| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| sightsage.com | Not Listed | Open | |
| sigmabeauty.com | Multiple | Open | |
| sigmaestimates.com | Not Listed | Open | |
| sigmasports.com | Not Listed | Open | |
| sigmasports.com | Not Listed | Open | |
| signartetc.com | Multiple | Open | |
| signinapp.com | Not Listed | Open | |
| signofthetimeslondon.com | Not Listed | Open | |
| signable.co.uk | Not Listed | Open | |
| signables.com | Not Listed | Open |