| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| mattressfirm.com | Multiple | Open | |
| mattressomni.ca | Not Listed | Open | |
| mattresstopper.com | Not Listed | Open | |
| mattresswarehouse.com | Not Listed | Open | |
| mattressfoundations.com | Not Listed | Open | |
| mattressman.co.uk | Multiple | Open | |
| mattressnextday.co.uk | Not Listed | Open | |
| mattressonline.co.uk | Multiple | Open | |
| maturedrivertuneup.com | Not Listed | Open | |
| maturelion.com | Not Listed | Open |