| Business | Phone |
| Douglas County Agent 706 Braddock St, Armour 57313 | (605) 724-2719 |
| Douglas County Fair Board 39182 280th St, Armour 57313 | (605) 724-2111 |
| Douglas County Fair Board Highway 408, Armour 57313 | (605) 724-2111 |
| Douglas County Highway Shed 806 Braddock St, Armour 57313 | (605) 724-2710 |
| Douglas County Historical Msm 710 Braddock St, Armour 57313 | (605) 724-2115 |
| Douglas County Register-Deeds 706 Braddock St, Armour 57313 | (605) 724-2204 |