| A03 | Engineering services |
| A10 | Project management, construction management |
| B08 | Maintenance, spare parts and supplies |
| E01 | Hatches, covers, ports, ramps & platforms |
| F01 | Compressors |
| F02 | Air filters & spark arresters |
| F03 | Air & gas valves |
| F06 | AC units, air dryers, air cooling and heating components |
| F08 | Hoses, drums, packings & fittings |
| F11 | Pneumatic actuators |
| G01 | Hydraulic plants & equipment |
| G04 | Fluid filters |
| G05 | Fluid valves & other armatures |
| G11 | Hydraulic motors & actuators |
| H01 | Tanks |
| H02 | Thermal compensators |
| J01 | Combustion engine |
| J02 | Generators, alternators & dynamos |
| J03 | Aggregates |
| J04 | Gears |
| J05 | Exhaust components & silencers |
| J06 | Vibration absorbers & dampeners |
| J08 | Propellers & impellers |
| J11 | Bearings |
| J12 | Gaskets, packings, liners & sealings |
| J13 | Other engine & propulsion equipment |
| J14 | Brakes, couplings & shafts |
| J | Power generation, propulsion & manouvering |
| K01 | Converters (voltage, frequency), receivers, el. dampers and rectifiers |
| K05 | Switchboards & relays |
| K09 | Electrical motors & starters |
| L01 | Sensors, gauges & detectors |
| L02 | Meters & indicators |
| L05 | Alarm equipment |
| L06 | Regulators & switches |
| L07 | Centrals, consoles & panels |
| L08 | Monitoring equipment |
| L13 | Control & automation systems |