| # | Name | Location | Applications |
|---|---|---|---|
| 1. | K.C.ENC CO., LTD. | 🇰🇷 Seoul, South Korea | 1 |
| 2. | K.C.ENC CO.,LTD. | 🇰🇷 Seoul, South Korea | 1 |
| 3. | KC ENERGY, LLC | 🇺🇸 Erie, PA, United States | 2 |
| 4. | KCE ENG CO., LTD. | 🇰🇷 Anyang-si, Gyeonggi-do, South Korea | 1 |
| 5. | KCE Tokyo, Inc. | 🇯🇵 Tokyo, Japan | 2 |
| 6. | KCEO Inc. | 🇯🇵 Osaka-fu, Japan | 1 |
| 7. | KCEO Inc. | 🇯🇵 Osaka, Japan | 1 |
| 8. | KCERACELL CO., LTD. | 🇰🇷 Chungcheongnam-do, South Korea | 3 |
| 9. | KCERACELL CO., LTD. | 🇰🇷 Daejeon, South Korea | 1 |