The National Institute of Standards and Technology (NIST) is conducting market research to identify potential sources for a new hysteresisgraph to characterize permanent magnets at high magnetic fields and temperatures, supporting the development of standard reference materials for magnetic measurements. This sources sought notice is not a solicitation, and NIST will not pay for any information submitted voluntarily. Respondents are asked to provide company details, feedback on draft specifications, product information, standard commercial pricing, and regulatory compliance information. No budget amount is specified, and no location for performance is indicated in the notice. Responses are due by the date specified in the full announcement, but no contract will be awarded based on this notice.