This is a market research Sources Sought notice for a replacement Effusion Gallium Cell, not a formal solicitation. NIST is seeking capability statements from vendors to identify potential manufacturers, particularly small businesses, of this product in the United States. Responses must include the country of manufacture and are limited to four pages. The requirement falls under NAICS code 334516, with a small business size standard of 1,000 employees. Capability statements must be submitted via email to the specified Contract Specialist by the deadline in the notice.