| Business | Phone |
| Baker Trenching & Backhoe Svc 2041 Vista Hills Pl, Spearfish 57783 | (605) 642-4946 |
| Spearfish Excavating Inc 3122 Fairgrounds Loop, Spearfish 57783 | (605) 642-3305 |
| Forgey Construction 3525 E Colorado Blvd, Spearfish 57783 | (605) 641-1857 |
| Harmon Construction Inc 2225 Vista Hills Pl, Spearfish 57783 | (605) 642-7815 |