Establishments primarily engaged in building and repairing ships, barges, and lighters, whether self-propelled or towed by other craft. This industry also includes the conversion and alteration of ships and the manufacture of off-shore oil and gas well drilling and production platforms (whether or not self-propelled). Establishments primarily engaged in fabricating structural assemblies or components for ships, or subcontractors engaged in ship painting, joinery, carpentry work, and electrical wiring installation, are classified in other industries.
| Barges, building and repairing | Offshore supply boats, building and repairing |
| Cargo vessels, building and repairing | Passenger-cargo vessels, building and repairing |
| Combat ships, building and repairing | Patrol boats, building and repairing |
| Crew boats, building and repairing | Radar towers, floating |
| Dredges, building and repairing | Sailing vessels, commercial: building and repairing |
| Drilling and production platforms, floating, oil and gas | Scows, building and repairing |
| Drydocks, floating | Seiners, building and repairing |
| Ferryboats, building and repairing | Shipbuilding and repairing |
| Fireboats, building and repairing | Submarine tenders, building and repairing |
| Fishing vessels, large: seiners and trawlers-building and repairing | Tankers (ships), building and repairing |
| Hydrofoil vessels | Tenders (ships), building and repairing |
| Landing ships, building and repairing | Towboats, building and repairing |
| Lighters, marine: building and repairing | Transport vessels, passenger and troop: building and repairing |
| Lighthouse tenders, building and repairing | Trawlers, building and repairing |
| Marine rigging | Tugboats, building and repairing |
| Naval ships, building and repairing | |
| Codes |
Titles | Total Marketable US Businesses |
| 37310000 | Shipbuilding and repairing | 699 |
| 37310100 | Commercial cargo ships, building and repairing | 59 |
| 37310101 | Barges, building and repairing | 73 |
| 37310102 | Cargo vessels, building and repairing | 24 |
| 37310103 | Fireboats, building and repairing | 2 |
| 37310104 | Fishing vessels, large: building and repairing | 20 |
| 37310105 | Hydrofoil vessels | 1 |
| 37310106 | Lighters, marine: building and repairing | 19 |
| 37310107 | Lighthouse tenders, building and repairing | 14 |
| 37310108 | Sailing vessels, commercial: building and repairing | 11 |
| 37310109 | Scows, building and repairing | 1 |
| 37310110 | Seiners, building and repairing | 0 |
| 37310111 | Tankers, building and repairing | 13 |
| 37310112 | Tenders, ships: building and repairing | 7 |
| 37310113 | Towboats, building and repairing | 5 |
| 37310114 | Trawlers, building and repairing | 3 |
| 37310115 | Tugboats, building and repairing | 8 |
| 37310200 | Military ships, building and repairing | 33 |
| 37310201 | Combat vessels, building and repairing | 17 |
| 37310202 | Landing ships, building and repairing | 7 |
| 37310203 | Offshore supply boats, building and repairing | 26 |
| 37310204 | Patrol boats, building and repairing | 5 |
| 37310205 | Submarine tenders, building and repairing | 5 |
| 37310206 | Submarines, building and repairing | 31 |
| 37310207 | Transport vessels, troop: building and repairing | 20 |
| 37310300 | Commercial passenger ships, building and repairing | 13 |
| 37310301 | Crew boats, building and repairing | 10 |
| 37310302 | Ferryboats, building and repairing | 7 |
| 37319901 | Dredges, building and repairing | 12 |
| 37319902 | Drilling and production platforms, floating (oil and gas) | 58 |
| 37319903 | Drydocks, floating | 6 |
| 37319904 | Marine rigging | 27 |
| 37319905 | Radar towers, floating | 3 |
| 37319906 | Submersible marine robots, manned or unmanned | 21 |
