The U.S. Army Corps of Engineers, Louisville District, is conducting a Sources Sought Notice for market research only to identify qualified and interested businesses capable of providing HVAC services at Olmsted Lock and Dam, 634 New Dam Road, Olmsted, IL 62970. This is not a solicitation, and no contract will be awarded from this notice. The effort is anticipated to use NAICS Code 238220, with a $19M size standard, an estimated 5-year period of performance, and an estimated Blanket Purchase Agreement (BPA) contract type. Responses will help determine the acquisition strategy and are encouraged from small businesses, including 8(a), HUBZone, SDVOSB, and WOSB concerns. If a solicitation is released, it will be synopsized in SAM.