| # | Name | Location | Applications |
|---|---|---|---|
| 1. | R. Kern Engineering & Manufacturing Corp. | πΊπΈ Chino, CA, United States | 2 |
| 2. | RKEMA | π«π· Puteaux, France | 1 |
| 3. | Rkema France | π«π· Colombes, France | 1 |
| 4. | Rketype Solutions Inc. | πΊπΈ Wilton Manors, FL, United States | 1 |