Enviroment
| Company | Country | |
|---|---|---|
| M-Files Oy | Finland | |
| M-Technology Oy | Finland | |
| Maakone / JT-Plant Oy | Finland | |
| Maanomistajien Arviointikeskus Oy | Finland | |
| Maanrakennus Jokinen Oy | Finland | |
| Machinery Oy | Finland | |
| Maint-Time Oy | Finland | |
| Maki Service Engineering Oy | Finland | |
| Masinotek Oy | Finland | |
| Master Builders Solutions Finland Oy | Finland | |
| Mastercom Oy | Finland | |
| Maxion Oy | Finland | |
| Meltex | Finland | |
| Mentura Group Oy | Finland | |
| Merdec Oy | Finland | |
| Metec Oy | Finland | |
| Metener Oy | Finland | |
| Mikkelin kehitysyhtiö Miksei Oy | Finland | |
| Millog-yhtiöt | Finland | |
| Mipro Oy | Finland | |
| Mitta Oy | Finland | |
| MRC Global (Finland) Oy | Finland |
