| # | Name | Location | Applications |
|---|---|---|---|
| 1. | D&D CORPORATION | 🇯🇵 Yokkaichi-shi, Mie, Japan | 1 |
| 2. | DD CARES CO., LTD. | 🇰🇷 Seongnam-si, Gyeonggi-do, South Korea | 2 |
| 3. | DD Cares Co.,Ltd | 🇰🇷 Seongnam-si, South Korea | 1 |
| 4. | DD Custom Industries, LLC | 🇺🇸 Orangevale, CA, United States | 1 |
| 5. | DD&C TRADING COMPANY LLC | 🇺🇸 Aurora, CO, United States | 1 |
| 6. | DDC ENGINEERING B.V. | 🇳🇱 Deventer, Netherlands | 2 |
| 7. | DDC TECHNOLOGY, LLC | 🇺🇸 Austin, TX, United States | 5 |
| 8. | DDCGP, LLC | 🇺🇸 Palo Alto, CA, United States | 1 |
| 9. | DDCNet, LLC | 🇺🇸 Tullahoma, TN, United States | 1 |