Thanks, Cyreli for giving me something to start with. When I ran your code, I did not get any entries for the Administrators, which was all I needed. A few tweaks & I got what I wanted. (Very cool learning about how to tab the output). All I need to do is to read in a list of servers & I can produce a report for the corporate level.
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$server="SERVER1","SERVER2"
$server | % {
$server = $_
$server
$GMembers = $Null
$LocalGroup = [ADSI]"WinNT://$server.<domain>.com/Administrators,group"
$GMembers = $LocalGroup.psbase.invoke("Members")
$GMembers | ForEach { $us = $_.GetType().InvokeMember("Adspath",'GetProperty', $null, $_, $null)
$us = $us -replace "WinNT://",""
$list += new-object psobject -property @{Server=$server}
"`t $us"}
}