The United States Army Corps of Engineers (USACE) - Rock Island District is seeking to procure the overhaul of two Reintjes Marine Reduction Gear Transmissions for the Motor Vessel associated with the Mississippi River Project Office. This procurement will be conducted on a sole source basis with Karl Senner LLC, as only one source is deemed reasonably available for the required performance specifications. The selected contractor will be responsible for providing parts and labor for the major overhaul of the specified transmissions, which are critical for the operational efficiency of the vessel. Interested firms that believe they can meet the requirements are invited to submit a capability statement to the Contract Specialist, Carrie Holub, by December 10, 2025, at 2 PM Central Time. For further inquiries, Carrie Holub can be reached via email at carrie.l.holub@usace.army.mil or by phone at 309-794-5667.