The Department of Health and Human Services, through the National Institute of Allergy and Infectious Diseases (NIAID), is seeking a contractor to provide a service contract for the maintenance of Leica Imaging Platforms utilized by the Laboratory of Immune System Biology (LISB). The objective of this procurement is to ensure optimal operational conditions for 14 advanced microscopy instruments, which are critical for research in immunology and infectious diseases, through preventive maintenance, remedial repairs, and prompt onsite responses by factory-trained engineers. The contract will span a base period from May 1, 2025, to March 31, 2026, with four additional option periods extending through March 31, 2030. Interested vendors must submit their quotes by 3:00 PM EST on April 24, 2025, to Kathy Song at kathy.song@nih.gov, and are encouraged to address any questions by April 18, 2025.