NASA/NSSC intends to issue a sole source contract to HOTTINGER BRUEL & KJAER INC. for HBK Software Maintenance, as they are determined to be the sole provider. Performance will be located at NASA/Marshall Space Flight Center (MSFC). Interested organizations may submit their capabilities and qualifications in writing by 3:00 p.m. Central Standard Time on 7/13/2026 for consideration of a competitive procurement. No budget amount is specified in the description. This is a commercial item acquisition under FAR Part 12.