| # | Name | Location | Applications |
|---|---|---|---|
| 1. | H&T Rechargeable LLC | 🇺🇸 Waterbury, CT, United States | 1 |
| 2. | H&T RECHARGEABLE SOLUTIONS GMBH | 🇩🇪 Marsberg, Germany | 1 |
| 3. | HT Research Inc. | 🇺🇸 North Tustin, CA, United States | 8 |
| 4. | HT RESOURCES, INC. | 🇺🇸 Austin, TX, United States | 1 |
| 5. | HT&R Sports, LLC | 🇺🇸 Cardiff, CA, United States | 1 |
| 6. | HTR Development, LLC | 🇺🇸 Orlando, FL, United States | 6 |
| 7. | HTR Development, LLC | 🇺🇸 Gotha, FL, United States | 8 |
| 8. | HTR SA | 🇬🇷 Elafonisos Lakwnias, Greece | 1 |