| # | Name | Location | Applications |
|---|---|---|---|
| 1. | SF-Kooperation GmbH Beton-Konzepte | 🇩🇪 Bremen, Germany | 3 |
| 2. | SF-Kooperation GmbH Beton-Konzepte | 🇩🇪 , Germany | 1 |
| 3. | SFK BUSINESS VENTURES, LLC | 🇺🇸 Tucson, AZ, United States | 1 |
| 4. | SFK LEBLANC A/S | 🇩🇰 Kolding, Denmark | 2 |
| 5. | SFK Systems A/S | 🇩🇰 Aalborg SO, Denmark | 1 |
| 6. | SFK SYSTEMS A/S | 🇩🇰 Aalborg, Denmark | 1 |
| 7. | SFK Systems A/S | 🇩🇰 Kolding, Denmark | 1 |
| 8. | SFK Technology A/S | 🇩🇰 Herlev, Denmark | 1 |
| 9. | SFK USA Inc. | 🇺🇸 Elgin, IL, United States | 1 |
| 10. | SFK-DANFOTECH A/S | 🇩🇰 DL-9100 Aalborg, Denmark | 1 |