| # | Name | Location | Applications |
|---|---|---|---|
| 1. | H. Krieghoff GmbH | 🇩🇪 Ulm, Germany | 1 |
| 2. | HKR AUTOMOTIVE GMBH | 🇩🇪 , Germany | 1 |
| 3. | HKR Seuffer Automotive GmbH & Co. KG | 🇩🇪 , Germany | 1 |
| 4. | HKR SEUFFER AUTOMOTIVE GMBH & CO. KG | 🇩🇪 Kupferzell, Germany | 6 |
| 5. | HKR SEUFFER AUTOMOTIVE GMBH & CO. KG | 🇩🇪 Kupferzell, Germany | 3 |
| 6. | Hkross AG | 🇨🇠Schaffhausen, Switzerland | 1 |