This is a Sources Sought notice for market research, not an active solicitation for bids. The National Institute of Standards and Technology (NIST) is seeking information from vendors capable of providing a vector network analyzer. The agency is specifically interested in identifying firms, especially small businesses, that manufacture this product in the United States. No budget, performance location, or solicitation timeline is provided. Interested companies should submit a capability statement of four pages or less to the specified email address.