The Southwest Regional Maintenance Center (SWRMC) is conducting market research to determine industry capability and small business interest for an LSD Class ship HVAC upgrade project. The work involves upgrading the HVAC system on board an LSD Class ship, and the performance location is the NAVSEA Southwest Regional Maintenance Center in San Diego, CA. Interested companies must submit a signed notice of interest on company letterhead, limited to five pages, describing their company and capability to perform the upgrade, including their business size classification. The notice must be emailed to the specified Contracting Officer and Contract Specialist. No budget, bid deadlines, or solicitation timelines are mentioned in this preliminary sources sought announcement.