This is a Notice of Intent for a sole-source, non-competitive contract with Revvity Health Sciences, Inc. for OEM maintenance and service on Revvity Celigo S imaging instruments, with no substitutions possible. The period of performance is November 15, 2026 through November 14, 2027. The requirement includes unlimited repair travel, labor, and parts; priority response; remote support; and minor hardware/software updates under a firm-fixed-price purchase order, with only one award. The Government plans to award within five days after the notice closes. Responsible qualified sources may submit capability statements for consideration, and the agency will decide whether to conduct a competitive procurement based on responses.