TES Tank Manufacturer Shortlist: What to Audit Before You Buy This article is the generic version of the manufacturer audit: if you are shortlisting any TES tank manufacturer, what do you check regardless of application? It is the broad checklist that the ASME and data-center specific articles then narrow. Use it to build a vendor long-list before you specialize. To shortlist a TES tank manufacturer, audit the universal criteria first: demonstrated tank scale, coating and