Puget Sound Naval Shipyard and Intermediate Maintenance Facility (PSNS&IMF) is issuing a sources sought/RFI for market research on HVAC Senior Engineering Services, restricted to SeaPort-NxG Multiple Award IDIQ prime MAC holders. The information gathered will be used for planning purposes and to assess whether the requirement can be set aside for small business concerns. Performance would be at PSNS&IMF. This is not a solicitation and does not commit the government to award a contract. Interested parties should monitor SAM.gov for any future solicitation.