| # | Name | Location | Applications |
|---|---|---|---|
| 1. | IHT Automation GmbH & Co. KG | 🇩🇪 Baden-Baden, Germany | 3 |
| 2. | IHT Automation GmbH & Co. KG | 🇩🇪 Baden-Baden, Germany | 6 |
| 3. | IHT INNOVATIVE HEIZTECHNIK GmbH | 🇩🇪 Warendorf, Germany | 1 |
| 4. | IHT Project GmbH | 🇩🇪 Lippstadt, Germany | 1 |
| 5. | IHT Technology, Inc. | 🇺🇸 San Antonio, TX, United States | 2 |