First I would try running that command in segments in my console window, to see if you get any output.
Break it down:
Get-QADUser -SizeLimit 0 -SearchRoot "ou=Ccntr-J,OU=Region Coastal,OU=Central Division,DC=home,DC=com,DC=com"
If you don't get all of the users in the Cost-Center-J OU here...