| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| omio.co.uk | Not Listed | Open | |
| omio.com | Not Listed | Open | |
| omio.co.uk | Not Listed | Open | |
| omius.io | Not Listed | Open | |
| omlet.co.uk | Not Listed | Open | |
| ommerland.nl | Not Listed | Open | |
| omnes.com | Not Listed | Open | |
| omni.pet | Not Listed | Open | |
| omnibikeparts.com | Not Listed | Open | |
| omneque.com | Not Listed | Open |