| Unidentified PAC 5
|
| Unidentified PAC 6
|
| Unidentified PAC 7
|
| Unidentified PAC 8
|
| Unidentified PAC 9
|
| Uniformed Fire Officers Association (Unregistered, New York)
|
| Union Copy Centers (Corporation)
|
| Union Pacific Effective Govt
|
| Union Pacific Effective Govt (Federal)
|
| Union Pacific Railroad (Corporation)
|
| UNITE (Union of Needletrades, Industrial, etc)
|
| Unite-Here WI State Council (formerly Hotel & Restaurant Employees 122)
|
| United Assn (Plumbers & Pipefitters)
|
| United Assn Local 167 PAC
|
| United Association Local 118 (Plumbers & Steamfitters)
|
| United Association Political Action Fund
|
| United Educators of San Francisco
|
| United Fire Fighters of Los Angeles City Local 112 (Unregistered, California)
|
| United Food & Commercial Workers
|
| United Food & Commercial Workers (Unregistered)
|