| # | Name | Location | Applications |
|---|---|---|---|
| 1. | KR Design House, Inc. | 🇺🇸 Torrance, CA, United States | 1 |
| 2. | KRD Corporation | 🇯🇵 Kanagawa, Japan | 2 |
| 3. | KRD Sicherheitstechnik GmbH | 🇩🇪 Geesthact, Germany | 1 |
| 4. | KRDC Co., Ltd. | 🇰🇷 , South Korea | 1 |
| 5. | KRDC CO., LTD. | 🇰🇷 Seoul, South Korea | 13 |
| 6. | KRDC LTD. | 🇰🇷 , South Korea | 1 |