| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| uk.1clickprint.com | Not Listed | Open | |
| 1stopflorists.com | Multiple | Open | |
| 1und1.de | Multiple | Open | |
| 1and1.com | Multiple | Open | |
| 1and1.mx | Not Listed | Open | |
| 1-2-3.tv | Not Listed | Open | |
| 123blumenversand.de | Multiple | Open | |
| 1800lighting.com | Multiple | Open | |
| 1-800-4clocks.com | Multiple | Open | |
| 1800contacts.com | Multiple | Open |