| # | Name | Location | Applications |
|---|---|---|---|
| 1. | Etkin | 🇺🇸 , United States | 1 |
| 2. | etkon Centrum fur dentale CAD/CAM- Technologie AG | 🇩🇪 Grafeling, Germany | 1 |
| 3. | etkon Centrum fur dentale CAD/CAM-Technologie AG | 🇩🇪 Grafelfing, Germany | 4 |
| 4. | ETKON CENTRUM FÜR DENTALE CAD/CAM-TECNOLOGIE AG | 🇩🇪 Graefelfing, Germany | 1 |