| # | Name | Location | Applications |
|---|---|---|---|
| 1. | P & F BROTHER INDUSTRIAL CORPORATION | 🇹🇼 TAICHUNG CITY, Taiwan | 2 |
| 2. | P & F BROTHER INDUSTRIAL CORPORATION | 🇹🇼 Taichung, Taiwan | 12 |
| 3. | P & F Brother Industrial Corporation | 🇹🇼 Taichung, Taiwan | 12 |
| 4. | P&F Brother Industrial Corporation | 🇹🇼 Taichung, Taiwan | 6 |
| 5. | PF BioMedical Solutions, LLC | 🇺🇸 Baton Rouge, LA, United States | 1 |
| 6. | PFB Innovations, LLC | 🇺🇸 Suwanee, GA, United States | 1 |
| 7. | PFBC ENVIRONMENTAL ENERGY TECHNOLOGY, INC. | 🇺🇸 Pittsburgh, PA, United States | 2 |