| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| h-hotels.com | Not Listed | Open | |
| h-proof.com | Not Listed | Open | |
| hsjohnson.com | Not Listed | Open | |
| h10hotels.com | Spain | Open | |
| h201shift.co | Not Listed | Open | |
| voltheat.com | Not Listed | Open | |
| h2oplants.com | Not Listed | Open | |
| h2oplus.com | Multiple | Open | |
| h2otaps.com | Not Listed | Open | |
| h2one.com | Not Listed | Open |