Ship Building and Repairing

Manufacturing › Transportation Equipment Manufacturing › Ship and Boat Building

SBA Size Standard

1,300 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

Sector

Manufacturing

336

Subsector

Transportation Equipment Manufacturing

3366

Industry Group

Ship and Boat Building

336611

National Industry (This Code)

Ship Building and Repairing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual

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

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,300 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 336611

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

→Fabricating structural assemblies or components for ships, or subcontractors engaged in ship painting, joinery, carpentry work, and electrical wiring installation--are classified based on the production process used; and

→Ship repairs performed in floating drydocks--are classified in Industry 488390, Other Support Activities for Water Transportation.

How to Use NAICS 336611 in SAM.gov

NAICS code 336611 — Ship Building and Repairing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Ship and Boat Building space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,300 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 336611.

Frequently Asked Questions

What is NAICS code 336611?

NAICS code 336611 is 'Ship Building and Repairing', classified under the Manufacturing sector (NAICS 33). 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 wat

What is the SBA small business size standard for NAICS code 336611?

The SBA defines a small business under NAICS code 336611 (Ship Building and Repairing) as one with 1,300 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 336611 in SAM.gov?

To register NAICS code 336611 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 336611 (Ship Building and Repairing) to your NAICS code list. You may designate one code as your Primary NAICS code.