The Department of Health and Human Services, specifically the National Institutes of Health (NIH) through its National Institute of Allergy and Infectious Diseases (NIAID), intends to negotiate a one-year service agreement for two BD Biosciences Symphony S6 and FACSTATION equipment. This procurement aims to secure maintenance services for critical laboratory flow cytometers and lasers used in HIV and SIV research, which are essential for analyzing immune responses in experimental samples. The service agreement will ensure the operational reliability of the equipment, including preventive maintenance, unlimited service visits, and priority response times, with a performance period from June 1, 2025, to May 31, 2026. Interested vendors must submit their capability statements and relevant documentation by 10:00 AM EST on May 22, 2025, to the designated contacts, Rita Davis and Tonia Alexander, via the NIH electronic submission system.