| # | Name | Location | Applications |
|---|---|---|---|
| 1. | Q SOFTWARE GLOBAL LIMITED | 🇬🇧 Dorking, United Kingdom | 1 |
| 2. | Q'SO Incorporated | 🇺🇸 Fort Worth, TX, United States | 1 |
| 3. | Q'SO, Inc. | 🇺🇸 Saginaw, TX, United States | 1 |
| 4. | QSO Inc. | 🇨🇦 Red Deer, Canada | 2 |
| 5. | QSO Interferometer Systems AB | 🇸🇪 Halmstad, Sweden | 2 |
| 6. | QSOUND LABS, INC. | 🇨🇦 , Canada | 1 |
| 7. | QSound Labs, Inc. | 🇨🇦 Calgary, Canada | 3 |
| 8. | Qsound Labs, Inc. | 🇨🇦 Calgary Providence Alberta, Canada | 1 |