NASA/NSSC intends to issue a sole source contract to CLASSONE EQUIPMENT INC for preventative maintenance service for the deep etching system, as they are determined to be the sole provider. Performance will be located at NASA/Goddard Space Flight Center (GSFC). No budget amount is specified. Interested organizations may submit their capabilities and qualifications in writing by 5:00 p.m. Central Standard Time on 6/23/2026 for consideration of a competitive procurement.