| Business | Phone |
| Above Board Carpentry 12916 Doris Ct, Black Hawk 57718 | (605) 786-1131 |
| Steele Construction Po Box 269, Black Hawk 57718 | (605) 787-4040 |
| Semmler Manufacturing 7389 Independence St, Black Hawk 57718 | (605) 787-4765 |
| R C Peter Construction 10108 Cantle Ct, Black Hawk 57718 | (605) 348-5430 |