Sort requesters by relationship?

Sort requesters by relationship?

Hi,

I'm trying to get our inventory up-to-date (for the first time ever) and I was wondering if there was a way to sort our requesters by not in a relationship? (Or maybe create a report) I'm trying to find computers that are not sync'd to our ManageEngine by finding requesters that do not have a workstation assigned to them.

Thanks in advance,
D