| # | Name | Location | Applications |
|---|---|---|---|
| 1. | H R D Coporation | 🇺🇸 Houston, TX, United States | 1 |
| 2. | H R D Corporation | 🇺🇸 Sugar Land, TX, United States | 21 |
| 3. | H R D Corporation | 🇺🇸 Sugard Land, TX, United States | 1 |
| 4. | H R D Corporation | 🇺🇸 Houston, TX, United States | 129 |
| 5. | H R D Corporation | 🇺🇸 , United States | 1 |
| 6. | HRD CORP. | 🇺🇸 Houston, TX, United States | 9 |
| 7. | HRD CORP. D/B/A MARCUS OIL & CHEMICAL | 🇺🇸 Houston, TX, United States | 1 |
| 8. | HRD CORPORATION | 🇺🇸 Houston, TX, United States | 5 |