The Department of Health and Human Services, specifically the Centers for Disease Control and Prevention (CDC), is planning to award a sole source firm fixed price contract for the maintenance of AB Sciex PACE MDQ Plus Capillary Systems. This contract will cover preventative and remedial maintenance, as well as software upgrades, to ensure compliance with the Quality Management System (QMS) requirements within the Biotechnology Core Facility Branch (BCFB). The anticipated period of performance for this contract is from January 17, 2026, to January 16, 2027, with the possibility of four additional one-year option periods. Interested vendors are encouraged to express their interest and capability by submitting proposals to the primary contact, Ronalda Ohio, at uex0@cdc.gov, by 5:00 PM (ET) on December 31, 2025.