You can assign a name to the current selection, and then later reselect those objects by choosing their selection name from a list.

Named Selection Sets
You can also edit the contents of named sets from the Named Selection Sets dialog.
As you model and create a scene, you’re likely to rearrange the objects making up your named selection sets. If you do, you’ll need to edit the contents of those sets.
To assign a name to a selection set:
You can now select another combination of objects or sub-objects and repeat the process to create another named selection set.
To retrieve a named selection set:
On the main toolbar, click Edit Named Selection Sets to open the Named Selection Sets dialog.