| # | Name | Location | Applications |
|---|---|---|---|
| 1. | X-Tower Consructions GmbH | 🇩🇪 Munich, Germany | 1 |
| 2. | X-Tower Construction GmbH | 🇩🇪 Munich, Germany | 1 |
| 3. | X-Tower Constructions GmbH | 🇩🇪 Munich, Germany | 1 |
| 4. | XTO Energy Inc. | 🇺🇸 Fort Worth, TX, United States | 1 |
| 5. | Xtone Networks, Inc. | 🇺🇸 Reston, VA, United States | 4 |
| 6. | Xtone, Inc. | 🇺🇸 McLean, VA, United States | 21 |
| 7. | XTools, LLC | 🇺🇸 Bradenton, FL, United States | 1 |