| Business | Phone |
| Knox County District Ct Clerk 206 Main St, Center 68724 | (402) 288-5606 |
| Knox County Engineer 206 Main St, Center 68724 | (402) 288-4421 |
| Knox County Extension Office 308 Bridge St, Center 68724 | (402) 288-5611 |
| Knox County Highway Supt 206 Main St, Center 68724 | (402) 288-5610 |
| Knox County Register Of Deeds 206 Main St, Center 68724 | (402) 288-5613 |
| Knox County Shop Highway 84, Center 68724 | (402) 288-4214 |
| Knox County Veterans Svc Ofc 206 Main St, Center 68724 | (402) 288-5617 |