10608 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Insurance Accoc. of Connceticut PAC | — | Political Action Committee | — | Hartford | Jan. 21, 2004 |
| Inspiring Community Change | Charles Coviello | Candidate Committee | Democrat | Bridgeport | April 4, 2016 |
| INS.ASSN.OF CT. | — | Political Action Committee | — | Hartford | Feb. 4, 2002 |
| INS ASSOC. OF CT. | — | Political Action Committee | — | Hartford | Sept. 20, 2002 |
| INS ASSOC OF CT | — | Political Action Committee | — | Hartford | July 6, 2002 |
| Ingraham For Branford | Raymond J Ingraham | Candidate Committee | Republican | Branford | March 28, 2016 |
| Ingraham for Branford | Raymond Ingraham | Candidate Committee | Republican | Branford | April 22, 2022 |
| ingraham for Branford | Ray J Ingraham | Candidate Committee | Republican | Branford | March 3, 2025 |
| Inernational Union of Operating Engineers | — | Political Action Committee | — | Hamden | Sept. 21, 2002 |
| Iner. Brotherhood of Boilermaker Local 237 PAC | — | Political Action Committee | — | East Hartford | Feb. 6, 2006 |
| Individuals Committed to Excellence | — | Political Action Committee | — | Wallingford | Sept. 19, 2002 |
| Individuals Committed To Excellence | — | Political Action Committee | — | Wallingford | Jan. 9, 2006 |
| Individuals Committed to Excellance | — | Political Action Committee | — | Wallingford | Aug. 15, 2006 |
| Individuals Commited To Excellence | — | Political Action Committee | — | Wallingford | July 8, 2006 |
| Independent Party, Guilford Town Committee | Michael J Mikolay | Party Committee | Independent Party | Guilford | Dec. 7, 2021 |
| Independent Party Waterbury Town Committee | Michael J. Telesca | Party Committee | Independent Party - Waterbury Town Committee | Waterbury | Jan. 25, 2005 |
| Independent Party of Ridgefield | — | Party Committee | Independent Party | Ridgefield | March 4, 2005 |
| Independent Party Of Ridgefield | Dominic D'Addario | Party Committee | Independent Party | Ridgefield | March 4, 2005 |
| Independent Party of Norwalk | DOUGLAS E. HEMPSTEAD | Party Committee | Independent Party | Norwalk | March 29, 1999 |
| Independent Party of Fairfield | Edward W. Simon | Party Committee | Independent Party | Fairfield | March 31, 1999 |
| Independent Party of Danbury | Perry R Salvagne | Party Committee | Independent Party | Danbury | July 12, 2019 |
| Independent Party of CT - State Central | Richardo Potenziani | Party Committee | Independent Party | Danbury | March 29, 1999 |
| Independent Party Of CT - State Central | John Dietter | Party Committee | Independent Party | Danbury | March 29, 1999 |
| Independent Party Of Connecticut | Michael J. Telesca | Party Committee | Independent Party | Waterbury | March 29, 1999 |
| Independent Party of Bethel | Cynthia J McCorkindale | Party Committee | Independent Party | Bethel | Aug. 12, 2019 |
| Independent Party New Haven Town Committee | Nickelle Cooper | Party Committee | Independent Party | New Haven | Sept. 18, 2025 |
| Independent Party | Leslie R. Beland | Political Action Committee | — | Waterbury | Dec. 19, 2005 |
| Independent Majority Political Action In Connecticut | Anne Marie Sutton | Political Action Committee | — | Westport | June 8, 1999 |
| Independent Electrical Contractors Of New England, Inc. PAC | Paul Borrelli | Political Action Committee | — | Rocky Hill | July 14, 1999 |
| Independent Electical Contractors of New England, Inc. PAC | Steven Borrelli | Political Action Committee | — | Rocky Hill | July 14, 1999 |
| Independent Branford Voters | Laurie J French | Party Committee | Independent Party | East Haven | April 4, 2014 |
| Independence Party | Samuel L. Coury | Party Committee | Independence Party | Bristol | March 29, 1999 |
| Independence For Montville | James Andriote | Party Committee | Independence for Montville | Uncasville | Oct. 19, 2000 |
| Indepedent Majority Political Action in Connecticut | — | Political Action Committee | — | Westport | Aug. 3, 2002 |
| Inacio for State Rep | Jessica M Inacio | Candidate Committee | Democrat | Hartford | April 2, 2018 |
| Imperato for Branford | Robert Imperato | Candidate Committee | Republican | Branford | April 11, 2018 |
| IMPACT, Independent Majority PAC | — | Political Action Committee | — | Redding | Sept. 29, 2004 |
| IMPACT, INDEPENDENT MAJORITY P.A.C. | — | Political Action Committee | — | Redding | Oct. 7, 2004 |
| IMPACT, Independent Majority | — | Political Action Committee | — | Westport | Sept. 26, 2002 |
| IMPACT, Independant Majority | — | Political Action Committee | — | Redding | Sept. 7, 2004 |
| IMPACT - Independent Majority Political Action in CT | — | Political Action Committee | — | Stamford | Oct. 4, 2006 |
| IMPACT | — | Political Action Committee | — | Westport | Oct. 31, 2002 |
| Impact | — | Political Action Committee | — | Stamford | Oct. 10, 2006 |
| Imapct | — | Political Action Committee | — | Stamford | Oct. 28, 2006 |
| IMANI PAC | Charles Wiggins | Political Action Committee | — | Hartford | June 8, 1999 |
| IM-PAC | Andy Thibault | Political Action Committee | — | Litchfield | June 8, 1999 |
| IBEW Local Union No. 35 | — | Political Action Committee | — | Hartford | Dec. 19, 2002 |
| IBEW Local Union 90 Pac | — | Political Action Committee | — | Wallingford | Feb. 13, 2004 |
| IBEW Local Union 90 | — | Political Action Committee | — | New Haven | Sept. 11, 2002 |
| IBEW Local Union 42 | — | Political Action Committee | — | Manchester | Oct. 28, 2002 |