PsGetsid allows you to translate SIDs to their display name and vice versa. It works on builtin accounts, domain accounts, and local accounts.
http://technet.microsoft.com/en-us/sysinternals/bb897417.aspx
e.g. Scan the SID of list of machine
>psgetsid.exe @test.txt
**************************************************************
“test.txt”
machine1
machine2
machine3
**************************************************************
