The National Institutes of Health (NIH) intends to award a Base Plus 4 Option Year Contract to Leica Microsystems Inc. for the maintenance of specific microscopy equipment utilized at the NEI Biological Imaging Core. This contract encompasses comprehensive services including emergency repairs, replacement parts, and software updates, ensuring rapid and reliable service for critical imaging systems essential to NEI scientists' operations. Interested parties who believe they can meet the requirements are encouraged to submit a written capability statement by 9:00 a.m. EST on April 30, 2025, to Andrew Maine at andrew.maine@nih.gov, as the contract is being pursued under a sole source justification due to Leica's unique qualifications and access to specialized components.