| # | Name | Location | Applications |
|---|---|---|---|
| 1. | D2 AUTO GROUP, LLC | 🇺🇸 Houston, TX, United States | 2 |
| 2. | D2A Audio LLC | 🇺🇸 Morgan Hill, CA, United States | 1 |
| 3. | D2AUDIO CORPORATION | 🇺🇸 Milpitas, CA, United States | 20 |
| 4. | D2Audio Corporation | 🇺🇸 Austin, TX, United States | 15 |