10476 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Unite Here Tip State & Local Fund - Connecticut | — | Political Action Committee | — | New Haven | — |
| UNITE HERE TIP | — | Political Action Committee | — | New York | — |
| UNITE HERE TIP State & Local - Connecticut | Zaina Tannu | Political Action Committee | — | New York | — |
| Unite for the Future | Robert M. Fitzgerald | Political Action Committee | — | Hebron | — |
| United Illuminating | — | Political Action Committee | — | New Haven | — |
| United Technologies Corporation PAC State | — | Political Action Committee | — | Hartford | — |
| United Technologies Corp PAC-State | — | Political Action Committee | — | Hartford | — |
| United for Connecticut | Edward Pocock | Political Action Committee | — | Southington | — |
| United Illuminating Power PAC | — | Political Action Committee | — | New Haven | — |
| United Technologies Corp. PAC-State | — | Political Action Committee | — | Hartford | — |
| United technologies Corporation Political Action committee-State | — | Political Action Committee | — | Hartford | — |
| United Illuminating PAC | — | Political Action Committee | — | New Haven | — |
| United Food and Commercial Workers | — | Political Action Committee | — | Farmington | — |
| United House Democrats | Mary G. Fritz | Political Action Committee | — | West Hartford | — |
| United Illuminating Power Pac - State | — | Political Action Committee | — | New Haven | — |
| United Technologies Corp. PAC | — | Political Action Committee | — | Hartford | — |
| United Democrates Of West Haven | — | Political Action Committee | — | West Haven | — |
| United Democrats of West Haven | William J. Nolan | Political Action Committee | — | New Haven | — |
| United Technologies Corp., PAC-State | — | Political Action Committee | — | Hartford | — |
| United Technologies Corporation Political Action Committee-State | — | Political Action Committee | — | Hartford | — |
| UnitedTechnologies Corp - PAC | — | Political Action Committee | — | Hartford | — |
| United States Veterans PAC Connecticut Chapter | G. Thomas Johnson | Political Action Committee | — | Bristol | — |
| United Technologies Corporation PAC-State | — | Political Action Committee | — | Hartford | — |
| United Technologies PAC - State | — | Political Action Committee | — | Hartford | — |
| UNITED TECHNOLOGIES CORPORATION PAC | — | Political Action Committee | — | Hartford | — |
| United Brotherhood of Carpenters and Joiners of America | — | Political Action Committee | — | Bridgeport | — |
| United Food & Commercial Workers Union Local 371 PAC | — | Political Action Committee | — | Westport | — |
| UNITE Connecticut State Election Fund | Bruce Raynor | Political Action Committee | — | New York | — |
| Unipowerpac-State | — | Political Action Committee | — | New Haven Ct | — |
| Uniformed Professional Firefighters Association of Conn | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters Asssociation of Connecticut PAC | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters Association of Connecticut PAC Fund | — | Political Action Committee | — | West Hartford | — |
| Uniformed Profesional Firefighters association of CT PAC | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters Association of CT PAC | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters Assoc of CT PAC | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Fire Fighters Association of Connecticut PAC Fund | — | Political Action Committee | — | West Hartford | — |
| Uniford Pro Firefighters Asso CT PAC | — | Political Action Committee | — | Newington | — |
| Uniformed Professional Fire Fighters Assoc. of CT PAC | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters Association of Connecticut PAC | — | Political Action Committee | — | West Hartford | — |
| Uniformed Professional Firefighters Association of Connecticut | — | Political Action Committee | — | West Hartford | — |
| UI POWERPAC-STATE | — | Political Action Committee | — | New Haven | — |
| UI POWERPAC-State | — | Political Action Committee | — | New Haven | — |
| UIPower PAC-State | — | Political Action Committee | — | New Haven | — |
| UIPOWERPAC - State | — | Political Action Committee | — | New Haven | — |
| UIPowerPAC-State | — | Political Action Committee | — | New Haven | — |
| Sam in 26 | Samantha Nestor | Candidate Committee | Democrat | Weston | March 9, 2026 |
| UI Power PAC-State | — | Political Action Committee | — | New Haven | — |
| UI POWERPAC- State | — | Political Action Committee | — | New Haven | — |
| UIPOWERPAC-STATE | — | Political Action Committee | — | New Haven | — |