The Department of Defense, specifically the Department of the Army through the W07V Endist St Louis office, is seeking sources for the Lock Foundation and Site Preparation for the Lock and Dam 25 Navigation Ecosystem Sustainability Program (NESP). This procurement aims to facilitate the construction of non-building facilities, focusing on enhancing navigation and ecosystem sustainability in the region. The project is categorized under the NAICS code 237990, which pertains to Other Heavy and Civil Engineering Construction, highlighting its significance in supporting infrastructure and environmental initiatives. Interested parties can reach out to Whitney Dee at whitney.r.dee@usace.army.mil or call 314-331-8621 for further details, while Tracy Tenholder is also available at tracy.n.tenholder@usace.army.mil or 314-331-8257 for additional inquiries.