| # | Name | Location | Applications |
|---|---|---|---|
| 1. | PR TECH CO., LTD. | 🇰🇷 , South Korea | 1 |
| 2. | PR Technology inc. | 🇨🇦 Vancover, Canada | 1 |
| 3. | PR-TECHNIK GmbH | 🇩🇪 Wertheim, Germany | 1 |
| 4. | PRT | 🇺🇸 Chicago, IL, United States | 1 |
| 5. | PRTC NV | 🇧🇪 Tisselt, Belgium | 1 |
| 6. | PRTI Global Management, LLC | 🇺🇸 Franklinton, NC, United States | 3 |
| 7. | Prtzker Neuropsychiatric Research Fund LLC | 🇺🇸 Chicago, IL, United States | 1 |
| 8. | PRÊT-À-TEMPLATE CRIAÇÃO E COMERCIALIZAÇÃO DE SOFTWARE DE MODA LTDA. | 🇧🇷 Lajeado, Brazil | 1 |