| 4281 | Magdalena Hospital | http://www.magdalena.hr |
| 4282 | Magdić d.o.o. | http://www.magdic.hr |
| 4283 | Magic Market | http://www.magic-market.hr |
| 4284 | Magis d.o.o. | http://www.nekretnine-magis.hr |
| 4285 | Magna-Rx | http://www.rx-flaster.com |
| 4286 | Magnetic, studio | http://www.magnetic-nokti.hr |
| 4287 | Magnetix | http://www.magnetix.hr |
| 4288 | Magnum Yacht Charter | http://www.magnumnautica.com |
| 4289 | Magra d.o.o. | http://www.magra.hr |
| 4290 | Magrad d.o.o. | http://www.magrad.hr |
| 4291 | Magros d.o.o. | http://www.magros.com |
| 4292 | Maidea d.o.o. | http://www.maidea.hr |
| 4293 | Mainframe Film Production | http://www.mainframeproduction.com |
| 4294 | Maistra d.d. | http://www.maistra.hr |
| 4295 | Maja Mioković | http://www.majamiokovic.com |
| 4296 | Maja Prom, agencija | http://www.maja-prom.htnet.hr |
| 4297 | MAJA-SAŠA d.o.o. | http://www.masa.hr |
| 4298 | Majnarić, obrt | http://www.majnaric.com |
| 4299 | Majstor, magazin | http://www.majstor.hr |
| 4300 | Makar d.o.o. | http://www.makar.hr |