This is a sources sought notice for market research only, not a request for proposals, to identify interested and capable firms for a potential future contract. The requirement is a firm-fixed-price supply purchase for two (2) Flowserve brand HPU cooling pumps for the USACE Portland District’s dredge vessel Essayons. Interested firms must be registered under NAICS code 336611 (Ship Building and Repair) and provide a statement of capability along with business status information. All interested vendors must be actively registered in SAM.gov to be considered for future opportunities. No budget amount or performance timeline is specified, and the work is associated with the Portland District vessel.