10486 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Iron PAC 424 | — | Political Action Committee | — | North Haven | March 26, 2003 |
| Iron Pac 424 | — | Political Action Committee | — | North Haven | Nov. 1, 2003 |
| Iron Pac 15 | Joseph P Toner | Political Action Committee | — | Hartford | May 29, 2020 |
| IRON PAC - 424 | — | Political Action Committee | — | North Haven | April 5, 2005 |
| Irish-American Political Partnership | Siobhan E. Beas | Political Action Committee | — | Rocky Hill | Dec. 21, 2000 |
| Irish-American PAC | — | Political Action Committee | — | Rocky Hill | April 10, 2003 |
| Irish American Political Partnership | — | Political Action Committee | — | Rocky Hill | Aug. 21, 2002 |
| Irish American Democrats of CT | Eileen M. Heaphy | Political Action Committee | — | Stamford | Aug. 7, 2001 |
| Irish American Democrats Of CT | Eileen M. Heaphy | Political Action Committee | — | Stamford | Aug. 7, 2001 |
| Irish American Democrats in CT PAC | — | Political Action Committee | — | Stamford | Oct. 28, 2006 |
| Irish American Democrats In Connecticut | — | Political Action Committee | — | Stamford | July 7, 2006 |
| Iris Sanchez for State Rep. | Iris N Sanchez | Candidate Committee | Democrat | New Britain | Nov. 23, 2025 |
| Iris N Sanchez | Iris N Sanchez | Candidate Exemption Committee | Democrat | New Britain | July 28, 2017 |
| Irene S Tibus | Irene S Tibus | Candidate Exemption Committee | Republican | Stonington | July 31, 2017 |
| Irene M Haines | Irene M Haines | Candidate Exemption Committee | Unaffiliated | East Haddam | Aug. 22, 2017 |
| Irene G Masse | Irene G Masse | Candidate Exemption Committee | Republican | Meriden | July 24, 2017 |
| Ippolito For Probate | Alphonse Ippolito | Candidate Committee | Republican | New Haven | May 27, 2022 |
| Intl. Union of PAT LEC PAC | — | Political Action Committee | — | Berlin | April 10, 2006 |
| Intl. Brotherhood of Boilermakers PAC | — | Political Action Committee | — | East Hartford | Jan. 10, 2006 |
| Internnational Brotherhood of Boilermakers Local 237 PAC Fund | — | Political Action Committee | — | East Hartford | Oct. 24, 2006 |
| International Union of Painters and Allied Trades | — | Political Action Committee | — | Washington | July 10, 2002 |
| INternational Union of Painters and Allied Trades | — | Political Action Committee | — | Washington | Oct. 7, 2006 |
| International Union Of Painters And Allied Trades | — | Political Action Committee | — | Berlin | Feb. 5, 2007 |
| International Union of Painters & Allied Trades Legislative & Educational Committee | George Galis | Political Action Committee | — | Washington | Aug. 14, 2003 |
| International Union Of Painters & Allied Trades Legislative & Educational Committee | George Galis | Political Action Committee | — | Washington | Aug. 14, 2003 |
| International Union Of Painters & Allied Trades | — | Political Action Committee | — | Washington | Jan. 6, 2006 |
| International Union of Painters & Allie Trades | — | Political Action Committee | — | Berlin | Oct. 8, 2006 |
| International Union Of Paienters & Allied Trades | — | Political Action Committee | — | Washington | Nov. 30, 2006 |
| International Union of OPerating Engineers | — | Political Action Committee | — | Hamden | Oct. 5, 2002 |
| International Union of Operating Engineers | — | Political Action Committee | — | Hamden | Sept. 21, 2004 |
| International Paper Political Action Committee-Connecticut | Lyn M. Withey | Political Action Committee | — | Stamford | Jan. 10, 2001 |
| International Paper Political Action Committee - Connecticut | — | Political Action Committee | — | Washington | Jan. 10, 2006 |
| International Paper PAC | — | Political Action Committee | — | Versailles | Dec. 20, 2002 |
| International Brotherhood of Electrical Workers No 35 | — | Political Action Committee | — | Hartford | Dec. 29, 2003 |
| International Brotherhood Of Electrical Workers Local Union 35 | John Sardo | Political Action Committee | — | Hartford | Aug. 15, 2007 |
| International Brotherhood of Electrical Workers Local 90 PAC | Edward A. Napolitano | Political Action Committee | — | New Haven | Jan. 27, 1999 |
| International Brotherhood Of Electrical Workers Local 420 PAC | Richard S. Golembiewski | Political Action Committee | — | Torrington | June 8, 1999 |
| International Brotherhood of Electrical Workers Local 420 PA | Dennis J. Phelan | Political Action Committee | — | Waterbury | June 8, 1999 |
| International Brotherhood of Electrical Workers Local 42 | — | Political Action Committee | — | Manchester | Jan. 3, 2002 |
| International Brotherhood of Electrical Workers Local #35 PAC | Kenneth B. Leech | Political Action Committee | — | Hartford | June 8, 1999 |
| International Brotherhood of Electrical Workers 42 PAC | Glenn R. Favaro | Political Action Committee | — | Manchester | June 8, 1999 |
| International Brotherhood Of Electrical Workers 42 PAC | Peter C. Abrahamsen | Political Action Committee | — | Manchester | June 8, 1999 |
| International Brotherhood of Boilermakers Loval 237 | — | Political Action Committee | — | East Hartford | Oct. 30, 2002 |
| International Brotherhood of Boilermakers Local 237 PAC Fund | — | Political Action Committee | — | East Hartford | July 4, 2004 |
| International Brotherhood of Boilermakers Local 237 PAC | — | Political Action Committee | — | East Hartford | Sept. 23, 2006 |
| International Brotherhood of Boilermakers Local 237 | — | Political Action Committee | — | East Hartford | Oct. 30, 2002 |
| International Brotherhood of Boilemakers Local 237 PAC | — | Political Action Committee | — | East Hartford | Dec. 28, 2003 |
| International Boilermakers Local 237 PAC Fund | — | Political Action Committee | — | East Hartford | Oct. 10, 2006 |
| International Association of Fire Fighters Local 1579 PAC | David Mayer | Political Action Committee | — | Manchester | June 8, 1999 |
| International Association Of Fire Fighters Local 1579 PAC | Michael Suhie | Political Action Committee | — | Manchester | June 8, 1999 |