Diving Support Vehicle
Preventive maintenance, safety inspections, and repairs
- Agency
- U.S. Navy — Southwest Regional Maintenance Center (SWRMC)
- Role
- Prime
- PIID
- N5523626P0030
- Awarded
- March 2026
Primes & Government
Ship repair & fabrication for primes and federal agencies.
A San Diego small business and an active prime to the U.S. Navy's Southwest Regional Maintenance Center. Our identifiers, codes, past performance, and a one-page capability statement — what your subcontracts team needs to vet us, in one place.
- Contracts [email protected]
- Phone +1 619-990-2250
- Printable capability statement
At a glance
- Legal name
- Nautilus Industrial Marine
- UEI
- ZU8BSN2J2GD3
- CAGE code
- 9RZ41
- Primary NAICS
- 336611Ship Building and Repairing
- Other NAICS
- 333519Rolling Mill and Other Metalworking Machinery Manufacturing
- 333992Welding and Soldering Equipment Manufacturing
- PSC
- J999Non-Nuclear Ship Repair (West)
- Size & socioeconomic
- Small Business
- Self-Certified Small Disadvantaged Business (SDB)
- Minority-Owned Business
- Hispanic American-Owned Business
Core competencies
The trades we bring to your team.
Metal Fabrication
In-shop and shipboard fabrication of components and assemblies, from one-off repair parts to production runs.
Structural Steel Manufacturing
Design-assist, cutting, forming, and erection of structural steel for marine and industrial applications.
Qualified Welding
SMAW, FCAW, GMAW, GTAW, and GTAW pipe — performed by welders qualified to NAVSEA procedures, in the shop or aboard ship.
Pipefitting
Shipboard piping repair, renewal, and new installation across hydraulic, seawater, and auxiliary systems.
Electrical & Cable Pulling
Shipboard electrical work and cable pulling supporting modernization and repair availabilities.
Watertight Doors & Hatches
Fabrication, repair, and certification support for watertight doors, hatches, and closures.
Machinery Services
Machinery repair and overhaul delivered through our vetted machining partner.
Repair Availabilities
Shipboard work in support of Navy repair availabilities.
Past performance
Contract record and selected work.
Government contracts
Citywide welding services
As-needed welding, including stop logs and catwalks at the South Bay Water Reclamation Plant
- Agency
- City of San Diego
- Role
- Prime
- Contract
- C2622
- Awarded
- February 2025
Selected projects
- U.S. NavyUSS Higgins (DDG 76)Shipboard welding aloft and a fabricated gyro cable clamp for the ship's force.
- Columbia UniversityR/V Marcus G. LangsethFabrication, repair, and class work for Columbia University's ocean-research ship since 2018.
- CommercialSan Diego SEAL ToursFitting, fabrication, mechanical work, and refurbishing of an amphibious fleet.
- City of VistaThe Wave Water ParkRepair and refurbishment of railings and structural components.
Why primes team with us
What your team gets with Nautilus.
Counts toward your subcontracting goals
A small business, self-certified Small Disadvantaged Business (SDB), and minority-owned per our SAM.gov registration — work subcontracted to us can count toward your small-business subcontracting goals.
Welders qualified to NAVSEA procedures
Our welders are qualified to NAVSEA procedures across SMAW, FCAW, GMAW, GTAW, and GTAW pipe — in the shop or aboard ship.
An active government prime
We hold prime contracts with the Navy's Southwest Regional Maintenance Center (SWRMC), for service and repair of a Diving Support Vehicle, and with the City of San Diego, for citywide welding services.
In the shop and on the waterfront
In-shop fabrication at our Chula Vista shop on San Diego's South Bay, plus shipboard and dockside work around San Diego Bay.
A crew that has stayed together
Our core crew has worked together since the mid-2000s, aboard research and Navy vessels on both U.S. coasts, in Hawaiʻi, and in Guam.
Repair availabilities
Shipboard work in support of Navy repair availabilities.
Evaluating us for a scope? Request our welding procedure and qualification list from [email protected].
FAQ
Questions primes and contracting officers ask.
What NAICS codes is Nautilus registered under?
Our primary NAICS code is 336611 (Ship Building and Repairing). We are also registered under 333519 (Rolling Mill and Other Metalworking Machinery Manufacturing) and 333992 (Welding and Soldering Equipment Manufacturing). Our product service code (PSC) is J999 — Non-Nuclear Ship Repair (West).
Is Nautilus a small business?
Yes. We are small under the SBA size standard for every NAICS code we're registered under, and our SAM.gov registration lists: Small Business, Self-Certified Small Disadvantaged Business (SDB), Minority-Owned Business, and Hispanic American-Owned Business. Work subcontracted to us can count toward a prime's small-business subcontracting goals.
What are Nautilus's UEI and CAGE code?
UEI ZU8BSN2J2GD3 and CAGE 9RZ41. Both are on our public SAM.gov entity registration, where you can verify our current registration status.
Does Nautilus hold a prime contract with the Navy?
Yes. Nautilus holds a prime contract with the U.S. Navy's Southwest Regional Maintenance Center (SWRMC) for preventive maintenance, safety inspections, and repairs of a Diving Support Vehicle (PIID N5523626P0030, awarded March 2026).
Where does Nautilus perform work?
Our fabrication shop is at 2822 Main St, Ste A, Chula Vista, CA 91911, on San Diego's South Bay. We work shipboard and dockside around San Diego Bay, and send a crew to the ship when it can't come to us — most recently to R/V Marcus G. Langseth in Newport, Oregon. Our core crew has worked aboard research and Navy vessels on both U.S. coasts, in Hawaiʻi, and in Guam.
What welding processes do your welders use?
Our welders are qualified to NAVSEA procedures across SMAW, FCAW, GMAW, GTAW, and GTAW pipe. Primes can request our procedure and qualification list from [email protected].
Who do I contact about teaming or an RFP?
Email our contracts desk at [email protected] or call +1 619-990-2250. Our one-page capability statement can be downloaded from this page.
Teaming & RFPs
Have a solicitation or a scope to team on?
Send the RFP, statement of work, or work package to our contracts desk.
UEI ZU8BSN2J2GD3 · CAGE 9RZ41 · NAICS 336611