| Business | Phone |
| Boller Construction 11130 W 93rd Ave, St John 46373 | (219) 365-9398 |
| Camri Construction Inc 9176 Columbia Ave, St John 46373 | (219) 365-9875 |
| Concept Builders Inc 10220 Wicker Ave, St John 46373 | (219) 365-9024 |
| Cook Builders 9559 W 89th Ave, St John 46373 | (219) 365-8660 |
| D Wilson Builder Inc 9470 Joliet St, St John 46373 | (219) 365-4833 |
| Eggert Builders 9217 Calumet Ave, St John 46373 | (219) 365-6931 |
| Legacy Builders Inc 10001 Northcote Ct, St John 46373 | (219) 365-2378 |
| Nelson Construction Inc 8780 Wicker Ave, St John 46373 | (219) 365-5375 |
| Olthof Homes 8051 Wicker Ave # A, St John 46373 | (219) 558-8080 |
| Schilling Custom Home Builders 8925 Louis Ct, St John 46373 | (219) 365-5811 |
| Siemons Job Site Trailer 11355 W 95th Pl, St John 46373 | (219) 365-0086 |
| Tri-County Development Co 12636 W 101st Ave, St John 46373 | (219) 365-2600 |