Kindly execute the query under Report -> New Query Report to get the list of Service Template Associated to All Accounts.
select sd.name "Service Name", rtl.templatename "Service Template Name", rtl.comments "Template description", rtf.description "Description field" from requesttemplate_list rtl
LEFT JOIN requesttemplate_fields rtf ON rtl.templateid=rtf.templateid
LEFT JOIN ServiceTempAccMapping b ON rtl.TEMPLATEID = b.TEMPLATEID
LEFT JOIN Categorydefinition cd ON rtf.categoryid=cd.categoryid
LEFT JOIN subcategorydefinition scd ON rtf.subcategoryid=scd.subcategoryid
LEFT JOIN itemdefinition id ON rtf.itemid=id.itemid
LEFT JOIN Servicedefinition sd ON rtl.parent_Service=sd.serviceid
where is_catalog_template='true' AND rtl.isdeleted='false' and accountid is NULL order by 1