Edit: The document pasted down , says OU or Container, If you dont see it then only OU would sync
@Niklas
Select the Mycompany in SEPM
at the bottom there is a task called Import Organizational Unit or Container
click on that, Do you see your containers now?
All the details are in this document
https://support.symantec.com/en_US/article.TECH181458.html