The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking a contractor to provide a Renewal Maintenance Service Agreement for Becton Dickinson (BD) flow cytometers, which are critical for the Laboratory of Immune System Biology's research on immune function and pathogen response. The agreement includes essential services such as two preventive maintenance inspections, unlimited service visits by original equipment manufacturer (OEM) technicians, and 48-hour emergency support, all adhering to Biosafety Level 2 standards. This maintenance is vital for ensuring the operational integrity of high-end flow cytometry systems used in daily experiments, thereby supporting ongoing immunology research. The period of performance for this contract is from April 1, 2024, to March 31, 2025, and interested parties can contact Linda Smith at linda.smith2@nih.gov or Kathy Song at kathy.song@nih.gov for further information.