The Naval Surface Warfare Center Philadelphia Division intends to sole-source a purchase order to COMSOL, Inc. for annual maintenance of COMSOL Multiphysics Version 6.0 software and add-on modules. An award is planned before the end of fiscal year 2026. COMSOL, Inc. is identified as the only responsible source capable of meeting the Navy’s requirements. Performance location is not specified, and no budget amount is provided. This notice is not a request for competitive quotes, but interested parties may respond to express capability.