| Name | Address, Zip |
| Yankton County 4-h Clubs | 901 Whiting Dr, 57078-3121 |
| Ability Building Services Inc | 909 W 23rd St, 57078-1510 |
| Lewis And Clark Theatre Company Inc | 328 Walnut St, 57078-4345 |
| Yankton Education And Health Care Fund Inc | 1104 W 8th St, 57078-3306 |
| Family Education And Counseling Center Inc | 1700 Burleigh St, 57078-2418 |
| Yankton Area Mental Wellness | 1028 Walnut St, 57078-2910 |
| Yankton County Parents As Teachers Inc | 610 W 23rd Street, 57078-1218 |
| South Dakota Narcotics Officers Association | 2703 Abbott Cir, 57078-5330 |
| Yankton Regional Aviation Association Inc | 2209 Burleigh St Apt 201, 57078-7208 |
| Bucks Soccer | 904 W 11th St, 57078-2704 |
| Contact-referral Center For Human Resources | 321 W 3rd St Ste B02, 57078-4396 |
| Yankton County Child Protection Team Inc | Po Box 315, 57078-0315 |
| River City Gymnastics Club Inc | 2101 Broadway Ave, 57078-1607 |
| South Dakota Knights Of Columbus Foundation Inc | 1806 College St, 57078-2218 |
| Friends Of The Yankton Community Library | 515 Walnut St, 57078-4042 |
| Yankton County Historical Society | 82 Mickelson Dr, 57078-5966 |
| Decoding Dyslexia South Dakota | 806 Logan Cir, 57078-4911 |
| South Dakota Society Of Fire Service Instructors | 407 Burgess Rd, 57078-1817 |
| Historic Downtown Yankton Inc | Po Box 9124, 57078-9124 |
| Sioux Empire Youth Symphony | 100 W 4th St, 57078-4308 |
| Friends Of Gavins Point National Fish Hatchery Inc | 31227 436th Ave, 57078-6364 |
| Gazelles Soccer | 418 W 15th St Apt 3, 57078-2038 |
| Heritage Homes Inc | 306 W Riverside Dr, 57078-4347 |
| Yankton Opportunity Network Inc | 1205 Peyton Ln, 57078-1963 |
| Zoecare Inc | 2007 Locust St, 57078-2030 |
| Sigma Theta Tau International Inc | 1207 W 16th St, 57078-1955 |
| Toastmasters International | 711 Green St, 57078-3818 |
| Supporters Of Yankton Middle School | Po Box 738, 57078 |
| Yankton Swim Team | Po Box 374, 57078-0374 |
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