| # | Name | Location | Applications |
|---|---|---|---|
| 1. | KR Design House, Inc. | πΊπΈ Torrance, CA, United States | 1 |
| 2. | KRD Corporation | π―π΅ Kanagawa, Japan | 2 |
| 3. | KRD Sicherheitstechnik GmbH | π©πͺ Geesthact, Germany | 1 |
| 4. | KRDC Co., Ltd. | π°π· , South Korea | 1 |
| 5. | KRDC CO., LTD. | π°π· Seoul, South Korea | 13 |
| 6. | KRDC LTD. | π°π· , South Korea | 1 |