SSN(X) - Sources Sought
Navy and Marine Corps · TEAM SUBMARINE
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 N00135-27-SSNX in this department, oldest first.
- Oct 9, 2026 · this noticeSources Sought
Next steps for this stage
Standard steps for the notice type; not advice about this buyer.
- Answer the notice: this is when the requirement can still be shaped.
- Contact the contracting officer named on the notice.
- Check who won similar work; they are the likely bidders.
What the notice says
PURPOSE: Director, Submarine Programs (DSP), Director, Design and Construction (D,D and C), and the SSN(X) New Attack Submarine Program Office (PMS 351) issue this Sources Sought Notice for market-research and planning purposes only to identify domestic shipyard vendors interested and capable of supporting the Navy as a prime construction yard(s) for the Next-Generation Attack Submarine, currently designated SSN(X). This notice constitutes market research pursuant to FAR Part 10 to baseline current domestic industrial capabilities, identify future capital expenditure requirements, and inform a… (show all)
cquisition strategies for the SSN(X) shipbuilding pipeline. The applicable North American Industry Classification System (NAICS) code assigned to this notice is 336611, Ship Building and Repairing. Achieving these operational goals requires prime construction yards capable of executing complex manufacturing, complete hull fabrication, modular outfitting, precision systems integration, reactor compartment installation, and post-delivery testing. PMS 351 seeks detailed technical insight into candidate shipyards operational capacity, drydock availability, specialized fabrication tooling, and qualified shipbuilding design workforce to determine readiness for a long-duration capital combatant construction program. Interested vendors must demonstrate robust industrial infrastructure capable of supporting large-scale nuclear submarine construction. Critical facility assets include certified graving docks or floating drydocks, heavy module fabrication shops, and gantry crane systems capable of lifting and translating major submarine modules. Qualified respondents must possess established quality management systems, mature non-destructive testing capabilities, and certified welding procedures for high-yield submarine-grade steels, advanced non-ferrous alloys, and specialized acoustic treatment installations. In order for responses to be reviewed, interested vendors should submit the completed assessment attached to this SAM.gov notice. Incomplete questionnaires will not be reviewed. Completed questionnaires (attached to this notice) must be delivered electronically via DoD SAFE (https://safe.apps.mil/my.policy) to the Procuring Contracting Officer (PCO) or Contract Specialist (CS) listed in this notice. This notice will close within seven calendar days of this posting, no later than 1700 Eastern Daylight Time. In order for an interested vendor to use the DoD SAFE portal, please submit a request to the PCO and CS via email for a secure link for drop off. NOTE: this request must be submitted before the closure of this notice to be reviewed. Submission information must remain unclassified. The Government may follow-up with vendors that are determined by the Government to be capable of supporting potential requirements of this Program. DISCLOSURE: This sources sought notice shall not be construed as a commitment by the Government to solicit offers or award contracts. There is no solicitation at this time. This request for capability information does not constitute a request for proposals; submission of any information in response to this market survey is purely voluntary. The Government will not pay for any effort expended or any material provided in response to this announcement, nor will the Government return any data provided. The Government assumes no financial responsibility for any costs incurred. All responsible sources may submit a capability statement which will be reviewed by the agency if received by the closing date of this notice. No telephone inquiries will be accepted. The Government does not commit to providing a response to any comment or questions. No basis for a claim against the Government shall arise because of this announcement.
Who won similar work
364 award notices on SAM.gov in the last 24 months. Match: Same agency (Navy and Marine Corps), same NAICS 336611.
| Winner | Awards | Value | Last |
|---|---|---|---|
| DETYENS SHIPYARDS INC | 15 | $314.8M | Jun 16, 2026 |
| ELECTRIC BOAT CORPORATION · $GD | 13 | $52.1B | Sep 30, 2026 |
| Alabama Shipyard LLC | 11 | $215.3M | Jul 1, 2026 |
| VIGOR MARINE LLC | 9 | $928.1M | Apr 20, 2026 |
| METRO MACHINE CORP. · $GD | 7 | $1.9B | Apr 14, 2026 |
| PLATYPUS MARINE INC | 7 | $10.3M + 1 shared | Sep 30, 2026 |
| FAIRBANKS MORSE, LLC | 7 | $3.2M | Sep 22, 2026 |
| JERED LLC | 7 | $2.6M | Apr 29, 2026 |
| EAST COAST REPAIR & FABRICATION, LLC | 6 | $4.0B | Sep 17, 2025 |
| DELPHINUS ENGINEERING, INC. | 6 | $3.8B + 1 shared | Aug 20, 2026 |
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, 2026IMIA, LLC$139KPreparation and Preservation in Potable Water Tank Onboard Submarine
- Oct 8, 2026BAE SYSTEMS MARITIME SOLUTIONS JACKSONVILLE LLC$106.8MUSS THOMAS HUDNER (DDG 116) FY27 DSRA Award Notice
- Oct 2, 2026OCEANEERING INTERNATIONAL INC$67.4MSROMC Modification Award
- Oct 1, 2026MATERIALS ENGINEERING AND TECHNICAL SUPPORT SERVICES CORP.$569KHydraulic Oil Offload (4500G of 2190-S & 500G of 2075 TH) & Onload
- Oct 1, 2026GOODRICH CORPORATION$744KGoodrich Advanced Propulsor Bearings
- 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 30, 2026PLATYPUS MARINE INC$1.7MMaintenance and Repair of SWFPAC 33HS-64PB-78PB
- Sep 30, 2026COASTAL ENGINEERING LLC$30KCOMPOSITE MARINE CAMEL CLEANING AND STRUCTURAL INSPECTION SERVICES
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 (21 filings)
- 0 of their lobbyists list a past Navy, Dept of or U.S. Marines job
- $399K 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.
- 1 of the past winners are listed companies
- 0 insider buys and 4 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.