The Department of Defense, specifically the Naval Research Laboratory, intends to award a sole source purchase order for maintenance services related to chillers, transformers, and compressors. The procurement aims to secure maintenance and service directly from the manufacturer, FEI Company, to ensure the continued operation of the NEXSA XPS system, as only the manufacturer can provide the necessary qualified technical support. This opportunity falls under the NAICS code 811210 and utilizes Simplified Acquisition Procedures in accordance with FAR Part 13.106-1(b), with a purchase threshold not exceeding $250,000. Interested parties may express their capabilities and interest by contacting Teigh Cheyney at tahesha.cheyney@nrl.navy.mil or by phone at 202-875-0000, referencing Notice of Intent number N0017325Q-1301234702.