| # | Name | Location | Applications |
|---|---|---|---|
| 1. | DK LAB CO., LTD. | 🇰🇷 Hwaseong si, Gyeonggi do, South Korea | 1 |
| 2. | DK-LOK CORPORATION | 🇰🇷 Gimhae, Gyeongsangnam-Do, South Korea | 3 |
| 3. | DK-LOK CORPORATION | 🇰🇷 Gimhae-si, South Korea | 1 |
| 4. | DK-LOK CORPORATION | 🇰🇷 Gimhae, South Korea | 2 |
| 5. | DKL INTERNATIONAL, INC. | 🇺🇸 Fernandina Beach, FL, United States | 4 |
| 6. | DKL INTERNATIONAL, INC. | 🇺🇸 Reston, VA, United States | 1 |
| 7. | DKL S.R.L. | 🇮🇹 Roma, Italy | 1 |