| MG Bureautique | Haute-Garonne |
| MG Mobile | |
| MGB Systèmes | Morbihan |
| MGDIS | |
| MGS | |
| MGS Sales & Marketing | Val-de-Marne |
| MIA Informatique | |
| Mia-Software | Paris |
| Miam S.A.S. | |
| Mic Data | Yvelines |
| Mickaël Boutry | Dordogne |
| Mickaël Braon | |
| Micro Be | Var |
| Micro Composants Boutique | Haut-Rhin |
| Micro Concept Software | Alpes-Maritimes |
| Micro Creation | Haute-Savoie |
| Micro Data S.A.R.L. | Moselle |
| Micro Diffusion | Haute-Garonne |
| Micro Réseaux Services | Métropole de Lyon |
| Micro Technique | Seine-Maritime |
| Micro Tonnerre | Yonne |
| Micro-Concept technologie | Maine-et-Loire |
| Micro-Epsilon France S.A.R.L. | Yvelines |
| Micro-Pointe S.A.R.L. | Tarn |
| Micro-Toubib | Alpes-Maritimes |
| Micro6 S.A.R.L. | Meurthe-et-Moselle |
| MicroBiB | Moselle |
| Microcasques France | |
| Microccase | Hérault |
| Microconcept informatique | Vaucluse |
| MicroEJ S.A. | |
| Microids | Paris |
| Micrologic | Bas-Rhin |
| Micrologiciel | Seine-Saint-Denis |
| Micromania | |
| Microminute | Seine-Maritime |
| Micronov | Ain |
| Microoled BHT | |
| Micropep Technologies | |
| Microphar Industries | Pyrénées-Orientales |
| Microplume | Essonne |
| Micropole | Hauts-de-Seine |
| Microproxy | Nord |
| Microrecup | Dordogne |
| Microsigma | Hauts-de-Seine |
| Microsoft France | Hauts-de-Seine |
| MicroSystem | Isère |
| MicroTech informatique | Calvados |
| Microtek | Drôme |
| Microworld | Isère |