| Ernsts Express Aktiebolag CVR 5560398231 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| m4 Fastigheter AB CVR 5560924465 | ManagementChief Executive Officer | Siden 2022 | — | Aktiv |
| m4 Utveckling AB CVR 5561213025 | ManagementChief Executive Officer | Siden 2022 | — | Aktiv |
| Steingruber Transport Aktiebolag CVR 5564388071 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| m4 Ballast AB CVR 5564523412 | ManagementChief Executive Officer | Siden 2022 | — | Aktiv |
| CEAB i Avesta Aktiebolag CVR 5565758785 | BoardBoard of Directors | Siden 2021 | — | Aktiv |
| Ernex Fastighets AB CVR 5566603675 | BoardBoard of Directors | Siden 2021 | — | Aktiv |
| m4 gruppen Aktiebolag CVR 5567878318 | ManagementChief Executive Officer | Siden 2022 | — | Aktiv |
| m4 Delägare AB CVR 5567970586 | ManagementChief Executive Officer | Siden 2022 | — | Aktiv |
| m4 Löparängen AB CVR 5593739898 | ManagementChief Executive Officer | Siden 2025 | — | Aktiv |
