Sources Sought NAICS 336611

The Portsmouth Naval Shipyard intends to solicit for the repair and maintenance of the #1 and #2 Ship Service Turbine Generators (SSTGs) Shipboard. Under the authority of FAR 6.301-1 Only One Responsible Source is capable of fulfilling this requirement. Northrop Grumman Marine Systems (NGMS) (Cage Code: 90099) is the Original Equipment Manufacturer and thus owns the proprietary data, including drawings, equipment, and approved processes required to perform this work. A solicitation will be available on or around 11/25/2025. Justification and approval for sole source will be posted.

Notice ID: c2edc06d767048d6b59f448d8463a8f9 · View on SAM.gov ↗