| Name | Address, Zip |
| 4-h Clubs & Affiliated 4-h Organizations | 1115 Gilman Ave, 45750-9428 |
| Washington County Agricultural & Mechanical Association | 922 Front St, 45750-1837 |
| Amateur Athletic Union Of The United States | 834 2nd St, 45750-1820 |
| Marietta American Legion Youth Baseball Team | 300 6th St, 45750-3245 |
| Mid Ohio Valley Aquatic Center Inc | 1496 Gelndale Road, 45750 |
| Maretta Monsters Baseball Association | 302 Bohl Dr, 45750-9625 |
| Warren Youth Basketball Association | 5657 Warren Chapel Rd, 45750-6978 |
| Betsey Mills Corporation | 300 Fourth Street, 45750-4081 |
| United States Bowling Congress Inc | 203 Walnut Dr, 45750-1056 |
| United States Bowling Congress Inc | 311 Ingleside Ave, 45750-3416 |
| Friends Of Marietta Cheer | 725 2nd St, 45750-1819 |
| Tr Social Club Inc | 228 Pike St Apt 1, 45750-3390 |
| Marietta Gun Club Inc | Po Box 531, 45750-0531 |
| Marietta Rowing & Cycling Club Inc | Po Box 223, 45750-0223 |
| Marietta Sweet Corn Festival Inc | Po Box 194, 45750-0194 |
| Hells Orchard Roller Derby | Po Box 673, 45750-0673 |
| Make It Go Disc Golf | 1224 Lancaster St, 45750-7824 |
| Marietta Tigers Youth Football | 1176 River Rd, 45750-5497 |
| Fountain Foundation | 406 4th St, 45750-2003 |
| Marietta Youth League Inc | Po Box 717, 45750-0717 |
| Marietta Moxie Softball Organization | 149 Cornerstone Dr, 45750-9047 |
| Marietta Sluggers | 114 Berry Ln, 45750-6874 |
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