| Business | Phone |
| Oglala Manderson Head Start Po Box 17, Manderson 57756 | (605) 867-5368 |
| Oglala Sioux Tribe Chr Program Manderson 57756 | (605) 867-1826 |
| Oglala Sioux Youth Opportunity Manderson 57756 | (605) 867-2657 |
| Manderson Police Dept Manderson 57756 | (605) 867-5729 |