| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| costbuys.com | Not Listed | Open | |
| costcuttersuk.com | Not Listed | Open | |
| costeffective.com.au | Not Listed | Open | |
| worldmarket.com | Multiple | Open | |
| livecostabrazil.com | Not Listed | Open | |
| costacroisieres.fr | Not Listed | Open | |
| costacruceros.es | Not Listed | Open | |
| costadelmar.com | Not Listed | Open | |
| costacrociere.it | Not Listed | Open | |
| costco.com | Not Listed | Open |