NAICS 336611Ship Building and Repairing
Size Standard
1,300 employees
CMMC Level
Level 2–3
Key Agencies
Navy, NAVSEA, Coast Guard, MSC
Overview
Establishments primarily engaged in building and repairing ships, barges, and other large vessels. This code covers one of the largest segments of defense manufacturing, including aircraft carriers, submarines, destroyers, and amphibious assault ships.
Common Contract Types
Contracting Agencies
Frequently Asked Questions
What CMMC level is required for NAICS 336611?
Level 2 minimum for all ship construction and repair. Level 3 for submarine programs, nuclear-powered vessels, and other highly sensitive ship classes where design data is classified.
What is the SBA size standard for NAICS 336611?
The size standard is 1,300 employees.
What major shipbuilding programs use NAICS 336611?
Programs include Virginia-class submarines, Columbia-class ballistic missile submarines, Arleigh Burke-class destroyers, Ford-class aircraft carriers, Constellation-class frigates, and various Coast Guard cutter programs.
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