| Business | Phone |
| Churchill Construction 4614 State Route 269 S, Castalia 44824 | (419) 684-7120 |
| Gerber Custom Construction 7519 Parker Rd, Castalia 44824 | (419) 684-9865 |
| Leo W Kaufman General Cntrctng 8213 Rogers Rd, Castalia 44824 | (419) 684-5595 |
| M & C Unlimited Construction 2604 Prairie Rd, Castalia 44824 | (419) 684-9280 |
| Miller & Sons Construction Inc 116 Depot St, Castalia 44824 | (419) 684-5307 |
| Thom Builders 3417 Willow Glen Dr, Castalia 44824 | (419) 684-5631 |