A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 1
| Manpower (14) | Manpower Romania (4) |
| Mechel Service Romania (6) | MEDIPLUS EXIM SRL (4) |
| Mercedes-Benz Romania S.R.L. (7) | MERIDIAN BUSINESS GRUP SRL. (5) |
| Metro Group (10) | Michelin Romania (4) |
| Microsoft (51) | Microsoft Corporation (24) |
| Microsoft Romania SRL (8) | Monsanto (5) |
| Monsanto do Brasil (5) |