The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking maintenance support for its existing Sonnet software licenses, with the intent to issue a Sole Source Award to Sonnet Software, Inc. This procurement aims to ensure continued support, security upgrades, and technical assistance for the Sonnet platform, which is critical for NIST researchers across various laboratories. The maintenance of this software is essential to avoid significant costs and operational disruptions associated with transitioning to alternative products. Interested parties should direct their responses and inquiries to Prateema E. Carvajal at prateema.carvajal@nist.gov by December 6, 2025, to participate in this market research process.