| Business | Phone |
| Water Pumping Station 800 S East St, Knox 46534 | (574) 772-4461 |
| California Township Trustee 6809 S Shewski Rd, Knox 46534 | (574) 772-3635 |
| Center Township Trustee 505 Delamatyr St, Knox 46534 | (574) 772-7646 |
| Sewage Disposal Plant 101 W Washington St, Knox 46534 | (574) 772-2961 |
| Knox Planning Commission 101 W Washington St, Knox 46534 | (574) 772-5445 |
| Knox St Superintendent 101 W Washington St, Knox 46534 | (574) 772-3825 |