| Name | Address, Zip |
| Project 147 | 908 15th Ave, 50627-2314 |
| National Action Figure Toy Museum | 1513 Edgington Ave, 50627-1623 |
| South Hardin After Prom | 622 9th Ave, 50627-1402 |
| Hardin County Agricultural Society | Po Box 247, 50627-0247 |
| Amateur Athletic Union Of The United States | 720 17th Ave, 50627-2208 |
| Eldora Area Ambulance Foundation Inc | 1442 Washington St, 50627-1633 |
| Friends Of Eldora Parks And Recreation | 1210 12th St, 50627-1721 |
| Hardin Eldora Animal Rescue Team | 27082 255th St, 50627-8230 |
| Eldora Area Health Services Inc | 1228 Edgington Ave, 50627-1739 |
| South Hardin Athletic Booster Club Inc | Po Box 311, 50627-0311 |
| United States Bowling Congress Inc | 1201 Washington St, 50627-1629 |
| United States Bowling Congress Inc | Po Box 542, 50627-0542 |
| Miriam Brown Trust | 1202 Edgington Ave, 50627-1739 |
| Brown Family Charitable Foundation | 1202 Edgington Ave, 50627-1739 |
| Greenbelt Home Care | 1707 21st St, 50627-1513 |
| Eldora Regional Medical Center | 2413 Edgington Ave, 50627-1541 |
| Dorothys Senior Center Inc | 1306 17th Ave, 50627-2346 |
| Dorothys Senior Center Foundation Inc | 1306 17th Ave, 50627-2346 |
| Central Iowa Juvenile Detention Center | 2317 Rick Collins Way, 50627-8356 |
| Eldora Childrens Center Inc | 1111 10th St, 50627-1704 |
| St Marys Church Eldora Ia | 614 Washington St, 50627-1257 |
| Eldora-new Providence Community School District Foundation | Po Box 536, 50627-0536 |
| Eldora Industrial Development Corp | 1202 Edgington Ave, 50627-1739 |
| Mayofest Destiny | 26385 265th St, 50627-8220 |
| United Fund Of Eldora | 1202 Edgington Ave, 50627-1739 |
| Friends Of The Eldora Public Library | 1202 10th St, 50627-1714 |
| Greater Eldora Youth Sports Program Inc | Po Box 311, 50627-0311 |
| Friends Of Pine Lake | 22620 County Hwy S56, 50627-8010 |
| Steamboat Rifle Range Inc | 805 17th Ave, 50627-2209 |
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