| # | Name | Location | Applications |
|---|---|---|---|
| 1. | GF Developpement | 🇨🇦 Laval, Québec, Canada | 1 |
| 2. | GFD Fabrics, Inc. | 🇺🇸 Greensboro, NC, United States | 1 |
| 3. | GFD Gesellschaft fur Diamantprodukte mbH | 🇩🇪 Bellenberg, Germany | 1 |
| 4. | GFD Gesellschaft fur Diamantprodukte mbH | 🇨🇠Ulm, Switzerland | 1 |
| 5. | GFD Gesellschaft für Diamantprodukte mbH | 🇩🇪 , Germany | 2 |
| 6. | GFD Gesellschaft für Diamantprodukte mbH. | 🇩🇪 Ulm, Germany | 1 |
| 7. | GFD SUEZ | 🇫🇷 Courbevoie, France | 1 |