| # | Name | Location | Applications |
|---|---|---|---|
| 1. | ST-9 Inc. | 🇺🇸 Delray Beach, FL, United States | 1 |
| 2. | ST9 Gas and Oil, LLC | 🇺🇸 The Woodlands, TX, United States | 14 |
| 3. | ST9 GAS AND OIL, LLC | 🇺🇸 The Woodland, TX, United States | 2 |
| 4. | ST9 Gas and Oil, LLC | 🇺🇸 Magnolia, TX, United States | 1 |