| # | Name | Location | Applications |
|---|---|---|---|
| 1. | W SOLAR CO., LTD. | π°π· Daejeon, South Korea | 1 |
| 2. | WSOPTICS TECHNOLOGIES GMBH | π©πͺ Rettenbach am Auerberg, Germany | 2 |
| 3. | WSOU INVESTMENTS, LLC | πΊπΈ Waco, TX, United States | 1 |
| 4. | WSOU Investments, LLC | πΊπΈ Los Angeles, CA, United States | 14 |