| Business | Phone |
| D S & S 640 N Us Highway 35, Knox 46534 | (574) 772-0150 |
| Rick's Plumbing Heating & Elec 4415 E 200 N, Knox 46534 | (574) 772-7823 |
| E & B Plumbing 711 E Lake St, Knox 46534 | (574) 772-4151 |
| Palm Plumbing 2300 S 800 E, Knox 46534 | (574) 772-7130 |