| # | Name | Location | Applications |
|---|---|---|---|
| 1. | E. K. Fox & Associates, Ltd. | 🇺🇸 Fairfax, VA, United States | 1 |
| 2. | EKFG Pty. Ltd. | 🇦🇺 Orange, Australia | 1 |
| 3. | EKFG Pty. Ltd. | 🇦🇺 Orange, NSW, Australia | 1 |
| 4. | EKF—Diagnostic GmbH | 🇩🇪 Barleben, Germany | 1 |