| I4pa | P | NY |
| I-95 PAC | O | GA |
| Ia Ks Me Victory Fund | S | DC |
| I Am America | P | CO |
| I Am Dyslexia LLC | O | MN |
| Iamerica Action | I | DC |
| I Am Human | N | OR |
| Ian Cain for US | S | MA |
| Ian Conyers for U.S. Congress | H | MI |
| Ia/Nc Senate 2020 | S | DC |
| Ian Medina for Congress | H | FL |
| Ian Medina for Congress 2024 | H | FL |
| Ian Medina for President of the United States | P | FL |
| Ian Smith for Congress | H | NJ |
| Ian Todd for Congress | H | MN |
| Ian Weeks for Congress | H | CA |
| Iap Worldwide Services INC. Political Action Committee | Q | FL |
| I Believe Super PAC | O | CA |
| Ibew 103 | I | MA |
| I.B.E.W. Local 103 Federal Political Action Committee | N | MA |
| Ibew Local 191 Committee on Political Education (Cope) | N | WA |
| Ibew Local 2327 PAC | N | ME |
| Ibew Local Union 584 Electro PAC | Q | OK |
| Ibew Local Union 584 PAC Fund | N | OK |
| Ibew PAC Educational Fund | I | DC |
| Ibi Group Engineering Services (Usa) PAC | N | OH |
| Ibt Joint Council No. 16 PAC | N | NY |
| Ice Miller PAC | N | IN |
| Ice PAC | Q | MN |
| Ickes for Congress | H | MI |
| Ic PAC | N | OH |
| Icpi Paverpac Interlocking Concrete Pavement Institute Paverpac | Q | VA |
| Idaho Action Committee for Rural Electrification-Idaho Cooperative Utilities Association | Q | ID |
| Idaho Bankers Political Action Committee | Q | ID |
| Idaho Conservative Growth Fund | N | DC |
| Idaho Grain Producers Association Political Action Committee | N | ID |
| Idaho Law - (Self) | H | ID |
| Idaho Republican Party | Y | ID |
| Idaho State Democratic Party | Y | ID |
| Idaho Strong PAC | O | WI |
| Idaho Victory Fund PAC | N | ID |
| Ida-PAC Political Action Committee | Q | ID |
| Ideal Immigration PAC | V | GA |
| Idea PAC | N | DC |
| Idemia Identity & Security USA, LLC Political Action Committee | Q | MA |
| Idt Commons | I | CA |
| Idt Commons | O | CA |
| Idt Corporation PAC ('Idt Pac') | Q | NJ |
| Iec Corporation PAC | N | CA |
| Iem International, INC. Employee Voluntary Political Action Committee (Iem Employee Vpac) | N | NC |
| Iesha Walker | S | IL |
| Iex Group, INC. PAC | Q | VA |
| Ife Olukore | P | CA |
| Ifetayo for Congress | H | TX |
| Ifetayo Simmons | H | TX |
| Ifnotme#Who | P | TX |
| Ignacio Cruz for Congress | H | CA |
| Ignite Fueling Innovation, INC. Federal Political Action Committee (Ignite Pac) | N | AL |
| Ignite Kentucky | N | KY |
| Igor for Congress | H | CO |
| I Got Your Back PAC | N | DC |
| Igt Global Solutions Corporation (Igt) PAC | Q | RI |
| Igualdad Futuro Seguro INC | N | PR |
| Iheartmedia INC. PAC | Q | TX |
| Ihg Owners Association Inn-PAC | Q | GA |
| Ihg Six Continents Hotels INC. Political Action Committee (Ihg Pac) | N | GA |
| Ihssane for Congress | H | MA |
| Ihthy | P | IL |
| II-VI Incorporated PAC | Q | PA |
| Ike Johnson for Congress | H | NC |
| Ikwivf - Mark D. Jacobs for President | P | UT |
| Il-03 Republican Nominee Fund 2022 | N | VA |
| Il-06 Republican Nominee Fund 2022 | N | VA |
| Il-13 Republican Nominee Fund 2022 | N | VA |
| Il-14 Republican Nominee Fund 2022 | N | VA |
| Il-17 Republican Nominee Fund 2022 | N | VA |
| Il Citizens Ignited | O | IL |
| Ilef Super PAC | O | DC |
| Ilhan for Congress | H | MN |
| I Like Luke | S | IN |
| I Like Michael Payne for Congress | H | IL |
| Illinois 14 Alliance | N | IL |
| Illinois Agricultural Association Activator Political Involvement Fund (Fed) 'Activator'/'Illinois Farm Bureau Activator' | Q | IL |
| Illinois Association of Realtors Federal PAC | N | IL |
| Illinois Bankers Association PAC (Illinois Bankers Pac) | Q | IL |
| Illinois Black Business Political Action Fund, INC. | N | IL |
| Illinois Citizens for Life | N | IL |
| Illinois Coalition for Immigrant and Refugee Rights | I | IL |
| Illinois Colorado 2022 Victory Fund | H | DC |
| Illinois Conservatives PAC | O | IL |
| Illinois Corn Growers Association Political Involvement Fund-Federal | Q | IL |
| Illinois Democratic County Chairs' Association | Y | IL |
| Illinois Democrats 2020 | H | DC |
| Illinois Democrats for Change | O | DC |
| Illinois Family Action | I | IL |
| Illinois Federation for Right to Life, INC PAC | Q | IL |
| Illinois First Alliance | N | IL |
| Illinois Freedom Fund | O | VA |
