| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| onyx-hospitality.com | United States | Open | |
| onzie.com | Multiple | Open | |
| oobi.com.au | Not Listed | Open | |
| oobli.com | Not Listed | Open | |
| yuneec.com | Not Listed | Open | |
| oofos.com | Not Listed | Open | |
| oogarden.com | Multiple | Open | |
| oogvoororen.nl | Not Listed | Open | |
| oohbabybyanika.com | Not Listed | Open | |
| oohlaluxe.com | Multiple | Open |