| 4581 | Met-Usluge d.o.o. | http://www.met-usluge.hr |
| 4582 | Mex Cantina | http://www.mex-cantina.hr |
| 4583 | MEX d.o.o. | http://www.mex.hr |
| 4584 | MG Rijeka d.o.o. | http://www.mg-rijeka.hr |
| 4585 | MGP Fruitcake | http://www.mgpfruitcake.hr |
| 4586 | MGPFRU!TCAKE | http://www.wof.hr |
| 4587 | MG-Sport d.o.o. | http://www.mg-sport.hr |
| 4588 | MGV d.o.o. | http://www.mgv.hr |
| 4589 | Mi - Va d.o.o. | http://www.mi-va.hr |
| 4590 | MI Cerovski d.o.o. | http://www.mesna-industrija-cerovski.hr |
| 4591 | Mi Star d.o.o. | http://www.mistar.hr |
| 4592 | MIA, obrt | http://www.kuglice.com |
| 4593 | Miatours d.o.o. | http://www.miatours.hr |
| 4594 | Michelangelo d.o.o. | http://www.michelangelo.hr |
| 4595 | MICK d.o.o. | http://www.mick.hr |
| 4596 | Miconic-dizala d.o.o. | http://www.miconic-dizala.hr |
| 4597 | Micro El d.o.o. | http://www.microel.hr |
| 4598 | Microline d.o.o. | http://www.microline.hr |
| 4599 | Micromatic - obrt | http://www.micromatic.hr |
| 4600 | Microsoft | http://www.microsoft.hr |