This is a sources sought notice for market research purposes only, not a solicitation for bids or proposals. The government anticipates a firm-fixed-price contract with a 12-month base period and one 12-month option year for radiopharmaceuticals and cold kits. The applicable NAICS code is 325412, and interested vendors must submit capability statements and company information by the specified closing time. Responses must be emailed to the designated point of contact with a specific subject line format. No budget amount or performance location is specified in this notice.