| Business | Phone |
| Clay County Extension Svc 111 W Fairfield St 6, Clay Center 68933 | (402) 762-3644 |
| Clay County Fairgrounds 701 N Martin, Clay Center 68933 | (402) 762-3685 |
| Clay County Superintendent 111 W Fairfield St, Clay Center 68933 | (402) 762-3462 |
| Clay County Veteran Svc Ofcr 111 W Fairfield St, Clay Center 68933 | (402) 762-3508 |
| Clay County Weed Control Auth 403 S Clay Ave, Clay Center 68933 | (402) 762-3652 |