The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking to award a one-year service contract for the maintenance of Zeiss Sigma and 3View microscopes. This contract will be a sole source agreement with Carl Zeiss Microscopy LLC, focusing on essential services such as preventative maintenance inspections, labor and travel for service visits, covered replacement parts, and software upgrades. The microscopes play a critical role in various NIH research projects, particularly in studying the three-dimensional structures of different cell types, making this maintenance vital for ongoing research efforts. Interested vendors must submit their expressions of interest by January 24, 2024, and can contact Brittany N. May at brittany.may@nih.gov or +1 301 594 4009 for further details.