All 4 companies
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| EM8 CORPORATION | DB054818 | 2009-09-30 | Dissolved | RAPID CITY |
| MEDVAL TECHNOLOGIES INTERNATIONAL, INC. | DB032913 | 1993-04-12 | Dissolved | RAPID CITY |
| MEDVAL TECHNOLOGIES INTERNATIONAL, INC. | FB014561 | 1991-05-09 | Inactive | TUCSON |
| Proprietary Technology Assets, LLC | DL148565 | 2018-05-21 | Inactive | RAPID CITY |