| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| quantumclock.pl | Not Listed | Open | |
| quantumsquares.com | Not Listed | Open | |
| highflowfuel.com | Not Listed | Open | |
| qnlabs.com | Not Listed | Open | |
| jonathanparker.org | Multiple | Open | |
| quark.com | Not Listed | Open | |
| quarkexpeditions.com | Not Listed | Open | |
| shopquarters.com | Not Listed | Open | |
| quartet.com | Not Listed | Open | |
| quartile.com | Not Listed | Open |