The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking qualified small businesses to provide maintenance services for Mass Spectrometers and associated components utilized by the National Institute on Aging (NIA). The procurement aims to ensure the proper functioning of critical instruments, including the Q Exactive HF and Orbitrap Eclipse Tribid, which are essential for ongoing research in discovery proteomics and aging studies. Interested vendors must submit a capability statement detailing their qualifications, including employee numbers and relevant experience, by January 17, 2025, at 5:00 PM EST, to Iris Merscher at iris.merscher@nih.gov. This notice is a Sources Sought announcement and does not constitute a solicitation for proposals.