The U.S. Army Corps of Engineers, Detroit District, is conducting market research to identify businesses capable of supplying and delivering stone to the USACE Detroit Project Office. The work involves supplying an estimated 1.5 tons of stone, ranging from 8 to 36 inches in diameter, with a potential additional 1,475 tons as options. Performance of services will be at 6309 W Jefferson Ave, Detroit, MI 48209. Responses to this sources sought notice are due by 2:00 PM Eastern Time on June 9, 2026. Based on responses, the requirement may be set aside for small businesses or procured through full and open competition.