| Business | Phone |
| Tc Construction 1645 Christensen Dr, Spearfish 57783 | (605) 642-3071 |
| Siemonsma Construction Inc 1755 Iron Horse Loop, Spearfish 57783 | (605) 642-1555 |
| Donovan Construction 514 S 32nd St, Spearfish 57783 | (605) 642-1747 |
| James Sonny Construction 1856 Iron Horse Loop, Spearfish 57783 | (605) 642-3801 |