Three long-standing metal industry enterprises in Eastern Finland came together under the same name to form the EFM conglomerate conglomerate. In the autumn of 2021, the long-standing joint cooperation on various clients' and projects' behalf was distilled into an ownership structure. The new parent business was given the name EFM Group Oy.

The subsidiaries of EFM Group include:

Oy Viimet

Oy KKR Steel

CNC-Machining Joensuu Oy