| Illinois Fuel & Retail Association PAC | N | IL |
| Illinois Georgia Victory Fund | S | DC |
| Illinois Green Party | X | IL |
| Illinois Housing and Community Development PAC | N | IL |
| Illinois Immigrant Action | I | IL |
| Illinois Justice & Public Safety PAC | E | DC |
| Illinois Muslim Political Action Committee | V | DC |
| Illinois Nevada 2023 Fund | S | IL |
| Illinois Nevada Victory Fund | S | MA |
| Illinois Political Active Letter Carriers | Q | IL |
| Illinois Political Active Letter Crriers | N | IL |
| Illinois Prairie State Chiropractic Assoc Ice-PAC | Q | IL |
| Illinois Republican Party - Federal | Y | IL |
| Illinois Road & Transportation Builders Association Fed PAC | Q | IL |
| Illinois Senate Republican Nominee Fund | N | DC |
| Illinois Senate Victory 2020 | N | DC |
| Illinois Soybean Growers (Isg Pac) | N | IL |
| Illinois State Rifle Association Fed PAC | N | IL |
| Illinois Values PAC | O | MA |
| Illinois Victory 2016 | N | DC |
| Illinois Victory 2020 | N | DC |
| Illinois Victory Fund 2022 | N | GA |
| Illinois Victory Fund 2024 | N | VA |
| Illinois Virginia Victory Fund | S | MA |
| Il Nh Nv Victory Fund | S | DC |
| Ilona J Torraca | P | NY |
| I Love America Super PAC | O | OH |
| Il Senate Republican Nominee Fund 2022 | N | VA |
| Ima | O | CO |
| Imagine Brett for Congress | H | NM |
| Imagine PAC | O | CA |
| Imaginepac.Com | O | NH |
| Imbert, Fred Oscar | I | PR |
| Im in With Iymen | H | IL |
| Immigrant Action - 2018 | O | NY |
| Immigrant Investors Association, INC./Invest in the USA PAC (Iiusa Pac) | N | DC |
| Immigrant Power PAC | O | CA |
| Immigrants' List | Q | DC |
| Immigrant'S List Civic Action INC | I | DC |
| Immigrants' List Civic Action, INC. | E | DC |
| Immigration911, LLC | O | VA |
| Immigration for Americans | N | ME |
| Immigration Reform Fund | Q | IL |
| Impact | Q | NY |
| Impact 65 | O | DC |
| Impact Committee | Q | VA |
| Impact Ct INC. | I | CT |
| Impact Fund for Tigray | N | NV |
| Impact Super PAC | O | CA |
| Impact Texas | V | TX |
| Impact Vets INC. | O | FL |
| Impact Vote INC | O | MA |
| Impeach | U | NY |
| Impeach Clarence Thomas PAC | O | IL |
| Impeachment Defense Fund PAC | O | TX |
| Impeach This | O | MN |
| Impeach This Racist Unqualified Misogynist President PAC | O | DC |
| Impeach This Racist Unqualified Misogynist President PAC | O | DC |
| Impeach Trump Leadership PAC | N | CA |
| Imperato for President 2024 | P | MI |
| Imperial County Republican Party (Fed) | Y | CA |
| Imperialist Party | U | FL |
| Imperium | O | CA |
| Improve Our Future | O | CO |
| Imraan for Congress | H | WA |
| Imwu Super PAC | O | VA |
| in-05 Republican Nominee Fund 2020 | N | VA |
| Inam for US Senate | S | CA |
| Ince for President 2016 - Restore Liberty | P | MO |
| Including People of Color | N | MA |
| Inclusion PAC | O | CA |
| Inclusive Democracy | O | VA |
| Income for All | N | LA |
| Income Movement PAC | V | OR |
| Incubate PAC | N | DC |
| Ind | H | VA |
| Independence-Alliance Party of Minnesota | Y | MN |
| Independence Blue Cross PAC (Ibc Pac) | Q | PA |
| Independence (Not Affilliated With Any Major Party) | P | MI |
| Independence Party of New York State | X | NY |
| Independence Party; the | P | DC |
| Independence USA PAC | O | NY |
| Independent | U | AZ |
| Independent | U | SD |
| Independent | U | TX |
| Independent1 | U | MT |
| Independent Alaska | O | DC |
| Independent American Party | N | UT |
| Independent Bankers Association of Texas Federal PAC (Ibat Fedpac) | Q | TX |
| Independent Coalition | X | GA |
| Independent Committee to Elect Adam Halfhill | H | PA |
| Independent Community Bankers of America Political Action Committee | Q | DC |
| Independent Congressional Element Political Action Committee | O | SC |
| Independent Democrats for Larouche | P | VA |
| Independent Electrical Contractors INC PAC (Iec Pride Pac) | Q | VA |
| Independent Forward | V | CA |
| Independent Health Association INC Political Alliance | N | NY |
| Independent Insurance Agents & Brokers of America, INC. Political Action Committee (Insurpac) | Q | DC |
| Independent Joe Sweeney for Congress | H | CA |
| Independent Leadership for New Hampshire PAC | O | NH |
| Independent Leadership Fund | O | GA |
| Independent Leadership PAC | O | GA |