Ship Service Turbine Generator (SSTG) Enterprise Contract
NAVSEA, naval shipyards and surface/undersea warfare centers · NAVSEA HQ
Capture briefs (a one-page, shareable copy of this page) are part of Pro. The CSV here holds the notice, its timeline and past awards.
Where this opportunity stands
Every notice posted under solicitation N00024-26-D-4314 in this department, oldest first.
- Sep 4, 2026 · this noticeAward NoticeNORTHROP GRUMMAN SYSTEMS CORPORATION · $253.3M
- Sep 4, 2026Justification (Sole Source)Open
Next steps for this stage
Standard steps for the notice type; not advice about this buyer.
- Note the winner and the end of the period of performance for the recompete.
- Follow the agency to see the next notice for this work.
What the notice says
Northrop Grumman Systems Corporation-Marine Systems, Sunnyvale, California, was awarded a $111,354,038 firm-fixed-price and cost-only, indefinite-delivery/indefinite-quantity contract for the Ship Service Turbine Generator (SSTG) maintenance, overhaul, repair, and long-lead time material in support of the in-service VIRGINIA Class nuclear-powered attack submarine fleet. This contract includes options which, if exercised, would bring the cumulative value to $253,293,127. This contract was not awarded competitively.
Who won similar work
101 award notices on SAM.gov in the last 24 months. Match: Same office, same NAICS 336611.
| Winner | Awards | Value | Last |
|---|---|---|---|
| ELECTRIC BOAT CORPORATION · $GD | 13 | $52.1B | Sep 30, 2026 |
| HUNTINGTON INGALLS INCORPORATED · $HII | 6 | $2.0B | Sep 9, 2026 |
| METRO MACHINE CORP. · $GD | 5 | $1.9B | Apr 14, 2026 |
| BAE SYSTEMS SAN DIEGO SHIP REPAIR INC. | 4 | $2.9B | Apr 10, 2026 |
| NATIONAL STEEL AND SHIPBUILDING COMPANY · $GD | 4 | $2.9B | Mar 20, 2026 |
| BAE SYSTEMS NORFOLK SHIP REPAIR INC. | 4 | $1.1B | Nov 4, 2025 |
| VIGOR MARINE LLC | 4 | $670.7M | Apr 20, 2026 |
| CONTINENTAL MARITIME OF SAN DIEGO, LLC | 3 | $1.9B | Aug 11, 2025 |
| EAST COAST REPAIR & FABRICATION, LLC | 2 | $3.6B | Sep 3, 2025 |
| DELPHINUS ENGINEERING, INC. | 2 | $3.6B | Sep 3, 2025 |
Value counts single-winner awards. "Shared" awards are multiple-award contracts that list every winner with the same total ceiling; that ceiling is not one company's win, so it is not added in.
- Oct 8, 2026BAE SYSTEMS MARITIME SOLUTIONS JACKSONVILLE LLC$106.8MUSS THOMAS HUDNER (DDG 116) FY27 DSRA Award Notice
- Sep 30, 2026ELECTRIC BOAT CORPORATION$99.3MPost Award Synopsis VIRGINIA Class Materials BOA Order (FY26)
- Sep 30, 2026ELECTRIC BOAT CORPORATION$79.5MPost Award Synopsis VIRGINIA Class Materials BOA Order (FY26)
- Sep 30, 2026ELECTRIC BOAT CORPORATION$60.7MPost Award Synopsis VIRGINIA Class Materials BOA Order (FY26) Sep 30,
- Sep 9, 2026HUNTINGTON INGALLS INCORPORATED$742.8MLittoral Combat Ship Planning Yard Support Award
- Aug 19, 2026WALASHEK INDUSTRIAL & MARINE, INC.$62.4MN0002426C4434 Contract Modification - Boilers Repair and Maintenance for LHDs
- Aug 13, 2026MARINE HYDRAULICS INTERNATIONAL, LLC$143.7MUSS SAN ANTONIO (LPD 17) FY27 Selected Restricted Availability (SRA)
- Aug 11, 2026BAE SYSTEMS MARITIME SOLUTIONS SAN DIEGO INC.$180.0MUSS BOXER (LHD 4) FY27 Selected Restricted Availability (SRA) Request for Proposal (RFP)
- Jul 30, 2026ELECTRIC BOAT CORPORATION$29.8BColumbia Class Ballistic Missile Submarines SSBN 828 through SSBN 832 (Build II)
- Jul 13, 2026TOTE SERVICES, LLC$2.6BMedium Landing Ship (LSM) Vessel Construction Manager (VCM) Solicitation # N00024-26-R-2421
Competitive landscape
For the 8 most frequent past winners above. Lobbying is matched by the company's exact name or exact ticker; agencies are as named on the filings.
- 2 of these past winners lobbied Navy, Dept of or U.S. Marines since 2024 (20 filings)
- 0 of their lobbyists list a past Navy, Dept of or U.S. Marines job
- $597K from their corporate PACs since 2024 to members of House Committee on Appropriations, House Committee on Armed Services, Senate Committee on Appropriations, Senate Committee on Armed Services
- 0 foreign-agent (FARA) registrations
Policy around it
Bills the past winners named while lobbying this agency's issues, rules from the department, and executive orders that name the agency, last 12 months.
- 8 bills named on the past winners' lobbying filings
- 32 rules from the department in the last 12 months
- 0 executive orders naming the agency in the last 12 months
Market
For past winners matched exactly to a listed company. Insider trades are open-market buys and sells (Form 4) in the last 90 days, shown as facts; our own study found insiders do not reliably buy ahead of awards.
- 2 of the past winners are listed companies
- 0 insider buys and 5 insider sells at them in the last 90 days
Sources: SAM.gov notices and award notices; Senate LDA lobbying filings; FEC filings; FARA; Federal Register; congress.gov; SEC Form 4. Every row above links to its record.
Companies are matched to tickers by exact name only. A company we could not match shows no market rows; that is a miss, not a finding.