The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking contractors for the shipping of donor screening samples. This procurement aims to ensure the safe and efficient transportation of biological samples, which are critical for various health research and testing purposes. The services required fall under the NAICS code 541380, indicating a focus on testing laboratories and services, and the work will be performed in Bethesda, Maryland. Interested parties can reach out to Shasheshe Goolsby at shasheshe.goolsby@nih.gov or by phone at 301-827-4879 for further details regarding this presolicitation opportunity.