| Name | Address, Zip |
| Conquering Cancer 4 O Brien County Inc | Po Box 41, 51201-0041 |
| Sheldon Community Ambulance Team | 416 9th Street, 51201-1565 |
| Amsha Foundation Inc | 504 Washington Ave, 51201-1731 |
| Arlan J Van Wyk Family Foundation | Po Box 389, 51201-0389 |
| Sheldon Christian School Association Foundation | 1425 E 9th St, 51201-2127 |
| Northwest Iowa Family Life Awareness Council Inc | Po Box 294, 51201-0294 |
| Sheldon Community Day Care Center Nursery School Inc | 1221 E 6th St, 51201-1771 |
| International Care Initiative | 811 26th Ave, 51201-1767 |
| Northwest Iowa Home Health Care & Hospice Foundation Inc | Po Box 250, 51201-0250 |
| Northwest Iowa Health Center Foundation Inc | 118 N 7th Ave, 51201-1235 |
| Childrens World Foundation | 1221 E 6th St, 51201-1771 |
| Sheldon Christian School Foundation | 1425 E 9th St, 51201-2127 |
| Sheldon Christian Retirement Home Inc | 1414 Elm Court, 51201-1850 |
| Sheldon Christian Retirement Home Foundation | 1414 Elm Court, 51201-1850 |
| Northwest Iowa Christian School | 461 Larkspur Way, 51201-8579 |
| Northwest Iowa Community College Foundation | 603 W Park St, 51201-1060 |
| Sheldon Community School Educational Foundation | 830 23rd Ave, 51201-1725 |
| Northwest Iowa Economic Development Corporation | 603 W Park St, 51201-1060 |
| Friends Of The Crossroads Pavilion Foundation | 301 34th Ave, 51201-7603 |
| Sheldon Public Library Foundation | 925 4th Ave, 51201-1517 |
| Vnu Foundation | 330 Village Cir, 51201-1243 |
| Sheldon United Fund Inc | Po Box 41, 51201-0041 |
| Honor God Ministries Inc | 701 3rd Ave, 51201-1525 |
| Love Inc Of Greater Sheldon | Po Box 213, 51201-0213 |
| Sheldon Historical Society | Po Box 35, 51201-0035 |
| Village Housing Inc | 330 Village Cir, 51201-1243 |
| Shine Like Stars Inc | 1951 E 9th St, 51201-1701 |
| Village Northwest Unlimited | 330 Village Cir, 51201-1243 |
| St Patricks Parish | 310 10th St, 51201-1530 |
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