| 4tel3 | 4Tel Telekomunikacije d.o.o. |
| a1 | A1 Hrvatska d.o.o. |
| krksistemi | AIRNET d.o.o. za telekomunikacije |
| akd | AKD d.o.o. |
| adscanner | all eyes on screens d.o.o. |
| apis-it | APIS IT d.o.o. |
| assecosee | ASEE SOLUTIONS d.o.o |
| vox | Avola Solutions d.o.o. |
| barrage | Barrage d.o.o. |
| bit | BIT d.o.o. |
| btnet | BT NET d.o.o. za trgovinu i usluge |
| bubausluge | BUBA USLUGE d.o.o. |
| cratis | CRATIS d.o.o. |
| carnet | Croatian Academic and Research Network |
| croatian | Croatian Regulatory Authority for Network Industries |
| avalon | cyber_Folks d.o.o |
| databox | DATABOX d.o.o. |
| syshead | Denis Dokleja trading as Syshead |
| digicom | Digicom d.o.o. |
| drservernet | drServer.net Ltd. |
| econet | Eco Net d.o.o. |
| egoit | EGO INFORMATIKA d.o.o. |
| eolohr | EOLO Hrvatska d.d. |
| fenice | Fenice Telekom Grupa d.o.o. |
| filip | Filip informatika d.o.o. |
| fina | Financijska agencija |
| konektorbrac | Frano Jelincic trading as Konektor Brac |
| franz-net2 | FRANZ NET d.o.o. |
| globaldizajn | Globaldizajn d.o.o. |
| ri | Grad Rijeka-Gradsko Vijece |
| hattrick-psk | Hattrick-PSK d.o.o. |
| hep | HEP-TELEKOMUNIKACIJE d.o.o. |
| hrvatskalutrija | Hrvatska Lutrija d.o.o. |
| hnb | Hrvatska narodna banka |
| hak | Hrvatski autoklub |
| hops | Hrvatski operator prijenosnog sustava d.d. |
| hptnet | Hrvatski Telekom d.d. |
| iskon | Hrvatski Telekom d.d. |
| igptech | iGP Tech d.o.o. |
| info-impero | Info-Impero d.o.o. |
| infoart | Infoart d.o.o. |
| admiral | INTERIGRE doo za igre na srecu |
| intersat | Intersat Telekomunikacije d.o.o. |
| altus | InterXion Hrvatska d.o.o. |
| sudostar1 | Josip Sabolek |
| kingict | KING ICT d.o.o. |
| kod-si | KONCAR - Sistemske integracije d.o.o. |
| ktvnet | KTV net d.o.o. |
| mtnet | MAGIC NET D.O.O. |
| maratela1 | Maratela mreze d.o.o. |
| maxko | MAXKO d.o.o. |
| mup | Ministarstvo unutarnjih poslova Republike Hrvatske |
| netlogic | NetLogic d.o.o. |
| netvis | Netvis d.o.o. |
| oiv | Odasiljaci i veze d.o.o. |
| omonia | OMONIA d.o.o. |
| oktv | Optika Kabel TV d.o.o. |
| orbis | ORBIS d.o.o. |
| sgsplitskabanka | OTP banka d.d. |
| plinacro | PLINACRO d.o.o. |
| dhh | Plus Hosting Grupa d.o.o. |
| ping | PRO-PING d.o.o. |
| proaxis | Proaxis d.o.o. |
| pronect | Pronect Technology LTD |
| r14 | Release14 d.o.o. |
| shopcentar | S.H.O.P. CENTAR D.O.O. |
| sedmiodjel | Sedmi Odjel d.o.o. |
| itsoft | SETCOR d.o.o. |
| supersport | SUPER SPORT d.o.o. |
| fastnet | SUZIKA BUSINESS d.o.o. |
| sysbee | System Bee d.o.o. |
| etic | Tajana Doklej trading as DIGITALNA TISKARA "ETIC" |
| telemach | Telemach Hrvatska d.o.o. |
| tele2 | Telemach Hrvatska d.o.o. |
| telensa | Telensa d.o.o. |
| volja | Terrakom d.o.o. |
| bion | Tijana Dokleja trading as BION |
| tonet1 | TONet d.o.o. |
| tonet2 | TONet d.o.o. |
| tria | Tria d.o.o. |
| srce | University of Zagreb University Computing Centre |
| backoffice | Ured za podrsku d.o.o. |
| valsil-kt | Valsil d.o.o. |
| vrw | Vrbovec Wireless |
| webit | web IT d.o.o. |
| zse | Zagreb Stock Exchange, Inc. |
| zaba | Zagrebacka banka d.d. |