| 29 | Transportation Fund Kaaba & Mohammed Temples | |
| 103 | Tri City Jewish Center | |
| 2163 | Tri State Pro Am | |
| 1628 | Trinity College of Nursing & Health Sciences | |
| 7 | Trinity Health Foundation | |
| 1328 | Trinity Lutheran Church | |
| 593 | Trinity Lutheran School | |
| 2224 | Trinity Muscatine Foundation | |
| 2223 | TTT Chapter GV | |
| 1748 | Tudi's Tribe Foundation | |
| 610 | Two Rivers YMCA | |
| 514 | U of IL Foundation - Nursing Alumni Association | |
| 2194 | Underwear Because We Care | |
| 1850 | United Marriage Encounter | |
| 2258 | United Way of Knox County | |