| Carrier | Domain | |
| A1 Hrvatska | wholesale@A1.hr | ZG, CRO, EUR, INT |
| Akton | info@akton.hr | ZG, CRO, EUR |
| BTnet | info@btnet.hr | ZG |
| Cogent | web form | EUR, INT |
| CRATIS | sales@cratis.hr | ZG, VŽ, CRO |
| HEP – Hrvatska elektroprivreda | http://www.hep.hr/hep/en/contacts.aspx | N/A |
| Hrvatski Telekom | wholesale@t.ht.hr | ZG, CRO, EUR, INT |
| Hurricane Electric | sales@he.net | INT |
| Iskon |
wholesale@iskon.hr carriers@iskon.hr |
ZG, CRO, EUR, INT |
| Odašiljači i veze d.o.o. | prodaja@oiv.hr | ZG, CRO, EUR |
| Omonia | omonia@omonia.hr | ZG, CRO, EUR, INT |
| OPTIKA KABEL TV | helpdesk@oktv.hr | ZG, CRO |
| Optima Telekom | info@optima-telekom.hr | ZG, CRO |
| SETCOR | info@setcor.com | ZG |
| SoftNET d.o.o. | cix@softnet.hr | ZG, CRO, EUR |
| Stelkom | info@stelkom.si | ZG, CRO, EUR, INT |
| Terrakom | info@terrakom.hr | ZG, CRO |
| Unitel | unitel@unitel-telekom.hr | ZG, CRO |
For all informations about the carriers on CIX2 site please contact sales@altus-it.hr.
For all informations about the carriers on CIX2 site please contact support@dcnorth.hr.

