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NAICS Code· 336611

NAICS 336611: Ship Building and Repairing

This U.S. industry comprises establishments primarily engaged in operating shipyards. Shipyards are fixed facilities with drydocks and fabrication equipment capable of building a ship, defined as watercraft typically suitable or intended for other than personal or recreational use. Activities of shipyards include the construction of ships, their repair, conversion and alteration, the production of prefabricated ship and barge sections, and specialized services, such as ship scaling. Illustrative Examples: Barge building Cargo ship building Drilling and production platforms, floating, oil and gas, building Passenger ship building Submarine building Yachts built in shipyards Cross-References. Establishments primarily engaged in--Show more

NAICS 336611 – Ship Building and Repairing encompasses the design, construction, renovation, maintenance, and overhaul of naval vessels, commercial ships, and specialized maritime platforms, including hull fabrication, propulsion system integration, electrical and command systems installation, and corrosion control. This sector supports critical national defense and homeland security infrastructure, with work ranging from new-build warships to mid-life upgrades of Coast Guard cutters and auxiliary vessels.

212
Active Contracts
$17.1B
Total Obligations (12mo)
4.7K
Awarded Contracts (12mo)
1.4K
Contractors Awarded (12mo)
2
Median Bidders per Award
-31.3%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 336611Ship Building and Repairing.

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NAICS 336611 FAQ

Frequently Asked Questions

NAICS code 336611 covers Ship Building and Repairing. This U.S. industry comprises establishments primarily engaged in operating shipyards. Shipyards are fixed facilities with drydocks and fabrication equipment capable of building a ship, defined as watercraft typically suitable or intended for other than personal or recreational use. Activities of shipyards include the construction of ships, their repair, conversion and alteration, the production of prefabricated ship and barge sections, and specialized services, such as ship scaling. Illustrative Examples: Barge building Cargo ship building Drilling and production platforms, floating, oil and gas, building Passenger ship building Submarine building Yachts built in shipyards Cross-References. Establishments primarily engaged in--

Recently Posted in Ship Building and Repairing

NAICS: 336611
Closed
Federal
Yaquina Overhaul FY27
Solicitation # W9127N26BA029_
The U.S. Army Corps of Engineers, Portland District, is soliciting bids for a firm fixed price job order under an existing Master Ship and Repair Agreement to perform overhaul, maintenance, and repair work on the Dredge ESSAYONS, a 350-foot trailing arm suction hopper dredge built in 1984. All work must be completed at the bidder’s facility, with the Government responsible for delivering the vessel to the contractor and retrieving it upon completion. Successful bidders must have an active MSRA with the Portland District prior to award and are required to attend one of the scheduled site visits in July or August 2026 at either Astoria or Westport, Oregon, to be deemed eligible. Attendees must provide their own PPE compliant with EM 385-1 standards, and access to some locations may require a TWIC card. The Dredge will undergo critical inspections during this availability, including a Drydock Examination, Internal Structural Review, Annual Inspection, and renewal of the U.S. Coast Guard Certificate of Inspection, alongside endorsement of the ABS International Load Line Certificate. Bids must be submitted electronically via email to both point of contact individuals by August 17, 2026, at 2:00 PM Pacific Time, and must include the solicitation number W9127N26BA027 along with confirmation of bid validity for 90 days. No paper copies of the invitation for bid are available, and all submissions must follow the instructions outlined in the SF-33 form. The NAICS code for this procurement is 336611, and no set-aside is in effect. Contractors must be capable of meeting all technical and safety requirements for the overhaul, including passing dock and sea trials conducted by USACE personnel prior to vessel acceptance. Prospective bidders without an existing MSRA must contact Ian Lutjens to initiate the agreement process before bidding. The vessel’s specifications include a 68-foot molded beam, 108-foot overall beam with drag arms lowered, and a gross tonnage of 7,248 long tons, emphasizing the scale and complexity of the required repair work.
W071 Endist Portland

POSTED

1 day ago

CLOSED

7 days ago
View Details
NAICS: 336611
New
Federal
SUBSAFE MAC IDIQ
Solicitation # N64498-25-RFPREQ-PD-24-0031
The Naval Surface Warfare Center, Philadelphia Division is preparing to issue a multiple award, cost-plus-fixed-fee contract to support submarine maintenance activities, specifically focusing on SUBSAFE, Level I, and Non-SUBSAFE work during various submarine availabilities. The contract aims to provide services under a Level of Effort structure, with the work aligned to support Code 242, and will be executed in accordance with a draft Statement of Work and Level of Effort documentation. The procurement is expected to fall under NAICS codes 541330 or 336611, though the final classification is yet to be determined. The contract will be a broad effort, potentially involving multiple awardees, and is part of the Department of the Navy’s ongoing efforts to maintain submarine safety and operational readiness. The solicitation was posted on September 19, 2025, with responses due by October 6, 2025. Interested parties can find more details and submit inquiries through the provided contact points, including Nicole Dibarolomeo and Heather Rhoads, based in the Navy’s Philadelphia office. The work is anticipated to be performed primarily in Norfolk, Virginia, with the overarching goal of ensuring submarine safety and maintenance efficiency in support of Navy operations. Further information and updates are accessible via the official SAM.gov link.
Nswc Philadelphia Division

POSTED

1 day ago

DEADLINE

in 14 days
View Details

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