The U.S. Department of Energy's National Energy Technology Laboratory is conducting market research to identify contractors capable of manufacturing a Wet Closed Circuit Milling Plant System and an F.C. Bond Ball Mill System. This is a sources sought notice for planning purposes only and is not a request for proposals or a commitment to award a contract. The purpose is to gauge interest and gather capability statements from potential manufacturers. Responses are required by 3:00 PM Eastern Standard Time on February 19, 2026. The systems are needed for NETL's laboratories to support research on critical mineral recovery through feedstock comminution.