| # | Name | Location | Applications |
|---|---|---|---|
| 1. | EQ TECH PLUS CO., LTD. | 🇰🇷 Suwon-si, South Korea | 4 |
| 2. | EQT Corporation | 🇺🇸 Pittsburgh, PA, United States | 5 |
| 3. | EQT IP VENTURES, LLC | 🇺🇸 Henderson, NV, United States | 1 |
| 4. | EQT IP Ventures, LLC | 🇺🇸 Las Vegas, NV, United States | 2 |
| 5. | EQTEC Engineered Quartz Technology GmbH | 🇦🇹 Wiener Neustadt, Austria | 1 |