| # | Name | Location | Applications |
|---|---|---|---|
| 1. | O2-O2, Inc. | πΊπΈ Brooklyn, NY, United States | 1 |
| 2. | O2O CO., LTD. | π°π· Chuncheon-si, Gangwon-do, South Korea | 3 |
| 3. | O2O CO., LTD. | π°π· Chuncheon-si, South Korea | 1 |
| 4. | O2OOL, LLC | πΊπΈ Fort Collins, CO, United States | 1 |