The Department of Defense, through the U.S. Army Corps of Engineers, Philadelphia District, is conducting a Sources Sought Notice (W912BU26RA0R5) to identify qualified small businesses capable of providing Facility Investment Services (FIS) for the 99th Readiness Division, Region 5. The procurement aims to gather market research for preventive and corrective maintenance services, including sustainment, restoration, and modernization of building exteriors, structures, and interior systems such as HVAC, plumbing, and fire protection across Delaware, Maryland, and Eastern Virginia. This initiative is crucial for maintaining operational readiness and ensuring the longevity of facilities, with an anticipated contract duration of five years. Interested offerors must submit their capability statements and relevant past performance information by December 16, 2025, to Tiffany Chisholm at tiffany.z.chisholm@usace.army.mil.