Industry: 3519—Internal Combustion Engines, Not Elsewhere Classified
Establishments primarily engaged in manufacturing diesel, semi-diesel, or other internal combustion engines, not elsewhere classified, for stationary, marine, traction, and other uses. Establishments primarily engaged in manufacturing aircraft engines are classified in Industry 3724, and those manufacturing automotive engines, except diesel, are classified in Industry 3714.

Diesel and semi-diesel engines for stationary, marine, traction, etcGovernors, diesel engine
Diesel engine partsInternal combustion engines, except aircraft and non-diesel automotive
Engines and engine parts internal combustion military tankMarine engines: diesel, semi-diesel, and other internal combustion
Engines diesel and semi-diesel and dual fuel—except aircraftOutboard motors, except electric
Engines, internal combustion except aircraft and non-dieselSemi-diesel Engines for stationary, marine, traction, or other uses
Gas and diesel engine rebuilding, on a factory basisTank engines and engine parts, internal combustion: military
Codes Titles Number of US Businesses
3519Internal Combustion Engines, Nec926
351900Internal combustion engines, nec384
35190000Internal combustion engines, nec384
351901Diesel, semi-diesel, or duel-fuel engines, including marine292
35190100Diesel, semi-diesel, or duel-fuel engines, including marine71
35190101Diesel engine rebuilding98
35190102Engines, diesel and semi-diesel or dual-fuel55
35190103Marine engines68
351902Parts and accessories, internal combustion engines92
35190200Parts and accessories, internal combustion engines63
35190201Controls, remote, for boats9
35190202Engine starters, pneumatic6
35190203Governors, diesel engine5
35190204Governors, pump, for diesel engines6
35190205Radiators, stationary engine3
351999Internal combustion engines, nec, nec158
35199901Gas engine rebuilding43
35199902Gasoline engines54
35199903Jet propulsion engines23
35199904Outboard motors38