committee (Diamondback Energy PAC)
- Diana Degette for Congress
- Diane for Colorado Cd3
- Diehl for Us Senate
- Digidems Committee
- Digidems PAC
- Digital Currency Group
- Digital World Acquisition Corp
- Direct Supply, Inc. Partners PAC (Dsi Partners PAC)
- Dirigo PAC
- Disability Planners
- Discover Financial Services
- Discover Financial Services Political Action Committee
- Dish Network