This is a pre-solicitation notice for boiler maintenance and repair services at Naval Submarine Base New London in Groton, CT. The anticipated contract is a Firm Fixed-Price IDIQ with a 12-month base period and four 12-month option periods, starting around September 2026. Award will be made to the responsible offeror with the Lowest Price Technically Acceptable proposal, evaluated on price, corporate experience, and past performance. The NAICS code is 238220 with a $19 million size standard, and the procurement is unrestricted. Prospective contractors must be registered in the System for Award Management (SAM).