All 3 companies
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| BLACK HILLS STRATEGIC ENTERPRISE CO. | DB050433 | 2005-12-21 | Inactive | BROOKINGS |
| NORTH STAR TECHNOLOGY DEVELOPMENT INC. | DB050434 | 2005-12-21 | Inactive | RAPID CITY |
| STRATEGIC MANTECH INC. | DB050463 | 2005-12-27 | Dissolved | RAPID CITY |