| # | Name | Location | Applications |
|---|---|---|---|
| 1. | Ok Min Kim | 🇰🇷 Geumgok-ri, Jinjeop-eup, Namyangju-si, Gyeonggi-do, South Korea | 1 |
| 2. | Ok Min KIM | 🇰🇷 Yongin-si, South Korea | 1 |
| 3. | Ok Min Kim | 🇰🇷 Yongin-si, Gyeonggi-do, South Korea | 2 |
| 4. | Ok Min Kim | 🇰🇷 Gyeonggi-do, South Korea | 1 |
| 5. | OKM GMBH | 🇩🇪 Altenburg, Germany | 1 |
| 6. | OKM GMBH | 🇩🇪 Windischleuba, Germany | 2 |
| 7. | OKMETIC OY | 🇫🇮 Vantaa, Finland | 1 |
| 8. | Okmetic OYJ | 🇫🇮 Vantaa, Finland | 7 |