| # | Name | Location | Applications |
|---|---|---|---|
| 1. | H & H Tool Shop, LLC | 🇺🇸 Gallatin, TN, United States | 4 |
| 2. | H & H Tool Shop, LLC | 🇺🇸 Gallatin, TN, United States | 2 |
| 3. | H&H-T CO., LTD. | 🇹🇼 Taipei, Taiwan | 1 |
| 4. | H&H-T CO., LTD. | 🇹🇼 Taipei City, Taiwan | 2 |
| 5. | HH Technologies, Inc. | 🇺🇸 Bremen, AL, United States | 2 |