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Marine & Shipbuilding manufacturers

1,051 domestic marine & shipbuilding suppliers across 42 states. Corrosion-resistant components and structures for commercial and defense vessels, where welding qualification, coating integrity, and long-term durability in service govern supplier selection.

The marine and shipbuilding manufacturers USA yards work with deliver heavy fabrication and machining that survive years in a saltwater environment. This directory concentrates US marine suppliers that weld, machine, and fabricate hull sections, propulsion components, and deck hardware, and it strengthens a domestic shipbuilding supply chain anchored by AWS D1.1 welding and ISO 9001 quality systems for commercial and Navy programs.

1,051
Suppliers
42
States covered
29
Set-aside registered

of 50 on this page

23
Federal track record

of 50 hold awards

Standards that matter in marine & shipbuilding

3 to specify
  • AWS D1.1
  • ISO 9001:2015
  • AS9100D

Listings carry the federal set-aside registrations a company filed in SAM, not its quality-system certificates. Ask each shop for the current certificate and its scope before you release a drawing.

Marine & Shipbuilding suppliers

page 1 of 22

Shops with a verified website are listed first, then alphabetically.

1–50 of 1,051

Marine & Shipbuilding capacity by state

42 states

What buyers specify in marine & shipbuilding

3 requirements
  1. 01Structural steel and aluminum fabrication
  2. 02Corrosion-resistant machining and finishing
  3. 03Certified marine and structural welding

Shortlisted a few marine & shipbuilding shops? Send them the same requirements.

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