| # | Name | Location | Applications |
|---|---|---|---|
| 1. | F.H. INC. | 🇺🇸 Chicago, IL, United States | 1 |
| 2. | FH Innovations, Ltd | 🇨🇦 Markham, Ontario, Canada | 1 |
| 3. | FH Innovations, Ltd | Markham, Ontario, un | 1 |
| 4. | FH INSTRUMENTS, LLC | 🇺🇸 Berkeley, CA, United States | 1 |
| 5. | FHI (HONG KONG) LIMITED | 🇨🇳 Hong Kong, China | 1 |