Determine SolidWorks edition by serial/license?

I am the IT manager for a small manufacturing company. We have 3 standalone licenses of SolidWorks, and I have registered all of them under my SolidWorks customer portal, but they only specify that they apply to "SolidWorks 2013", they do not specify whether they are Standard, Professional or Premium licenses.

Furthermore one of the engineers here believes that one of the licenses is either Professional or Premium, and is asking me if I can install a higher edition on his system.

How would I go about finding out which edition my licenses are for?

SolidworksAdministration