The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking a service contract for the repair and preventative maintenance of government-owned Meso Scale Discovery (MSD) Sector S 600 Plate readers. The procurement aims to ensure continuous operation of these critical laboratory instruments, which are essential for conducting research on infectious diseases, including HIV and Ebola, by supporting the Vaccine Immunology Program (VIP). The contract will be awarded on a sole-source basis to Meso Scale Diagnostics LLC, with a performance period from May 30, 2025, to May 29, 2026. Interested parties may submit capability statements to Danielle Tines at danielle.tines@nih.gov by May 27, 2025, for consideration, although this is not a solicitation for competitive quotations.