This is a sources sought notice for market research to identify qualified small businesses capable of providing heat exchanger manufacturing services. The government is not obligated to award a contract, and no funds are available to pay for response preparation. Interested parties must submit company information, business size and socioeconomic status, and a brief description of relevant capabilities to Amanda Huddleston via email. Submissions must not exceed five pages and should not include proprietary or confidential information. No specific timelines, budget amounts, or performance location are mentioned.