| Business | Phone |
| Us Land Operations 1004 Omaha St, Mission 57555 | (605) 856-2334 |
| Us Plant Management 1004 Omaha St, Mission 57555 | (605) 856-4405 |
| Us Realty Highway 83 S, Mission 57555 | (605) 856-4649 |
| Us Realty Branch Bia Offices, Mission 57555 | (605) 856-2471 |
| Us Roads Branch 1004 Omaha St, Mission 57555 | (605) 856-2301 |