This sources sought notice is for market research to identify American-made, Buy American Act-compliant suppliers of valves for hydronic heating/chilled-water and steam systems; it is not a solicitation and no contract will be awarded. Products sought include ductile iron butterfly valves in 2.5–5 inch sizes, cast steel globe valves in 3 inch, cast steel gate valves in 2.5–4 inch, and cast steel swing check valves in 4–5 inch. Interested suppliers and manufacturers of domestic construction materials should provide company name, address, point of contact with phone number, product data, and place of manufacture. Responses are requested by email to Brian.Rosciszewski@VA.gov, and the government will not pay costs for responding.