Ability to add two subdomain logins with same or different login credentials

It appears to me that the following two lines are different.  The go to two different companies.

https://socen.smarthub.coop/Login.html#login (link is external):

https://garkaneenergy.smarthub.coop/Login.html#login (link is external):

this message appears when I try to add the second login to identity safe.