| # | Name | Location | Applications |
|---|---|---|---|
| 1. | PF Redskaber A/S | π©π° Gram, Denmark | 1 |
| 2. | PFR Patent Holding Company, LLC | πΊπΈ St. Clair Shores, MI, United States | 1 |
| 3. | Pfriemer Kataloge GmbH | π©πͺ Munchen, Germany | 1 |
| 4. | PFRIMMER NUTRICIA GMBH | π©πͺ Erlangen, Germany | 1 |