| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| mushroomdesign.com | Not Listed | Open | |
| mushroommatrix.com | Not Listed | Open | |
| mushroomrevival.com | Not Listed | Open | |
| mushroomsupplies.com | Not Listed | Open | |
| musicgateway.com | Not Listed | Open | |
| musicmagpie.co.uk | United Kingdom | Open | |
| musicmagpie.co.uk | Multiple | Open | |
| musicminusone.com | Not Listed | Open | |
| musicnotes.com | Multiple | Open | |
| musicstore.de | Multiple | Open |