This is a sources sought notice for total maintenance services at critical facilities located at USAG Humphreys and Camp Yongin. The U.S. Army is conducting market research to identify vendors capable of performing the work described in the draft Performance Work Statement. No budget amount is specified in this notice. No submission timeline is provided, as this is a market research announcement only. The location for performance of services is USAG Humphreys and Camp Yongin.