This is a sources sought notice from NIST for market research to identify suppliers of a specialized glove box for producing ultrapure water (UPW0) for semiconductor manufacturing. The glove box must meet specific technical specifications, including controlled atmosphere capabilities, feedthroughs, and monitoring features, to enable contaminant reduction to parts-per-trillion or quadrillion levels. Interested parties must submit a capability statement by May 29, 2026, addressing company details, business size, relevant experience, and whether the product is U.S.-manufactured. No budget information is provided, and the location for performance is not specified. Responses are voluntary, and no solicitation currently exists.