| Business | Phone |
| Winnebago Child Support 415 Jackson St, Oshkosh 54901 | (920) 236-4780 |
| Winnebago Committee On Aging 220 Washington Ave, Oshkosh 54901 | (920) 236-4668 |
| Winnebago County Aging Comm 220 Washington Ave, Oshkosh 54901 | (920) 236-4650 |
| Winnebago County Social Svc 220 Washington Ave, Oshkosh 54901 | (920) 236-4600 |