For more detail about this query, please see http://www.windows-noob.com/forums/index.php?/topic/9069-report-count-of-computers-in-certain-organizational-units/ select ou.ou, count(*) as ‘total’ from (SELECT sys.ResourceID, max(OU.System_OU_Name0) AS ‘OU’ FROM dbo.v_R_System AS sys INNER JOIN dbo.v_RA_System_SystemOUName AS ou ON sys.ResourceID = ou.ResourceID GROUP BY sys.ResourceID) ou group by ou.ou Order by ou.ou