This is a combined synopsis/solicitation for a firm-fixed-price, sole-source purchase order to Rees Scientific Corporation for preventative and corrective maintenance of its temperature monitoring system. The services will be performed at Naval Hospital Jacksonville, Florida, and its associated branch health and veterinary clinics in Jacksonville, FL; Key West, FL; and Albany, GA. The period of performance includes a base year from 15 May 2026 to 14 May 2027, with four 12-month option periods and one potential 6-month extension. The contract line items show a structure for a base period and multiple option periods, but no specific budget amounts are filled in. The notice is issued as a Request for Quote, and while it is a sole-source intent, the government will consider all quotes received.